List of caves - AbsoluteAstronomy.com

Algeria

Name	Depth (m)	Length (m)	Geology	Notes
Ain Bird Zaa El Kbira
Anou Achra Lemoun
Anou Boussouil
Anou Ifflis Anou Ifflis The Anou Ifflis cave is a cave located in Tizi Ouzou in the mountains of the kabylia of Annu n Yiffis . It is one of the deepest caves in Africa at .- Notes and references :...
Anou Timedouine
Aven Yebdar
Grotte Des Ain Beni Add
Kef Al Kaous
Rhar El Kahal
Rivière De La Tafna
Tassili n'Ajjer

Cameroon

Name	Depth (m)	Length (m)	Geology	Notes
Grotte Fovu
Grotte de Gaskin
Kouo vu
Grottes de Linté
Grotte de Loung
Gouffre de Mbilibekon
Grotte de Mfouda
Grotte de Musaké
Grottes Ndemvoh
Grotte de Nkolbisson

Democratic Republic of the Congo

Name	Depth (m)	Length (m)	Geology	Notes
Grotte De Ngovo
Grotte De Pitanshi
Matupi Cave

Ethiopia

Name	Depth (m)	Length (m)	Geology	Notes
Achere
Sof Omar Caves Sof Omar Caves At long, Sof Omar Cave is the longest cave in Ethiopia; sources claim it is the longest system of caves in Africa and ranks as the 306th longest in the World. It is situated in the Bale province in southeastern Ethiopia through which the Weyib River flows. It sinks at the Ayiew Maco entrance...

Gabon

Name	Depth (m)	Length (m)	Geology	Notes
Caves of Abanda
Grotte de Bangouéguelé
Grotte de Bongolo
Grotte de Diengui
Grotte de Lébamba
Grottes de Mavoundi
Mbénaltembe cave system
Grotte de Moughambi
Grotte de Munganga/Iduku
Grotte de Ndongou
Grotte de Nguedi Eduma
Grotte de la Sirène
Grotte de Tongo

Kenya

Name	Depth (m)	Length (m)	Geology	Notes
Grotte de Leviathan
Mau Mau Caves

Libya

Name	Depth (m)	Length (m)	Geology	Notes
Ain Zayanah
Bukarma-Habibi
Umm al Masabih
Mogharet el Kantara

Madagascar

Name	Length (m)	Geology	Notes
Ambatoanjahana
Ambatoharanana Ambatoharanana Ambatoharanana is a town and commune in Madagascar. It belongs to the district of Fenerive Est, which is a part of Analanjirofo region. The population of the commune was estimated to be approximately 6,000 in 2001 commune census....	2700	middle Jurassic limestone	Ankarana massif
Ambatomanjahana
Ampandrianpanihy Nord
Andetobe
Andriafiabe	about 8035		Ankarana massif
Anjohiandranobaka
Anjohimilaintety
Anjohin'ny Voamboana
Anjohy Ambalarano
Anjohy Kibojenjy
Antsatrabonko			Ankarana massif
Riviere souterraine de Mananjeba

Morocco

Name	Depth (m)	Length (m)	Geology	Notes
Ifri N'hamed N'taouia
Kef Aziza
Kef Tikhoubaï
Kef Toghobeit
Rhar Chara
Rhar Chiker
Wit Tamdoun
Caves Of Hercules
Friwato cave

Namibia

Name	Depth (m)	Length (m)	Geology	Notes
Arnhem Cave

Somalia

Name	Depth (m)	Length (m)	Geology	Notes
Somaliland Somaliland Somaliland is an unrecognised self-declared sovereign state that is internationally recognised as an autonomous region of Somalia. The government of Somaliland regards itself as the successor state to the British Somaliland protectorate, which was independent for a few days in 1960 as the State of... Laas Gaal

Tanzania

Name	Depth (m)	Length (m)	Geology	Notes
Amboni Caves Amboni Caves The Amboni Caves are the most extensive limestone caves in East Africa. They are located 8 km north of Tanga City in Tanzania off the Tanga-Mombasa road. The caves were formed about 150 million years ago during the Jurassic age. It covers an area of 234 km². According to researchers the area was...
Chief Mkwepa Cave
Grotte de Nduli
Kirijo Cave
Mangapwani Cave
Mchekeni Cave
Mvuleni 1
Mvuleni 2
Nakitara Cave
Namaingo Cave
Nandembo Cave System
Nangoma Cave
Tanga Caves

Tunisia

Name	Depth (m)	Length (m)	Geology	Notes
Rhar Ain Et Tsab

Zimbabwe

Name	Depth (m)	Length (m)	Geology	Notes
Mawenge Mwena Caves of Chimanimani
Chinhoyi Caves Chinhoyi Caves, Zimbabwe The Chinhoyi Caves are a group of caves near the town of Chinhoyi in Zimbabwe. They are situated about 8 km north of Chinhoyi town itself, and 128 km north-west of the capital of Zimbabwe, Harare...
Black Crystal Abyss
Bounding Pot
Jungle Pot

Afghanistan

There are a number of cave systems, tunnels, irrigation tunnels and mine openings in Afghanistan. Listed here are those for which Wikipedia articles exist.>

Name	Depth (m)	Length (m)	Geology	Notes
Tora Bora Tora Bora Tora Bora , known locally as Spīn Ghar , is a cave complex situated in the White Mountains of eastern Afghanistan, in the Pachir Wa Agam District of Nangarhar province, approximately west of the Khyber Pass and north of the border of the Federally Administered Tribal Areas in Pakistan... cave complex
Zhawar Kili Zhawar Kili Zhawar Kili is the site of a suspected Taliban or al Qaeda base that was bombed in 1998 and 2001.Zhawar Kili is in Khost Province suspected to have been an area where al Qaeda fighters regrouped after the bombardment of Tora Bora.... cave complex

Burma

Name	Depth (m)	Length (m)	Geology	Notes
Lawka Hmankin Caves
Kaw Gon Cave , Kayin state
Kayone Gu (Ka-yon or Payon), Farm Cave				Mon state
Padah-Lin Cave
Pindaya Caves Pindaya Caves The Pindaya Caves , located next to the town of Pindaya, Shan State, Burma are a Buddhist pilgrimage site and a tourist attraction located on a limestone ridge in the Myelat region. There are three "caves" on the ridge which runs north-south, but only the southern cave can be entered and explored...
Tilawka Guru Caves

Cambodia

Name	Depth (m)	Length (m)	Geology	Notes
Battambang area
Kampot area
Kratie area

Georgia

Name	Depth (m)	Length (m)	Geology	Notes
Novy Afon Cave
Krubera Cave				The deepest cave in the world
Samra Cave				The 2nd deepest cave in the world, Oct 2011
Snezhnaya Cave

India

Badami Cave Temples
Barabar Caves
Barabar Caves
The Barabar Caves are the oldest surviving rock-cut caves in India, mostly dating from the Mauryan period , and some with Ashokan inscriptions, located in the Jehanabad District of Bihar, India, 24 km north of Gaya....

India's Oldest Rock-cut caves
Bagh Caves
Bagh Caves
The Bagh Caves are a group of nine rock-cut monuments, situated among the southern slopes of the Vindhyas in Kukshi tehsil of Dhar district in Madhya Pradesh state in central India. These monuments are located at a distance of 97 km from Dhar town. These are renowned for mural paintings by...
Belum Caves
Belum Caves
Belum Caves is the second largest cave in Indian subcontinent and the longest caves in plains of Indian Subcontinent, known for its stalactite and stalagmite formations. Belum Caves have long passages, spacious chambers, fresh water galleries and siphons. The caves reach its deepest point at the...
Borra Caves
Borra Caves
The Borra Caves, also called Borra Guhalu in Telugu language , are located on the East Coast of India, in the Ananthagiri hills of the Araku valley of the Visakhapatnam district in Andhra Pradesh...
Elephanta Caves
Elephanta Caves
The Elephanta Caves are a network of sculpted caves located on Elephanta Island, or Gharapuri in Mumbai Harbour, to the east of the city of Mumbai in the Indian state of Maharashtra...

– includes a shiva temple
Ellora Caves
Ellora Caves
Ellora is an archaeological site, from the city of Aurangabad in the Indian state of Maharashtra built by the Rashtrakuta dynasty . Well-known for its monumental caves, Ellora is a World Heritage Site. Ellora represents the epitome of Indian rock-cut architecture. The 34 "caves" – actually...

edaccal caves
Jogeshwari Caves
Jogeshwari Caves
The Jogeshwari Caves are some of the earliest Buddhist cave temples sculptures located in the Mumbai suburb of Jogeshwari, India. The caves date back to 520 to 550 CE. The caves are located off the Western Express Highway, and are surrounded by encroachments. The caves are used as a temple by the...
Kanheri Caves
Kanheri Caves
The Kanheri Caves are a group of rock-cut monuments, located north of Borivali on the western outskirts of Mumbai, India, deep within the green forests of the Sanjay Gandhi National Park. It is 6 km from the National Park Main Gate & 7 km from Borivali Station. Tourists can go in after...
Karla Caves
Karla Caves
The Karla Caves or Karle Caves are a complex of ancient Indian Buddhist rock-cut cave shrines developed over two periods – from the 2nd century BC to the 2nd century AD, and from the 5th century to the 10th century. The oldest of the cave shrines is believed to date back to 160 BC...
Kotumsar Caves in Kanger Ghati National Park
Kanger Ghati National Park
Kanger Ghati National Park is a national park located near the Kholaba River in the district of Bastar, Chhattisgarh , India.The rare mouse deer makes its home in this national park....
Krem Liat Prah
Krem Liat Prah
Krem Liat Prah is the longest natural cave in India.Liat Prah is one of approximately 150 known caves in the Shnongrim Ridge of the Jaintia Hills district in the state of Meghalaya, northeast India...
Mahakali Caves
Mahakali Caves
The Mahakali Caves are a group of 19 rock-cut monuments built between 1st century BCE and 6th century CE....
Mandapeshwar Caves
Mandapeshwar Caves
The Mandapeshwar Caves is an 8th Century rock-cut shrine dedicated to Shiva located near Mount Poinsur in Borivali, a suburb of Mumbai in Maharashtra, India.-Location:...
Pandavleni Caves
Pandavleni Caves
Pandav Leni, , are a group of 24 - 30, 1200-year-old Hinayana Buddhist caves. These were built by various Buddhist kings as homes for the saints. Most of the caves are Viharas except for the 18th cave which is a Chaitya...
Robber's Cave
Robber's Cave
Not to be confused with Robbers Cave State Park in the U.S. state of Oklahoma.Robber's Cave is a river cave formation in Dehradun City, about 8 km from City Centre....
Rock Shelters of Bhimbetka
Varaha Cave Temple
Varaha Cave Temple
Varaha Cave Temple, an example of Indian rock-cut architecture dating from the late 7th century, is a rock-cut cave temple located at Mamallapuram, is a finest testimonial of anciest Vishwakarma Sthapathis, a tiny village south of Chennai in the state of Tamil Nadu, India...

Indonesia

Name	Depth (m)	Length (m)	Geology	Notes
Liang Bua Cave Liang Bua Cave The Liang Bua is a limestone cave on the Island of Flores, in East Nusa Tenggara, Indonesia was the site of the 2003 discovery of a potentially new species of Homo genus, Homo floresiensis, the remains of which are coded LB1, LB2, etc., after the cave...
Maharani Cave Maharani Cave Maharani Cave, is located in Tanjung Kodok sea tourism area, Paciran district Lamongan regency, about 200 m from Tanjung Kodok gateway fringe the roadway to east. About 50 m in the south of the street, there is extent of stone that its soil is tire to form the bank that has downwards...
Gong Cave Gong Cave Gong Cave has stalactite and stalagmites that are considered to be among the most beautiful in South-east Asia. The cave is about 256m deep, and has 5 pools; Rogo Pool, Panguripan Pool, Jiwo Pool, Kamulyan Pool, and Ralung Nisto Pool. They are thought to have magical properties to heal diseases...
Tabuhan Cave
Goa Jepang
Goa Lawah
Kiskenda Cave
Jomblang Cave
Goa Maria
Jatijajar Cave

Iran

Ali Sadr Cave
Ali Sadr Cave
The Ali Sadr Cave originally called Ali Saad or Ali Saard is the world's largest water cave which attracts millions of visitors every year. It is located about 100 kilometers north of Hamedan, western Iran...
Bisitun Cave
Bisitun Cave
Bisitun is a small cave situated in north west of Iran in Zagros Mountains. The cave has been associated with mousterian industry of the Middle Paleolithic period as artefacts from that period have been excavated from the site.-See also:*History of Iran...
Deragon Cave
Deragon Cave
The Deragon Cave is the deepest cave in Khorasan, located in South Khorasan, Iran near Sarayan....
Do-Ashkaft Cave
Do-Ashkaft Cave
The Do-Ashkaft Cave, being the Middle Paleolithic cave site, is located at north of Kermanshah, near Taq-e Bostan. It is located about 1600 metres above the sea level and its entrance faces south, overlooking the national park of Kuhestan. The site was discovered by two Iranian researchers, F....
Eshkaft-e Siahoo
Eshkaft-e Siahoo
Eshkaft-e Siahoo, which means "black cave" in the dialect of the people of the region, is a 10,000-year-old neolithic stone dwelling near Rahmat Mountain in the Marvdasht Plain in the Fars province, Iran. The cave was discovered in June 2006....
Ghar-e-Roodafshan
Ghar-e-Roodafshan
The Ghar-e-Roodafshan cave is located in Roodafshan valley, Tehran Province, Iran.Since 2003 the Verein für Höhlenkunde in Obersteier with the Khaneye Koohnavardan-e-Tehran has been surveying Ghar-e-Roodafshan....
Ghar-e-Pariyan
Ghar-e-Pariyan
Ghar-e-Pariyan is a cave near Isfahan. It is situated at an altitude of 2967 m above sea level. Its entrance measures approximately 1.6 x 1.2 meters. Its coordinates are ""....
Ghar Parau
Ghar Parau
Ghar Parau is a cave in the Zagros Mountains, north of Kermanshah in Western Iran. It is the deepest cave in Iran.-History:A British led caving expedition to the Zagros Mountains in 1971 led to the discovery of the cave. The cave was rapidly explored to a depth of -750m and was left with open passage...
Ghar-e-Bournic
Karaftu
Karaftu
The Cave of Karaftu is situated 64 km from Seqiz . Strategically, this site connects the ancient road from Syria and Iraq, leading through Iran to Afghanistan, i.e. it is on the Silk Road. Throughout history, and yet till today, many caravans have passed through this road, endowing particular...
kalahrod
Kalahrod
Kalahrod cave or Ghar-e-Chah-e-Vazmeh is a cave in Iran, situated in Isfahan Province at an elevation of 1450 meters above sea level. It is 33 kilometers north of the village Kalahrod or approximately 80 kilometers north of Isfahan...
Kotle-khor cave
Kotle-khor cave
Kotle-khor cave is a cave in Iran. It is located 140 km. south west of Zanjan, in the southern skirts of the Saqizloo mountains.The inlet to this cave stands 6–8 m. above a dry river. The beauty of this cave is enhanced due to the formation of stalactites and stalagmites because of calcified...
Ghoori-Ghale Cave
Nakhcheer
Nakhcheer
Nakhcheer or Chal-Nakhjir is a cave and is situated in Markazi Province of Iran. It is a limestone cave approximately 70 million years old. Parts of the cave including its internal lake have been prepared for easy tourist access. It was discovered in 1989 and registered as a national monument in 2001...
Dashkasan
Dashkasan
Dashkasan is a rayon of Azerbaijan. The district was called Dastafur until 1956.The district is located in northwestern Azerbaijan, 33–41 km away from Ganja city and on northeastern edge of Lesser Caucasus rising 1,600-1,800 meters above sea level. The regional capital of the raion is...
Shapur cave
Shapur cave
Shapur cave is located in the Zagros Mountains, in southern Iran, about 6 km from the ancient city of Bishapur. This cave is near Kazerun....
Wezmeh
Wezmeh
Wezmeh Cave is a paleontological and archaeological cave site near Islamabad Gharb, western Iran. The site was discovered by a team of Iranian archaeologists headed by Dr. Kamyar Abdi in 1999. Later the site was excavated in 2001 by the same team....

Israel

Ayalon Cave
Ayalon Cave
The Ayalon Cave is a large underground limestone cave located near Ramla, Israel, discovered in April 2006. The cave, 300 feet deep, with its branch extends almost 2.5 kilometres making it the second largest limestone cave in Israel...
Avshalom Cave
Avshalom Cave
Avshalom Cave , also known as Soreq Cave or Stalactites Cave , is a 5,000 sq m cave on the western side of Mt.Ye'ela, in the Judean hills, in Israel, unique for its dense concentration of stalactites....
Cave of Letters
Cave of Letters
The Cave of Letters is a cave located in the Dead Sea area that contained one of the largest caches of ancient documents and personal correspondence ever discovered in the land of Israel. Discovered in 1960 by Israeli archaeologist Yigael Yadin, the cave contained letters from Bar Kochba, leader...
Cave of the Patriarchs
Cave of the Patriarchs
The Cave of the Patriarchs or the Cave of Machpelah , is known by Muslims as the Sanctuary of Abraham or Ibrahimi Mosque ....

, aka Cave of the Double Tombs and Cave of Machpelah
Hezekiah's Tunnel
Warren's Shaft
Warren's Shaft
Warren's Shaft is an archaeological feature in Jerusalem discovered in 1867 by British engineer Sir Charles Warren . It runs from within the old city to a spot near the Gihon Spring, and after its 19th century discovery was thought to have been the centrepiece of the city's early water supply...
Zedekiah's Cave
Zedekiah's Cave
Zedekiah's Cave – also known as Solomon's Quarries – is a underground meleke limestone quarry that runs the length of five city blocks under the Muslim Quarter of the Old City of Jerusalem...

Japan

Name	Length (m)	Geology
Abukuma-do Abukuma-do Abukuma-do is a limestone cave located in Fukushima Prefecture, Japan. The cave was discovered on August 15, 1969, northeast of the city of Tamura and was originally named Kamayama Shonyu-do . It was designated a natural heritage of the town on February 7, 1971 and renamed Abukuma-do on June 1, 1973... (阿武隈洞)
Akiyoshi-do Akiyoshi plateau is a Quasi-National Park in Yamaguchi Prefecture, Japan. It was founded on 1 November 1955 and has an area of 45.02 km².It includes part of the , a 130 square kilometre area of karst topography, as well as over 400 limestone caves, including Japan’s longest cave, the , which has the additional... (秋芳洞)	8790	fossiliferous Paleozoic reef limestone
Akka-do (安家洞)
Gyokusen-do (玉泉洞)
Irimizu Shonyu-do (入水鍾乳洞)
Kyusen-do (球泉洞)
Ryuga-do (龍河洞)
Ryusen-do (龍泉洞)
Sugawatari-do (氷渡洞)
Uchimagi-do (内間木洞)

Jordan

Name	Depth (m)	Length (m)	Geology	Notes
Al-Daher Cave Bergish

Kazakhstan

Name	Depth (m)	Length (m)	Geology	Notes
Rangkul'skaja Cave
Boj-Boulok

Korea

Name	Geology	Notes
Bilemot Cave	lava tube Lava tube Lava tubes are natural conduits through which lava travels beneath the surface of a lava flow, expelled by a volcano during an eruption. They can be actively draining lava from a source, or can be extinct, meaning the lava flow has ceased and the rock has cooled and left a long, cave-like...
Hwanseon Cave Hwanseon Cave Hwanseon Cave is a cave located in Gangwon province, South Korea. It is one of the largest limestone caves in Asia, and the biggest in Korea, with 6.2 km of known passages and a total suspected length of 8 km, 1.6 km of which are visited by over 1 million people per year...
Manjang Cave	lava tube Lava tube Lava tubes are natural conduits through which lava travels beneath the surface of a lava flow, expelled by a volcano during an eruption. They can be actively draining lava from a source, or can be extinct, meaning the lava flow has ceased and the rock has cooled and left a long, cave-like...
Ryongmun Cavern		North Korea North Korea The Democratic People’s Republic of Korea , , is a country in East Asia, occupying the northern half of the Korean Peninsula. Its capital and largest city is Pyongyang. The Korean Demilitarized Zone serves as the buffer zone between North Korea and South Korea...
Songam Cavern Songam Cavern Songam Cavern is a major tourist venue in North Korea. It consists of 17 well-lit karst caves full of picturesque stone formations including stalactites and stalagmites... in Kaechon Kaechon Kaech'ŏn is a city in South Pyongan Province, North Korea. Kaechon's coordinates are .-Geography:The Myohyangsan, Changansan, Ch'ŏnsŏngsan, and Ch'ŏngryongsan mountain ranges come together in Kaechon. The highest peak is Paekt'apsan. The most important rivers are the Ch'ŏngch'ŏn River and the...		North Korea North Korea The Democratic People’s Republic of Korea , , is a country in East Asia, occupying the northern half of the Korean Peninsula. Its capital and largest city is Pyongyang. The Korean Demilitarized Zone serves as the buffer zone between North Korea and South Korea...

Kyrgyzstan

Name	Depth (m)	Length (m)	Geology	Notes
Great Barite Cave
Ak-Mechet-Aulie

Laos

Name	Depth (m)	Length (m)	Geology	Notes
Pak Ou Caves Pak Ou Caves Near Pak Ou the Tham Ting and the Tham Theung are caves overlooking the Mekong River 25 km from Luang Prabang, Laos. They are a group of caves on the left side of the Mekong river, about two hours upstream from the centre of Luang Prabang, and have become well known by tourists...

Lebanon

Jeita Grotto
Jeita Grotto
The Jeita Grotto In 1958, Lebanese speleologists discovered the upper galleries above the lower cave which have been accommodated with an access tunnel and a series of walkways to enable tourists safe access without disturbing the natural landscape. The upper galleries house the world's largest...
Roueiss Grotto
Qadisha Grotto
Afqa Grotto

Mongolia

Name	Depth	Length	Remarks
Baga Cave		374 metres (1,227 ft)	Located in Zavkhan Province
Chetsuu Tegiin Cave
Chikhen Cave
Dayan-Deerhiin Cave			Located on the western shore of a lake. This cave contains cave paintings.
Ehiin Cave		137 metres (449.5 ft)	Known as "Mother Cave"
Galtai Cave	80 metres (262.5 ft)		Deepest cave in Mongolia
Gurvan Zeerdiin Cave
Hoid Tsenheriin Cave
Hurtsyin Cave
Khoit Tsenkher Cave			This cave contains paintings dated 17,000–22,000 years old.
Ih Cave		159 metres (521.7 ft)
Lovon-chombyn Cave
Seegtiin Cave
Sendertiin Cave
Shar hanan
Taliin Cave			A permit is required to visit this cave.
Tsagaan Cave			The "White Cave", fossils of Cenozoic mammals were found here, as well as artifacts as old as 35,000 years.
Tsagan-Deliin Cave

Nepal

Name	Depth (m)	Length (m)	Geology	Notes
Maratika Cave Maratika Cave Maratika Cave and Maratika Monastery are located in Khotang District in Nepal, circa 185 km south west of Mount Everest...				Also known as Haleshi
Mahendra Gupha		200	Pleistocene lacustine limestone	Pokhara Valley
Oderibuwahn Gupha		80	Pleistocene lacustine limestone	Pokhara Valley
Harpan River Cave	155 feet (47.2 m)	4850 feet (1,478.3 m)	Pleistocene lacustine limestone	Pokhara Valley; the longest cave system in Nepal

Oman

Name	Depth (m)	Length (m)	Geology	Notes
Majlis al Jinn Majlis al Jinn Majlis al Jinn also Majlis al-Jinn , local name: Khoshilat Maqandeli is the ninth largest cave chamber in the world, as measured by the surface area of the floor. It ranks higher when measured by volume...
Al-hoota cave
Jernan cave
Teeq cave
Usama cave

Pakistan

Name	Depth (m)	Length (m)	Geology	Notes
Pir Ghaib Gharr Gharra				Balochistan Balochistan Balochistan or Baluchistan is a region which covers parts of Afghanistan, Iran and Pakistan. It can also refer to one of several modern and historical territories within that region:...
Kach Gharra. (Juniper shaft Cave)				Balochistan
Murghaghull Gharra				Balochistan
Bazar Caves				NWFP

Philippines

Name	Depth (m)	Length (m)	Geology	Notes
Puerto Princesa Subterranean River National Park Puerto Princesa Subterranean River National Park The Puerto Princesa Subterranean River National Park is located about north of the city centre of Puerto Princesa, Palawan, Philippines. The river also called Puerto Princesa Underground River. The national park is located in the Saint Paul Mountain Range on the northern coast of the island. It is...				Palawan Palawan Palawan is an island province of the Philippines located in the MIMAROPA region or Region 4. Its capital is Puerto Princesa City, and it is the largest province in the country in terms of total area of jurisdiction. The islands of Palawan stretch from Mindoro in the northeast to Borneo in the...
Callao Cave Callao Cave Callao Cave is a cave with seven chambers located on the Province of Cagayan, in the Philippines. It is one of the best known tourist attractions of the province... Cagayan Cagayan Cagayan , the "Land of Smiling Beauty", is a province of the Philippines in the Cagayan Valley region in Luzon. Its capital is Tuguegarao City and is located at the northeastern corner of the island of Luzon. Cagayan also includes the Babuyan Islands to the north. The province borders Ilocos Norte...
Hoyop-hoyopan Cave
Tabon Cave Tabon Cave The Tabon Caves are a set of caves north of Quezon municipality, in the south western part of the province of Palawan on Palawan Island, in the Philippines. The caves are named after the Tabon Scrubfowl. Tabon Caves is bordered on the south by the town proper of Quezon, Bgy. Panitian on the west,...				Palawan Palawan Palawan is an island province of the Philippines located in the MIMAROPA region or Region 4. Its capital is Puerto Princesa City, and it is the largest province in the country in terms of total area of jurisdiction. The islands of Palawan stretch from Mindoro in the northeast to Borneo in the...
Suhat Cave
Pilar Caves				Capiz Capiz Capiz is a province of the Philippines located in the Western Visayas region. Its capital is Roxas City and is located at the northeastern portion of Panay Island, bordering Aklan and Antique to the west, and Iloilo to the south. Capiz faces the Sibuyan Sea to the north...
Sumaging Cave				Sagada, Mountain Province Mountain Province Mountain Province is a landlocked province of the Philippines in the Cordillera Administrative Region in Luzon. Its capital is Bontoc and borders, clockwise from the south, Ifugao, Benguet, Ilocos Sur, Abra, Kalinga, and Isabela.Mountain Province is sometimes incorrectly named Mountain in some...
Latipan Cave				Sagada, Mountain Province Mountain Province Mountain Province is a landlocked province of the Philippines in the Cordillera Administrative Region in Luzon. Its capital is Bontoc and borders, clockwise from the south, Ifugao, Benguet, Ilocos Sur, Abra, Kalinga, and Isabela.Mountain Province is sometimes incorrectly named Mountain in some...
Lumiang Cave				Sagada, Mountain Province Mountain Province Mountain Province is a landlocked province of the Philippines in the Cordillera Administrative Region in Luzon. Its capital is Bontoc and borders, clockwise from the south, Ifugao, Benguet, Ilocos Sur, Abra, Kalinga, and Isabela.Mountain Province is sometimes incorrectly named Mountain in some...
Matangkib Cave				Sagada, Mountain Province Mountain Province Mountain Province is a landlocked province of the Philippines in the Cordillera Administrative Region in Luzon. Its capital is Bontoc and borders, clockwise from the south, Ifugao, Benguet, Ilocos Sur, Abra, Kalinga, and Isabela.Mountain Province is sometimes incorrectly named Mountain in some...
Bengaoangao Cave				Benguet Benguet Benguet is a landlocked province of the Philippines in the Cordillera Administrative Region in Luzon. Its capital is La Trinidad and borders, clockwise from the south, Pangasinan, La Union, Ilocos Sur, Mountain Province, Ifugao, and Nueva Vizcaya....
Hinagdanan Cave Hinagdanan Cave Hinagdanan Cave is a cave on Panglao Island, in Bohol Province, in the Philippines. It is a naturally lighted cavern with a deep lagoon and many large stalactites and stalagmites.The cave is lit by sunlight which filters through holes in the ceiling...				Bohol Province
Huluga Caves Huluga Caves Huluga Caves is a prehistoric site in the Philippines. It is located in the south end of Cagayan de Oro City, about eight kilometers away. Composed of the two main caverns, it is situated on the eastern side of Cagayan de Oro River, along the brow of a vertical limestone cliff. The skeletal...
Macahambus Cave Macahambus Cave Macahambus Cave is a scenic cave in the Misamis Oriental province, near Cagayan de Oro, in the Philippines. The area of the cave is part of the tropical Macahambus Forest nature reserve....				Cagayan de Oro
Initao Caves				Initao, Misamis Oriental Initao, Misamis Oriental Initao is a third-class municipality in the province of Misamis Oriental, Philippines. Initao is seated about 39 km west of province capital Cagayan De Oro City, 29.5 km east of Iligan City and about 767 km south-south-east of Philippine main capital Manila...
Cacupangan Cave System				Brgy. Tagudin, Mabini, Pangasinan Mabini, Pangasinan Mabini is a 4th class municipality in the province of Pangasinan, Philippines. According to the latest census, it has a population of 23,338 people in 4,774 households.-Barangays:Mabini is politically subdivided into 16 barangays. In 1954,...
Sto. Rosario Cave System				Brgy. San Pedro, Mabini, Pangasinan Mabini, Pangasinan Mabini is a 4th class municipality in the province of Pangasinan, Philippines. According to the latest census, it has a population of 23,338 people in 4,774 households.-Barangays:Mabini is politically subdivided into 16 barangays. In 1954,...

Russia

Name	Depth (m)	Length (m)	Notes
Denisova Cave Denisova Cave Denisova Cave is a cave in the Bashelaksky Range of the Altai mountains, Siberia, Russia. The cave is of paleoarchaeological and paleontological interest. Bone fragments of the Denisova hominin, sometime called the "X-woman" originate from the cave, including artifacts dated to ~40,000 Before...
Sugomak Cave Sugomak Cave Sugomak Cave is located in Ural, on the east slope of the Sugomak Mountain near the town of Kyshtym. The Sugomak Cave is the only cavity in Ural developed in marble by water. It is the main local sight and represents a cavity consisting of three grottos which are connected by narrow passages...
Kungur Ice Cave Kungur Ice Cave Kungur Ice Cave is a karst cave located in the Urals, near the town Kungur in Perm Krai, Russia, on the right bank of the Sylva River. The cave is famous for its ice formations and is a popular tourist landmark.- History & Archaeology :...	32 metres (105 ft)	1800 metres (5,905.5 ft)	Urals Federal District Urals Federal District Ural Federal District is one of the eight federal districts of Russia. The district was established on 13 May 2000 by a decree of the President of Russia. The district is mostly located in the geographical region of Ural, but also includes some parts of the Volga Region; its extent is different...
Ignateva Cave
Syukeyevo Caves Syukeyevo Caves Syukeyevo Caves were a group of caves in what is today Kamsko-Ustyinski District, Tatarstan, Russia. Located near the village of Syukeyevo until the 1958, they were destroyed by an eruption of the banks of the newly filled Kuybyshev Reservoir....

Saudi Arabia

Name	Depth (m)	Length (m)	Geology	Notes
Ain Hit
Dahl Abu al-Ho
Dahl B-7
Dahl Shawyah
Dahl Sultan
Dharb Al Najem
Gecko Gave
Jabal Al Qarah
Kiranjot Cave
Mossy Cave
Surprise Cave Surprise cave The 450 metre long Surprise cave is on the right side of the Dangi Canyon in Aravan, Kyrgyzstan. A small round opening in the wall of the canyon leads to an underground gallery decorated with crystals and stalactites.-References:*...
Umm Jirsan
UPM Cave

Sri Lanka

Name	Depth (m)	Length (m)	Geology	Notes
Batatotalena Cave
Fa Hien Cave Fa Hien Cave Fa Hien Cave is a cave in the district of Kalutara, Western Province, Sri Lanka, named after the Buddhist monk Faxian . The cave is important for the Late Pleistocene human skeletal remains discovered there in the 1960s and 1980s....

Tajikistan

Name	Depth (m)	Length (m)	Geology	Notes
Fiery Caves

Thailand

Name	Depth (m)	Length (m)	Geology	Notes
Tham Hua Kalok Tham Hua Kalok Tham Hua Kalok is a cave in Ao Luek district near Phangnga Bay in southern Thailand. The cave contains prehistoric paintings in black and red pigment of humans and strange animals. The cave is within the Than Bok Khorani National Park.-References:...
Tham Lot Tham Lot Tham Lot is a tambon, village and a cave system near Soppong, Pang Mapha district, Mae Hong Son Province, northern Thailand. The Nam Lang River flows through the cave which is filled with stalactites and stalagmites. The cave is also home to large numbers of bats and swifts...

Turkmenistan

Name	Depth (m)	Length (m)	Geology	Notes
Bakharden Cave
Kap-Kutan
Koytendag Caves

Tuvalu

Name	Depth (m)	Length (m)	Geology	Notes
Caves of Nanumanga Caves of Nanumanga Caves of Nanumanga is underwater cave off the northern shore of Nanumanga, Tuvalu in western Polynesia. Discovered by two scuba divers in 1986.Cave is located - below the sea level, down the wall of a coral cliff...

Uzbekistan

Name	Depth (m)	Length (m)	Geology	Notes
Peshagar
Boi-Bulok
Dark Star
Festival'naya
Kievskaya
KT-16
Ledopadnaya
Ural'skaya
Zaidmana
Kugitang

Vietnam

Name	Depth (m)	Length (m)	Geology	Notes
Son Doong Cave Son Doong Cave Son Doong cave is a cave in Phong Nha-Ke Bang National Park, Bo Trach District, Quang Binh Province, Vietnam. The cave is located near the Laos-Vietnam border . It has a large fast-flowing underground river inside.The cave was found by a local man named Hồ-Khanh in 1991...
Tam Cốc-Bích Động (Ninh Bình Ninh Bình Ninh Bình is a city in the Red River Delta of northern Vietnam. It is the capital of Ninh Binh province.-Geography:Ninh Binh city located in the southernmost plains north Vietnam... province)				Phong Nha-Ke Bang Phong Nha-Ke Bang Phong Nha - Ke Bang is a national park and UNESCO World Heritage Site in the Bố Trạch and Minh Hóa districts of central Quang Binh Province, in north-central Vietnam, about 500 km south of the nation's capital, Hanoi. The park borders the Hin Namno Nature Reserve in the province of Khammouan,... , national park, world natural heritage, typical ancient tropical karst KARST Kilometer-square Area Radio Synthesis Telescope is a Chinese telescope project to which FAST is a forerunner. KARST is a set of large spherical reflectors on karst landforms, which are bowlshaped limestone sinkholes named after the Kras region in Slovenia and Northern Italy. It will consist of... site.
Dau Go cave abd Sung Sot cave				Ha Long Bay
Cat Ba Island Cat Ba Island Cat Ba is the largest of the 366 islands spanning 260km2 that comprise the Cat Ba Archipelago, which makes up the southeastern edge of Ha Long Bay in Northern Vietnam. Cat Ba island has a surface area of 285 km2 and maintains the dramatic and rugged features of Ha Long Bay... cave system				Quang Ninh province Quang Ninh Province Quảng Ninh is a large province located along the northeastern coast of Vietnam. The province is home to Ha Long Bay, a World Heritage Site. The provincial capital is Ha Long. Nearly 80 per cent of the province is mountainous with abundant land, forest water and mineral resources. Nearly 90 per...
Ngu Hanh Son Marble Mountains (Vietnam) Marble Mountains is a cluster of five marble and limestone hills located in Ngu Hanh Son ward, south of Da Nang city in Vietnam. The five 'mountains' are named after the five elements; Kim , Thuy , Moc , Hoa and Tho ....				Da Nang Da Nang Đà Nẵng , occasionally Danang, is a major port city in the South Central Coast of Vietnam, on the coast of the South China Sea at the mouth of the Han River. It is the commercial and educational center of Central Vietnam; its well-sheltered, easily accessible port and its location on the path of... city
Hương Tích				Hà Tây province
Tam Thanh				Lạng Sơn Lang Son Lạng Sơn , sometimes Langson, is a city in far northern Vietnam, is the capital of Lang Son province. It is accessible by road and rail from Hanoi, the Vietnamese capital, and it is the northernmost point on National Road 1A.-History:... province

Albania

Name	Depth (m)	Length (m)	Geology	Notes
Shpella e Piratëve, Pirates cave

Austria

Alland Dripstone Cave
Dachstein Mammoth Cave
Dachstein Rieseneis Cave
Dreidärrischen Cave
DÖF Sonnleiter Cave System
Eisenstein Cave
Eisriesenwelt
Eisriesenwelt
The Eisriesenwelt is a natural limestone ice cave located in Werfen, Austria, about 40 km south of Salzburg. The cave is inside the Hochkogel mountain in the Tennengebirge section of the Alps...

largest ice cave in the world
Entrische Kirche
Frauenmauer Cave
Gassel Cave
Grassl Cave
Griffener Dripstone Cave
Grubstein Westwand Cave
Gudenus Cave
Hirlatz Cave
Hüttstatt Cave
Katerloch
Kolkbläser Monster Cave System
Koppenbrüller Cave
Lamprechtsofen
Loferer Shaft
Lurgrotte
Nix Cave
Obir Dripstone Cave
Ötscher Dripstone Cave
Prax Ice Cave
Ramesch Bone Cave
Rettenwand Dripstone Cave
Scheukofen
Schneckenloch Cave
Schönberg Cave System longest cave in Austria and the European Union
European Union
The European Union is an economic and political union of 27 independent member states which are located primarily in Europe. The EU traces its origins from the European Coal and Steel Community and the European Economic Community , formed by six countries in 1958...
Schwarzmooskogel Cave System
Seegrotte (Hinterbrühl)
Spannagel Cave
Spannagel Cave
The Spannagel Cave is a show cave near Hintertux, in the Zillertal Alps in the Austrian state of Tyrol. Currently about 10 kilometres of cave have been discovered; guided tours enable access to 500 metres of the cave. Its entrance lies below the Spannagelhaus , a mountain hut run by the Austrian...
Steinbrücken Cave
Südwand Cave
Tantal Cave
Tischofer Cave
Tischofer Cave
The Tischofer Cave is a cave in the Kaisertal valley in the Kaisergebirge mountains in Austria. It was important locally as a gathering place and weapons cache for local rebels during the Napoleonic Wars....
Traungold Cave
Trübbach Cave

Belgium

Caves of Han-sur-Lesse
Caves of Han-sur-Lesse
The Caves of Han-sur-Lesse are a major Belgian tourist attraction located on the outskirts of the village of Han-sur-Lesse....
Caves of Hotton
Caves of Hotton
The Caves of Hotton are speleothem caves near Hotton in Belgium, which were discovered in 1958 and are around 5 or 6 km long and 70 metres deep. A stream called Syphon runs at the bottom of the caves.-External links:*...
Grotte de Spy
Grotte de Spy
The Grotte de Spy is located near Spy in the municipality of Jemeppe-sur-Sambre, province of Namur, Belgium. It has been classified as Wallonia's Major Heritage by the Walloon Region....
Les Merveilleux
Naulette
Naulette
Naulette is a large cavern on the left bank of the Lesse, which joins the Meuse above Dinant, Belgium.Here in 1866 Édouard Dupont discovered an imperfect human lower jaw, now in the Brussels Natural History Museum...

Bosnia and Herzegovina

Name	Depth (m)	Length (m)	Geology	Notes
Badanj Cave Badanj Cave Badanj Cave is a cave near the town of Stolac, Bosnia and Herzegovina. It is famous for its cave paintings dating between 12,000 - 16,000 BCE.-References:...
Vjetrenica Vjetrenica Vjetrenica is the largest and most important cave in Bosnia and Herzegovina, and one of the most interesting caves in the Dinaric Alps mountain range, which is famous worldwide for its karstic and speleological riches. Its entrance it not far from the village of Zavala in southern Herzegovina...

Bulgaria

Bacho Kiro Cave
Bacho Kiro cave
The Bacho Kiro cave is situated 5 km west of the town Dryanovo, Bulgaria, only 300 m away from the Dryanovo Monastery. It is embedded in the exquisit canyons of the Andaka and Dryanovo River. The first tourists entered the cave in 1938, two years before it was actually called the Bacho Kiro cave...
Ledenika
Ledenika
Ledenika is a cave in the Northwestern parts of the Balkan Mountains, 16km away from the Bulgarian town of Vratsa, its entrance being at 830m above sea level. It features an abundance of galleries and impressive karst formations including stalactites and stalagmites, dating back a thousand years....
Snezhanka Cave
Uhlovitsa
Uhlovitsa
Uhlovitsa is the name of a cave in the Blue Pools Area in the Smolyan Province of the Rhodope Mountains, southern Bulgaria. The cave is close to the Mogilitsa village and 37 and 47 km away from Pamporovo and Chepelare respectively...
Duhlata
Temnata Dupka
Magura Cave
Magura Cave
The Magura Cave is among Bulgaria's most famous and beautiful caves. It is located in north-western Bulgaria close to the village of Rabisha, at 18 km from the town of Belogradchik in the Vidin Province. The total length of the Magura cave is 2,5 km...
Devetashka Cave
Orlova Chuka
Yagodinska Cave (Imamova Dupka)
Raychova Dupka
Dyavolsko Garlo

Croatia

Velebit caves
Velebit caves
The Velebit mountain of Croatia has several deep caves with some of the world's largest subterranean vertical drops."Lukina jama" cave is 1392 m deep , the deepest cave in Croatia and the deepest in southeast Europe...
Caves of Barać
Biserujka
Biserujka
Biserujka is a cave located 6 km northeast of Dobrinj, in the village of Rudine, above Slivanjska Bay, in the island of Krk, Croatia.An undistinguished stone house in the middle of a bare karst landscape hides the entrance to a cave 12 m under the surface...

Czech Republic

Name	Depth (m)	Length (m)	Geology	Notes
Amatérská jeskyně				Largest cave in the Moravian Karst Moravian Karst The Moravian Karst is a karst landscape and protected nature reserve to the north of Brno in the eastern part of the Czech Republic, located near the town of Blansko. It encompasses a number of notable geological features, including roughly 1100 caverns and gorges and covers an area of roughly 92...
Býčí skála – Rudické propadání
Kateřinská jeskyně
Klácelka Klácelka Klácelka is a man-made cave in a forest near Liběchov, Czech Republic. It is known for its complex of sculptural works made by sculptor Václav Levý. The name of the cave and the sculptures commemorate František Klácel , a theologian and philosopher. It was created during the 1840s.At the time of...
Koněprusy Caves Koneprusy Caves Koněprusy Caves is a cave system in the heart of the limestone region known as Bohemian Karst, Czech Republic. It is located southwest of Prague, 6 km south of Beroun in the Central Bohemian Region. The name derives from nearby village of Koněprusy... (Koněpruské jeskyně)
Macocha Gorge Macocha Gorge The Macocha Abyss , also known as the Macocha Gorge, is a sinkhole in the Moravian Karst cave system of the Czech Republic located north of the city of Brno, near the town of Blansko... (Propast Macocha)
Punkevní jeskyně
Sloupsko-šošůvské jeskyně

Denmark

Name	Depth (m)	Length (m)	Geology	Notes
Våde Ovn (Wet Oven)				Bornholm Bornholm Bornholm is a Danish island in the Baltic Sea located to the east of the rest of Denmark, the south of Sweden, and the north of Poland. The main industries on the island include fishing, arts and crafts like glass making and pottery using locally worked clay, and dairy farming. Tourism is...
Sorte Ovn (Black Oven)				Bornholm Bornholm Bornholm is a Danish island in the Baltic Sea located to the east of the rest of Denmark, the south of Sweden, and the north of Poland. The main industries on the island include fishing, arts and crafts like glass making and pottery using locally worked clay, and dairy farming. Tourism is...
Sorte Gryde (Black Pot)				Bornholm Bornholm Bornholm is a Danish island in the Baltic Sea located to the east of the rest of Denmark, the south of Sweden, and the north of Poland. The main industries on the island include fishing, arts and crafts like glass making and pottery using locally worked clay, and dairy farming. Tourism is...
Mønsted Limestone Caves				Jutland Jutland Jutland , historically also called Cimbria, is the name of the peninsula that juts out in Northern Europe toward the rest of Scandinavia, forming the mainland part of Denmark. It has the North Sea to its west, Kattegat and Skagerrak to its north, the Baltic Sea to its east, and the Danish–German...

Estonia

Name	Depth (m)	Length (m)	Geology	Notes
Piusa Liivakoopad (Piusa Sand Caves)

Finland

Name	Depth (m)	Length (m)	Geology	Notes
Wolf Cave Wolf Cave Wolf Cave is a crack in the Pyhävuori mountain in Kristinestad , near the Karijoki municipality in Finland. The upper part of the crack has been packed with soil, forming a cave. In 1996, some objects were found in the cave that brought about speculations that it could have been inhabited in the...

France

Chauvet Cave
Chauvet Cave
The Chauvet-Pont-d'Arc Cave is a cave in the Ardèche department of southern France that contains the earliest known cave paintings, as well as other evidence of Upper Paleolithic life. It is located near the commune of Vallon-Pont-d'Arc on a limestone cliff above the former bed of the Ardèche River...
Font-de-Gaume
Gouffre Berger
Gouffre Berger
The Gouffre Berger is a French cave discovered on 24 May 1953, by Joseph Berger, Bouvet, Ruiz de Arcaute and Marc Jouffray. From 1953 to 1963, it was regarded as the deepest cave in the world at , relinquishing this title to the previous contender, Pierre Saint Martin in 1964, after further...

, the first cave explored to more than 1000m depth
Gouffre Geante de Cabrespine, 'over 1,600,000 m3'.
Grotte des Demoiselles
Grotte des Demoiselles
The Grotte des Demoiselles is a large cave located in the Hérault valley of southern France, near Ganges, about 60 km west of Nîmes. Its entrance is located on the territory of the commune of Saint-Bauzille-de-Putois.-History:...

, a popular regional tourist attraction in southern France
Jean Bernard System
La Mansonnière cave
La Mansonnière cave
La Mansonnière cave is a chalk cave in northern France. It was discovered in 1977.-Discovery:La Mansonnière cave was discovered by the Speleo Club du Rond Point de L'Aigle in 1977...
Lascaux Cave
Lascaux
Lascaux is the setting of a complex of caves in southwestern France famous for its Paleolithic cave paintings. The original caves are located near the village of Montignac, in the department of Dordogne. They contain some of the best-known Upper Paleolithic art. These paintings are estimated to be...
Mas d'Azil Cave
Mirolda Cave
Niaux Cave
Cave of Niaux
The Cave of Niaux is located in Niaux in the Ariège département of south-western France. Like Lascaux it contains many prehistoric paintings of superior quality, in the case of Niaux from the Magdalenian period....
Orgnac Cave
Padirac Cave
Padirac Cave
The Padirac Chasm or Gouffre de Padirac is a cave located near Gramat, in the Lot département, in France.-Features:The chasm itself is approximately around its rim with a diameter of approximately . Visitors descend 75 m via a lift or a staircase before entering the cave system...
Pierre-Saint-Martin System
Aven-Grotte de la Forestière (Ardèche
Ardèche
Ardèche is a department in south-central France named after the Ardèche River.- History :The area has been inhabited by humans at least since the Upper Paleolithic, as attested by the famous cave paintings at Chauvet Pont d'Arc. The plateau of the Ardeche River has extensive standing stones ,...

)
Aven Armand
Aven Armand
Aven Armand is a cave located in the Cévennes National Park, in the Lozère département, between Meyrueis and Sainte-Enimie.Discovered in 1897 and open to the public since 1927, it is one of the most visited places in that area....

Germany

Altenstein Cave
Atta Cave
Atta Cave
The Atta Cave or Attendorn Dripstone Cave in Attendorn is one of the largest and most beautiful dripstone caves in Germany....
Aufberger Loch
Balve Cave
Bärenhöle
Bear Cave in Sonnenbühl
Sonnenbühl
Sonnenbühl is a municipality in the district of Reutlingen, state of Baden-Württemberg, Germany....
Baumann's Cave
Baumann's Cave
Baumann's Cave is, like nearby Hermann's Cave, a show cave in Rübeland in the district of Harz and is Germany's oldest show cave.The grotto was formed in the Devonian limestone of the Elbingerode complex as the Bode Valley was being shaped. It was discovered in the 16th century and was...
Bauerloch
Bernhard's Cave
Bilstein Cave
Bing Cave
Blautopf
Blautopf
The Blautopf is a spring that serves as the source of the river Blau in the karst landscape on the Swabian Alb's southern edge, in Southern Germany. It is located in the city of Blaubeuren, approximately west of Ulm...
Bockstein Cave
Bocksteinschmiede
Brunnensteig Cave
Brunnenstein Cave
Charlotte's Cave
Dampfloch
Dechen Cave
Devil's Cave (near Pottenstein)
Devil's Cave (near Steinau)
Devil's Kitchen (Gültigshofen)
Dohlen Cave
Dragon Cave, Syrau
Dreieingang's Cave
Eberstadt Dripstone Cave
Eichbergschacht
The Ei's Caves near Birresborn
Birresborn
Birresborn is an Ortsgemeinde – a municipality belonging to a Verbandsgemeinde, a kind of collective municipality – in the Vulkaneifel district in Rhineland-Palatinate, Germany...
Elsachbröller
Erdmann's Cave
Falkenstein Cave
Finsterloch
Fuchsloch
Große Scheuer
Gußmann's Cave
Gutenberg Cave
Haus
Heimenstein Cave
Heimkehle
Heimkehle
The Heimkehle is one of two great gypsum caves in Germany that are accessible as show caves. It lies on the southern edge of the Harz Mountains between Rottleberode and Uftrungen, east of Nordhausen, right on the state border between Thuringia and Saxony-Anhalt...
Heinrich's Cave
Hermann's Cave
Hermann's Cave
Hermann's Cave , together with Baumann's Cave, is one of two show caves in Rübeland near Wernigerode, Germany.The cave was formeed out of the Devonian limestone of the Elbingerode complex during the shaping of the Bode Valley...
Himmelsfelsenschacht
Cave in the Hölle
Hohler Fels
Hohler Fels
Hohler Stein
Hohler Stein
Hölloch
Höllsternbröller
Hölzlesloch
Iberg Dripstone Cave
Iberg Dripstone Cave
The Iberg Dripstone Cave is located in southern Lower Saxony near Bad Grund on the western edge of the Harz mountains in the 563 metre high Iberg mountain at a height of 440 metre above sea level in the chalk of a upper Devonian atoll reef. The actual dripstone cave is 123 metres...
Kaku's Cave
Karl's Cave
Kleine Scheuer
Kleine Scheuer
Klutert Cave
Kolbingen Cave
King Otto Dripstone Cave
Kubach Crystal Cave
Kübel Cave
Laichingen Vertical Cave
Maximilian's Grotto
Mordloch Cave
Nebel Cave
Niederaltdorfer Tuff Cave
Ofnet Caves
Olga Cave
Easter Cave
Easter Cave
The Easter Cave is a small cave in the vicinity of Trondorf in Germany. The cave is 185 metres long and may be visited during the summer months. It was first mentioned in the records around 1630. The present entrance was artificially created in 1905 in order to open it as a show cave for visitors...
Pliksburg Grottoes
Rainloch
Recken Cave
Reinsberger Bröller
Schellenberger Ei's Cave
Schertel's Cave
Schillat Cave
Schiller Cave
The Schlossberg Caves
Schreiber Cave
Schulerloch
Segeberg Cave
Sontheim Cave
Sophie's Cave
Stadel
Steinernes Haus
Stöckelberg Cave
Studerbildschacht
Sturmann's Cave
Thebe's Cave
Todsburg Cave
Todsburg Shaft
Tschamber Cave
Unicorn Cave
Unicorn Cave
The Unicorn Cave is the largest show cave in the West Harz, about 1½ kilometres northwest of Scharzfeld in the borough of Herzberg am Harz in central Germany. It is a karst cave set in Zechstein dolomite rock.- History :...
Vetter Cave
Vogelherd Cave
Wendelstein Cave
Wiehle Dripstone Cave
Wimsen Cave
Ziegel Cave
Zwiefaltendorf Dripstone Cave

Gibraltar

Name	Depth (m)	Length (m)	Geology	Notes
St. Michael's Cave St. Michael's Cave St Michael's Cave is the name given to a network of limestone caves located in the Upper Rock Nature Reserve of Gibraltar, at a height of over 300 metres above sea level...
Gorham's Cave Gorham's Cave Gorham's Cave is a natural sea cave in Gibraltar, considered to be one of the last known habitations of the Neanderthals. It is located on the south east face of the Rock of Gibraltar...

Greece

Cave Lakes, SE of Kalavryta
Kalavryta
Kalavryta is a town and a municipality in the eastcentral part of the peripheral unit of Achaea, Greece. It is the southern terminus of the Kalavryta - Diakopto Road and the eastern terminus of the Patras - Kalavryta Road. It is located approx...
Corycian Cave
Corycian Cave
The Corycian Cave is located on the slopes of Mount Parnassus, in Greece. In the mythology of the area, it is named after the nymph Corycia; however, its name etymologically derives from korykos, "knapsack". A modern name for the cave in some references is Sarantavli, meaning "forty rooms"...
Dirou Cave, Mani Peninsula
Mani Peninsula
The Mani Peninsula , also long known as Maina or Maïna, is a geographical and cultural region in Greece. Mani is the central peninsula of the three which extend southwards from the Peloponnese in southern Greece. To the east is the Laconian Gulf, to the west the Messenian Gulf...
Melissos Cave, Kefallinia
Blue Cave, Kastellórizo

Hungary

Name	Geology	Notes
Baradla-Domica Cave System		Aggtelek Karst Aggtelek Karst Aggtelek Karst is a karst area in northern Hungary.The area is especially well known for its abundance of caves, which were recorded together with those in neighboring Slovakia in 1995 to the list of World Heritage Site under the name of the Caves of Aggtelek Karst and Slovak Karst.The Aggtelek... , Longest in Hungary: 25 km
Béke Cave		Aggtelek Karst
Béke Cave		Aggtelek Karst
Kossuth Cave		Aggtelek Karst
Meteor Cave		Aggtelek Karst
Rákóczi Cave, Bódvavárkó		Aggtelek Karst
Szabadság Cave		Aggtelek Karst
Vass Imre Cave		Aggtelek Karst
Vecsembükk Pothole, Aggtelek Karst		Aggtelek Karst, 2nd deepest in Hungary: -240 meters
Alba Regia Cave		Bakony Bakony Bakony is a mountainous region in Transdanubia, Hungary. It forms the largest part of the Transdanubian Mountains. It is located north of Lake Balaton and lies almost entirely in Veszprém county.... , northern part
Csengő Pothole		Bakony, northern part
Tapolca Lake Cave		Bakony, southern part – Balaton Highlands and Tapolcai Cove
Anna Cave Anna Cave The Anna Cave is a natural limestone cave in Miskolc-Lillafüred, Hungary, near the waterfall.The cave was discovered in 1833, when opening a shaft in the limestone in order to provide the iron furnace at Hámor with water. It soon became a tourist attraction, even Sándor Petőfi visited it in 1847... , Lillafüred Lillafüred Lillafüred is a town in Borsod-Abaúj-Zemplén county, Hungary. Officially it is a part of Miskolc, actually it is almost 12 kilometres away from the city, in the Bükk Mountains...		Bükk Bükk The Bükk Mountains are a section of the North Hungarian Mountains of the Inner Western Carpathians. Much of the area is included in the Bükk National Park.-Geography:...
Bolhás-Jávorkút Cave System		Bükk
Cave Bath Cave Bath The Cave Bath is a thermal bath in a natural cave in Miskolctapolca, which is part of the city of Miskolc, Hungary, and is unique in Europe.The thermal water is reputed to cure pain in the joints, and since it has lower salt content than most thermal waters , people can bathe in it for much...		Bükk, Miskolctapolca Miskolctapolca Miskolctapolca or Miskolc-Tapolca is a suburb of Miskolc, and is one of the most popular tourist towns of Hungary. Not to be confused with Tapolca town in Veszprém County.-History:The area has been inhabited since ancient times...
Diabáz Cave		Bükk
Fekete Cave		Bükk
Hajnóczy Cave		Bükk
Istállós-kő Cave		Bükk
István Cave István Cave The István Cave is a dripstone cave in Miskolc-Lillafüred, Northern Hungary.The cave was formed in the Triassic period and is about 710 m long. It was discovered in 1913. According to local legend, a dog fell into a 15 meter deep shaft, which was the cave's only natural opening. People found the... , Lillafüred Lillafüred Lillafüred is a town in Borsod-Abaúj-Zemplén county, Hungary. Officially it is a part of Miskolc, actually it is almost 12 kilometres away from the city, in the Bükk Mountains...		Bükk
István-lápa Cave		Bükk (Deepest in Hungary: -248 meters)
Jáspis Cave		Bükk
Jubileum Pothole		Bakony
Kis-Kőhát Pothole		Bükk
Létrás Ponor Cave		Bükk
Szeleta Cave		Bükk
Szepesi-Láhner Cave System		Bükk
Ferenc-hegyi Cave, Budapest		Buda Hills Buda hills The Buda Hills are a low mountain range of numerous hills which dot the Buda side of Budapest, capital of Hungary. They include Gellérthegy, Várhegy , Svábhegy, Jánoshegy, Széchenyihegy, Martonhegy and Sashegy. Most of these hills consist of nature or residential areas....
József-hegyi Cave, Budapest		Buda Hills
Molnár János Cave, Budapest	thermal cave	Buda Hills
Pálvölgyi−Mátyáshegyi Cave System, Budapest		Buda Hills, 2nd longest in Hungary: 19 km
Szemlő-hegyi Cave, Budapest		Buda Hills
Cserszegtomaji Well Cave		Keszthely Mountains
Csodabogyós Cave		Keszthely Mountains
Abaliget Cave		Mecsek Mecsek Mecsek is a mountain range in southern Hungary. It is situated in the Baranya region, in the north of the city of Pécs.-Geography:The mountains cover an area of approximately 500 km². The highest peak in the mountain range is Zengő , which has an elevation of 682 metres...

Iceland

Name	Geology	Notes
Arnarseturshellar		(Arnarseturshellir, Hvalur, Kubburinn, Hnappurinn and Hestshellir) Arnarseturshraun in Reykjanesskagi
Baðstofuhellir		at Hellnar Hellnar Hellnar is an ancient fishing village, a cluster of old houses and buildings situated close to Arnarstapi on the westernmost part of the Snæfellsnes peninsula, Iceland....
Bóðólfshellir		Búðahraun on Snæfellsnes Snæfellsnes The Snæfellsnes is a peninsula situated to the west of Borgarfjörður, in western of Iceland.It has been named Iceland in Miniature, as many national sights can be found in the area, including the Snæfellsjökull volcano, regarded as one of the symbols of Iceland. With its height of 1446 m, it...
Búðahellir		Búðahraun on Snæfellsnes Snæfellsnes The Snæfellsnes is a peninsula situated to the west of Borgarfjörður, in western of Iceland.It has been named Iceland in Miniature, as many national sights can be found in the area, including the Snæfellsjökull volcano, regarded as one of the symbols of Iceland. With its height of 1446 m, it...
Vatnshellir Purkhólahraun		on Snæfellsnes Snæfellsnes The Snæfellsnes is a peninsula situated to the west of Borgarfjörður, in western of Iceland.It has been named Iceland in Miniature, as many national sights can be found in the area, including the Snæfellsjökull volcano, regarded as one of the symbols of Iceland. With its height of 1446 m, it...
Íshellir		Purkhólahraun on Snæfellsnes Snæfellsnes The Snæfellsnes is a peninsula situated to the west of Borgarfjörður, in western of Iceland.It has been named Iceland in Miniature, as many national sights can be found in the area, including the Snæfellsjökull volcano, regarded as one of the symbols of Iceland. With its height of 1446 m, it...
Holuborg		Purkhólahraun on Snæfellsnes Snæfellsnes The Snæfellsnes is a peninsula situated to the west of Borgarfjörður, in western of Iceland.It has been named Iceland in Miniature, as many national sights can be found in the area, including the Snæfellsjökull volcano, regarded as one of the symbols of Iceland. With its height of 1446 m, it...
Vegamannahellir		Jökulsháls on Snæfellsnes Snæfellsnes The Snæfellsnes is a peninsula situated to the west of Borgarfjörður, in western of Iceland.It has been named Iceland in Miniature, as many national sights can be found in the area, including the Snæfellsjökull volcano, regarded as one of the symbols of Iceland. With its height of 1446 m, it...
Sönghellir		Jökulsháls on Snæfellsnes Snæfellsnes The Snæfellsnes is a peninsula situated to the west of Borgarfjörður, in western of Iceland.It has been named Iceland in Miniature, as many national sights can be found in the area, including the Snæfellsjökull volcano, regarded as one of the symbols of Iceland. With its height of 1446 m, it...
Eyvindarhola		At the mouth of Eysteinsdalur on Snæfellsnes Snæfellsnes The Snæfellsnes is a peninsula situated to the west of Borgarfjörður, in western of Iceland.It has been named Iceland in Miniature, as many national sights can be found in the area, including the Snæfellsjökull volcano, regarded as one of the symbols of Iceland. With its height of 1446 m, it...
Fjósin		Stórhöfði, Vestmannaeyjar
Grjótagjá Grjótagjá Grjótagjá is a small lava cave near lake Mývatn with a thermal spring inside.In early 18th century the outlaw Jón Markússon lived there and used the cave for bathing. Until the 1970s Grjótagjá was a popular bathing site. But during the eruptions from 1975 to 1984 the temperature of the water rose...		Mývatn Mývatn Mývatn is a shallow eutrophic lake situated in an area of active volcanism in the north of Iceland, not far from Krafla volcano. The lake and its surrounding wetlands have an exceptionally rich fauna of waterbirds, especially ducks...
Grettishellir Kjölur Kjölur The Kjölur is a highland road in Iceland. It is the second longest of the roads through the Highlands of Iceland. It takes about 5 hours to traverse by car.- Geography :...
Gullborgarhellir
Haugahellir		Haugar, Vestmannaeyjar
Búri Búri Búri was the first god in Norse mythology. He is the father of Borr and grandfather of Odin, Vili and Ve. He was formed by the cow Auðumbla licking the salty ice of Ginnungagap. The only extant source of this myth is Snorri Sturluson's Prose Edda.Búri is mentioned nowhere in the Poetic Edda and...		Leitarhraun
Gjögur		Leitarhraun
Fjallsendahellir		Leitarhraun
Árnahellir		Leitarhraun
Hildarhellir		Stórhöfði, Vestmannaeyjar
Hrímshellar		Búðahraun
Hundraðmannahellir		Torfmýri, Vestmannaeyjar
Höfðahellir		Stórhöfði, Vestmannaeyjar
Kafhellir		Hæna, Vestmannaeyjar
Kalmanshellir		In Hallmundarhraun
Klettshellir		Ystiklettur, Vestmannaeyjar
Kverkfjöll Kverkfjöll The mountain range Kverkfjöll is situated on the north-eastern border of the glacier Vatnajökull in Iceland. With their glacier Kverkjökull, they are to be found between the Vatnajökull and the Dyngjufjöll . The mountains are still active volcanoes...	glacier cave Glacier cave A glacier cave is a cave formed within the ice of a glacier. Glacier caves are often called ice caves, but this term is properly used to describe bedrock caves that contain year-round ice.-Overview:...
Landahellir		Vestmannaeyjar
Landmannahellir		Hellisfjall
Laugarvatnshellir		West of Laugarvatn Laugarvatn Laugarvatn is a lake and small town in the south of Iceland. It is a bit smaller than the neighbouring Apavatn.It is situated at a popular touristical round-trip, the Golden Circle and acts as a popular staging post in the area. There is a small but popular hostel situated in the town...
Litli Höfðahellir		Stórhöfði, Vestmannaeyjar
Paradísarhellir		At Eyjafjöll
Páskahellir		Eldfellshraun, Vestmannaeyjar
Raufarhólshellir		Leitarhraun
Selhellir		Ystaklettur, Vestmannaeyjar
Seljalandshellar (Steinahellir, Stúka, Þrasahellir and Kverkarhellir)		Eyjafjöll
Skiphellir		In Höfðabrekka
Sóttarhellir		Þórsmörk Þórsmörk Thórsmörk is a mountain ridge in Iceland that was named after the Norse god Thor . It is situated in the south of Iceland between the glaciers Tindfjallajökull and Eyjafjallajökull...
Strembuhellir		Agðahraun, Vestmannaeyjar
Surtshellir Surtshellir Surtshellir is a lava cave located in western Iceland, around 60 km from the settlement of Borgarnes. Approximately a mile in length, it is the longest such cave in the country. While mentioned in the medieval historical-geographical work Landnámabók, Eggert Ólafsson was the first to give a...		In Hallmundarhraun
Stefánshellir
Sönghellir		At Snæfellsjökull Snæfellsjökull Snæfellsjökull is a 700,000 year old stratovolcano with a glacier covering its summit in western Iceland. The name of the mountain is actually Snæfell, but it is normally called "Snæfellsjökull" to distinguish it from two other mountains with this name... , In Hallmundarhraun
Teistuhellir		Vestmannaeyjar
Tintron		At Reyðarbarmur
Víðgelmir Víðgelmir Víðgelmir is a lava tube situated in Western Iceland in the Hallmundarhraun lava field, ca. 2 km. Southeast from Fljótstunga farm in Hvítársíða, Borgarfjörður. The roof of the lava tube has collapsed, creating two large openings near its north end which are the only known entrances...		Hallmundarhraun
Þjóðólfshellar		Búðahraun
Þórðarhellir		Árneshreppur Árneshreppur Árneshreppur is an Icelandic municipality, located in the Westfjords peninsula of northwestern Iceland.As of 2011, Árneshreppur had a total population of only 52, what makes it the least populated municipality in the country. It has a population density of 0.07/km²... at Strandir
Þríhnjúkahellir		Þríhnjúkahraun
Þvottahellir		Hvalfjörður Hvalfjörður Hvalfjörður is situated in the west of Iceland between Mosfellsbær and Akranes. The fjord is approximately 30 km long and 5 km wide....
Æðahellir		Vestmannaeyjar

Ireland

Name	Depth (m)	Length (m)	Geology	Notes
Aille River Cave
Aillwee Cave Aillwee Cave Aillwee Cave is the most famous of the many thousands of ancient caves beneath the karst-landscape of the Burren in northwest County Clare, Ireland. The name Aillwee is derived from the Irish which means yellow cliff....
Ballyglunin Cave
Bullock Pot
Cloyne Cave Cloyne Cave Cloyne Cave is a cave located near the town of Cloyne, County Cork, Ireland. It is the longest cave in County Cork.- Description :The cave has been known of for thousands of years and lends its name to the town itself...
Coolagh River Cave
Crag Cave Crag Cave Crag Cave is a cave in Ireland, located just outside Castleisland, County Kerry.Formed in elevated limestone rock, the system extends to of surveyed passage, on two levels...
Cullaun Five
Cullaun One
Cullaun Three
Cullaun Two
Dark Shamrock Traverse
Doolin Cave
Doonyvardan Cave
Dunmore Caves Dunmore Caves Dunmore Cave is a limestone cave in Ballyfoyle, County Kilkenny, Ireland. It is a show cave open to the public, particularly well known for its rich archæological discoveries and for being the site of a Viking massacre in 928.- Show cave :...
Faunarooska Cave
Fergus River Cave
Gragan West Cave
John Thomas's Hole
Killavullen Caves Killavullen Caves The Killavullen Caves are limestone caves near the village of Killavullen in County Cork, Ireland. They are situated on the south bank of the River Blackwater at Killavullen Bridge....
Marble Arch Caves Marble Arch Caves The Marble Arch Caves are a series of natural limestone caves located near the village of Florencecourt in County Fermanagh, Northern Ireland. They are formed by water draining off the northern slopes of Cuilcagh mountain.- History of exploration :...
Mermaid's Hole (Green Holes of Doolin)
Mitchelstown Caves
Moran's Cave
Noon's Hole Noon's Hole Noon's Hole lies about 5 km northwest of the centre of Boho, in the townland of Old Barr in the parish of Devenish, County Fermanagh, close to the border with Boho parish. The cave is under part of the remarkable escarpment on the east side of the Glenade Sandstone uplands...
Pol an Ionain Pol an Ionain Pol an Ionain is a limestone cave near Doolin in County Clare, Ireland, on the western edge of The Burren. The cave is accessible as a show cave and is marketed as Doolin Cave. There has been considerable controversy as to the development of the show cave.- The Great Stalactite :The cave's most...
Poll Cahermacnaghten
Poll-Cahercloggaun West-One
Poll-Cahermaan
Pollballiny
Polldubh
Polskeheenarinky
Poulawillin
Pollnagollum Pollnagollum Pollnagollum–Poulelva is an active stream passage cave situated in County Clare, Ireland.- Description :...
Poulnagree
Poultalloon
Shannon Cave Shannon Cave Shannon Cave is an active stream passage cave situated in County Fermanagh, Northern Ireland and County Cavan in the Republic of Ireland.At vertical depth, it stands joint 6th with Poulnagree in County Clare in the deepest caves of Ireland...

Italy

Antro del Corchia, Stazzema
Stazzema
Stazzema is a comune in the Province of Lucca in the Italian region Tuscany, located about 80 km northwest of Florence and about 25 km northwest of Lucca.-Geography:...

, Tuscany
Blue Grotto, Anacapri
Anacapri
Anacapri is a comune on the island of Capri, in the province of Naples, Italy. The Ancient Greek prefix ana means "up" or "above", signifying that Anacapri is located at a higher elevation on the island than Capri . Administratively, it has a separate status from the city of Capri...

, Campania
Borgio Verezzi Caves
Borgio Verezzi Caves
The Borgio Verezzi Caves , also named Valdemino, are a remarkable karst cave system located in the municipality of Borgio Verezzi, in the province of Savona, Liguria...

, Borgio Verezzi
Borgio Verezzi
Borgio Verezzi is a comune in the Province of Savona in the Italian region Liguria, located about 60 km southwest of Genoa and about 20 km southwest of Savona...

, Liguria
Bue Marino Grotto, Dorgali
Dorgali
thumb|250px|[[Giants' grave]] of Sa Ena e Thomes.Dorgali is a comune in the Province of Nuoro in the Italian region Sardinia, located about 230 km northeast of Cagliari and about 38 km east of Nuoro in the Seaside Supramonte mountain area.Economy is mostly based on the vine and wine...

, Sardinia
Castelcivita Caves
Castelcivita Caves
The Castelcivita Caves are a remarkable karst cave system located in the municipality of Castelcivita , in the province of Salerno, Campania...

, Castelcivita
Castelcivita
Castelcivita is a town and comune in the province of Salerno in the Campania region of south-western Italy.-Geography:The town is situated in the middle of Cilento, by the western side of the Alburni mountains.-External links:...

, Campania
Castellana Caves
Castellana Caves
The Castellana Caves are a remarkable karst cave system located in the municipality of Castellana Grotte, in the province of Bari, Apulia...

, Castellana
Castellana Grotte
Castellana Grotte is a town and comune in the province of Bari, Puglia, Italy.-Geography:Agricultural center of the lower Murgia, it is situated 40 km in south of Bari.-External links:...

, Apulia
Cavallone Cave, Lama dei Peligni
Lama dei Peligni
Lama dei Peligni is a comune and town in the Province of Chieti in the Abruzzo region of Italy- Points of interest :* Giardino Botanico della Majella* Grotta del Cavallone...

and Taranta Peligna
Taranta Peligna
Taranta Peligna is a comune and town in the Province of Chieti in the Abruzzo region of Italy. It is located 57 kilometeres away from Chieti and it has a population of 521....

, Abruzzo
Ear of Dionysius
Ear of Dionysius
The Ear of Dionysius is an artificial limestone cave carved out of the Temenites hill in the city of Syracuse, on the island of Sicily in Italy. Its name comes from its similarity in shape to the human ear.-Geology:...

, Syracuse
Syracuse, Italy
Syracuse is a historic city in Sicily, the capital of the province of Syracuse. The city is notable for its rich Greek history, culture, amphitheatres, architecture, and as the birthplace of the preeminent mathematician and engineer Archimedes. This 2,700-year-old city played a key role in...

, Sicily
Frasassi Caves
Frasassi Caves
The Frasassi Caves are a remarkable karst cave system in the municipality of Genga, Italy, in the province of Ancona, Marche...

, Genga
Genga, Italy
Genga is a town and comune of province of Ancona in the Italian region of the Marche, on the Sentino river about 7 km downstream and east of Sassoferrato and 12 km north of Fabriano....

, Marche
Gelo Cave, Randazzo
Randazzo
Randazzo is a town and comune of Sicily, Italy, in the province of Catania. It is situated at the northern foot of Mount Etna, 70 km NW of Catania by rail. It is the nearest town to the summit of Etna, and is one of the points from which the ascent may be made.-History:In the 13th century the...

, Sicily
Giant Cave
Grotta Gigante
Grotta Gigante , also known as Riesengrotte or as Grotta di Brisciachi, is a giant cave on the Italian side of the Trieste Carso, in the municipality of Sgonico...

, Sgonico
Sgonico
Sgonico is a comune in the Province of Trieste in the Italian region Friuli-Venezia Giulia, located about 12 km northwest of Trieste, on the border with Slovenia. , it had a population of 2,130 and an area of 31.3 km²...

, Friuli-Venezia Giulia
Giusti Cave, Monsummano Terme
Monsummano Terme
Monsummano Terme is an comune located in the Province of Pistoia, Tuscany, central Italy. It is located in the Valdinievole, and is a popular spa resort....

, Tuscany
Ispinigoli Cave, Dorgali
Dorgali
thumb|250px|[[Giants' grave]] of Sa Ena e Thomes.Dorgali is a comune in the Province of Nuoro in the Italian region Sardinia, located about 230 km northeast of Cagliari and about 38 km east of Nuoro in the Seaside Supramonte mountain area.Economy is mostly based on the vine and wine...

, Sardinia
Lauro Cave, Alcara li Fusi
Alcara li Fusi
Alcara li Fusi is a comune in the Province of Messina in the Italian region Sicily, located about 120 km east of Palermo and about 80 km west of Messina...

, Sicily
Maona Cave, Montecatini Terme
Montecatini Terme
Montecatini Terme is an Italian district of 21,095 inhabitants within the province of Pistoia in Tuscany. The most important center in Valdinievole...

, Tuscany
Neptune's Grotto
Neptune's Grotto
Neptune's Grotto is a stalactite cave near the town of Alghero on the island of Sardinia, Italy. The cave was discovered by local fishermen in the 18th century and has since developed into a popular tourist attraction...

, Alghero
Alghero
Alghero , is a town of about 44,000 inhabitants in Italy. It lies in the province of Sassari in northwestern Sardinia, next to the sea.-History:The area of today's Alghero has been settled since pre-historic times...

, Sardinia
Nereo Cave
Nereo Cave
The Nereo Cave is a huge underwater sea-cave situated on the north-west of Sardinia in the Coral riviera of Alghero, Italy. The name was given by the discovers in honour of the mythological figure Nereus, who is often billed as the Old Man of the Sea, father of the Nereids...

, Alghero
Alghero
Alghero , is a town of about 44,000 inhabitants in Italy. It lies in the province of Sassari in northwestern Sardinia, next to the sea.-History:The area of today's Alghero has been settled since pre-historic times...

, Sardinia
Paglicci Cave
Paglicci Cave
Paglicci cave is an archeological site situated near Rignano Garganico, Apulia, southern Italy. The cave, discovered in the 1950s, is the most important cave of Gargano.- Description :...

, Rignano Garganico
Rignano Garganico
Rignano Garganico is a town and comune of the province of Foggia in the Apulia region of southern Italy.-Geography:Apricena, Foggia, San Marco in Lamis, San Severo and San Giovanni Rotondo are neighbouring towns....

, Apulia
Pastena Caves
Pastena Caves
The Pastena Caves are a remarkable karst cave system located in the municipality of Pastena, in the province of Frosinone, Lazio. They are remarkable show caves of Italy and among the most notable ones of the region....

, Pastena
Pastena
Pastena is a comune in the Province of Frosinone in the Italian region Lazio, located about 90 km southeast of Rome and about 20 km southeast of Frosinone...

, Lazio
Patone Cave, Arco, Trentino
Pertosa Caves
Pertosa Caves
The Pertosa Caves are a karst show cave system located in the municipality of Pertosa, in the province of Salerno, Campania, Italy.-Overview:...

, Pertosa
Pertosa
Pertosa is a village and comune of the province of Salerno in the Campania region of south-west Italy.-Geography:The village is situated in the eastern side of the province of Salerno, close to the municipalities of Auletta, Polla and Caggiano and to Alburni mountains.-Demography:At the last census...

, Campania
San Giovanni Cave, Domusnovas
Domusnovas
Domusnovas is a comune in the Province of Carbonia-Iglesias in the Italian region Sardinia, located about 40 km northwest of Cagliari and about 20 km northeast of Carbonia, in the Sulcis-Iglesiente region, in the valley of the Cixerri river.Domusnovas borders the following...

, Sardinia
Tiscali Cave, Oliena
Oliena
Oliena is a comune in the province of Nuoro, Sardinia, Italy. It is the birthplace of former Chelsea FC and Cagliari player, and former West Ham United manager, Gianfranco Zola....

and Dorgali
Dorgali
thumb|250px|[[Giants' grave]] of Sa Ena e Thomes.Dorgali is a comune in the Province of Nuoro in the Italian region Sardinia, located about 230 km northeast of Cagliari and about 38 km east of Nuoro in the Seaside Supramonte mountain area.Economy is mostly based on the vine and wine...

, Sardinia
Toirano Caves
Toirano Caves
The Toirano Caves are a remarkable karst cave system located in the municipality of Toirano, in the province of Savona, Liguria. They are some remarkable show caves of Italy and one of the most notables of the region....

, Toirano
Toirano
Toirano is a comune in the Province of Savona in the Italian region Liguria, located about 70 km southwest of Genoa and about 30 km southwest of Savona...

, Liguria
Trullo Cave, Putignano
Putignano
Putignano is a town and comune in the province of Bari, Puglia, Italy.-Economy:In the past the economy of the city was principally based on agriculture, but soon the population converted the rural village into an industrial center...

, Apulia
Villanova Caves, Lusevera
Lusevera
Lusevera is a comune in the Province of Udine in the Italian region Friuli-Venezia Giulia, located about 80 km northwest of Trieste and about 20 km north of Udine, on the border with Slovenia. , it had a population of 767 and an area of 52.9 km²...

and Nimis, Friuli-Venezia Giulia
Wind Cave, Vergemoli
Vergemoli
Vergemoli is a comune in the Province of Lucca in the Italian region Tuscany, located about 80 km northwest of Florence and about 25 km northwest of Lucca....

, Tuscany
Zelbio Cave, Zelbio
Zelbio
Zelbio is a comune in the Province of Como in the Italian region Lombardy, located about 50 km north of Milan and about 12 km northeast of Como. As of 31 December 2004, it had a population of 206 and an area of 4.7 km²....

, Lombardy

Latvia

Name	Depth (m)	Length (m)	Geology	Notes
Gutmanis Cave Gutmanis cave Gutmanis Cave is the deepest cave in the Baltic countries, located on the Gauja River bank in the National Park of Sigulda, Latvia.-Size and legend:...

Macedonia

Name	Depth (m)	Length (m)	Geology	Notes
Bela Voda Cave
Mlecnik
Pesna
Slatinski Izvor				Longest in Macedonia.
Solunska Glava 5				Deepest in Macedonia 450m.
Spela Bozguni
Zmejovec Cave

Malta

Name	Depth (m)	Length (m)	Geology	Notes
Blue Grotto				Wied iż-Żurrieq, Qrendi Qrendi Qrendi is a small village in the southwest of Malta, with a population of 2,527 people . It isġ near Mqabba and Żurrieq. Within its boundaries are two well-known Neolithic temples called Mnajdra and Ħaġar Qim. In this village two feasts are held annually...
Blue Window Cave				Wied iż-Żurrieq, Żurrieq Zurrieq Żurrieq is one of the oldest towns in Malta, and has a population of 12,000 inhabitants . Żurrieq is situated in the South West of Malta. The first documentation about it being a parish dates back to 1436 dedicated to St. Catherine of Alexandria. The island of Filfla is administratively a part of...
Cat's Cave				Wied iż-Żurrieq, Qrendi Qrendi Qrendi is a small village in the southwest of Malta, with a population of 2,527 people . It isġ near Mqabba and Żurrieq. Within its boundaries are two well-known Neolithic temples called Mnajdra and Ħaġar Qim. In this village two feasts are held annually...
Ghar Baqrat				Għadira, Mellieħa
Ghar Barka				Tal-Lunzjata, Rabat Rabat, Malta Rabat is a village just outside Mdina, Malta. The name of the village is derived from the Arabic word for 'suburb': الرباط, as it was the suburb of the old capital Mdina. Half of the present-day village core also formed part of the Roman city of Melita, before the latter was resized during the...
Ghar Berbah				Xemxija Xemxija Xemxija is a resort area on the west side of St. Paul's Bay, Malta.Xemxija is the gateway to the sandy beaches of Golden Bay to the west, and to Mellieha Bay to the north. Xemxija is a quiet resort, surrounded by Maltese countryside and some of the most fertile valleys in Malta. There is also a... , San Pawl il-Baħar
Ghar Bittija				Dingli Dingli Ħad-Dingli is a village on the west coast of Malta, with a population of 3,326 persons , 13 kilometers from the capital Valletta and two kilometers from the nearest town, Rabat. The village lies on a plateau some 250 metres above sea level, which is one of the highest points of Malta...
Ghar Dalam Ghar Dalam Għar Dalam is a prehistorical cul de sac located on the outskirts of Birżebbuġa, Malta containing the bone remains of animals that were stranded and subsequently became extinct on Malta at the end of the Ice age...				Qajjenza, Birżebbuġa Birzebbuga Birżebbuġa is a small but flourishing seaside resort not far from Marsaxlokk in south-east Malta. It is approximately 8 miles from the City of Valletta. Popular among Maltese holiday-makers for decades, this village is perhaps best known for its important archaeological sites, especially Għar...
Ghar Gerduf				Lunzjata Valley, Rabat Victoria, Malta Victoria or Città Victoria is the capital of Gozo, an island of the Maltese archipelago in the Mediterranean Sea. The town has a total population of 6,414 , and by population is the largest locality in Gozo.... , Gozo Gozo Gozo is a small island of the Maltese archipelago in the Mediterranean Sea. The island is part of the Southern European country of Malta; after the island of Malta itself, it is the second-largest island in the archipelago...
Ghar Hasan				Ħal Far, Birżebbuġa Birzebbuga Birżebbuġa is a small but flourishing seaside resort not far from Marsaxlokk in south-east Malta. It is approximately 8 miles from the City of Valletta. Popular among Maltese holiday-makers for decades, this village is perhaps best known for its important archaeological sites, especially Għar...
Ghar id-Dud				Sliema Sliema Tas-Sliema is a city located on the northeast coast of Malta. It is a centre for shopping, restaurants and café life. Tas-Sliema is also a major commercial and residential area and houses several of Malta's most modern hotels. Tas-Sliema, which means 'peace, comfort', was once a quiet fishing...
Ghar il-Gobon				Birkirkara Birkirkara Birkirkara or B'Kara is a city of 25,858 inhabitants in central Malta. It is the most populated town on the island and consists of four autonomous parishes: St Helen, St Joseph, Our Lady of Mount Carmel and St Mary. It also houses one of the most famous colleges in Malta, St Aloysius' College...
Ghar il-Kbir				Buskett Buskett Buskett, in Siġġiewi, Malta is one of the few woodland area in Malta and is overlooked by Verdala Palace.The Buskett Gardens are located in the fertile valley of Wied Il- Luq, Siġġiewi. They are located to the south of Rabat and just east of Dingli... , Siġġiewi Siggiewi Siġġiewi is a village and a local council in the southwestern part of Malta. It is situated on a plateau, a few kilometres away from Mdina, the ancient capital city of Malta, and 10 kilometres away from Valletta, the contemporary capital...
Ghar il-Lembi				Sliema Sliema Tas-Sliema is a city located on the northeast coast of Malta. It is a centre for shopping, restaurants and café life. Tas-Sliema is also a major commercial and residential area and houses several of Malta's most modern hotels. Tas-Sliema, which means 'peace, comfort', was once a quiet fishing...
Ghar Ilma				Santa Luċija Santa Lucija Santa Luċija is a small village which is one of the modern towns developed during the 20th century on the island of Malta. By virtue of an article which appeared in Government Gazette of 7 July 1961 the area between Tal-Barrani and Luqa By-Pass. Santa Luċija was named after a 16th century chapel... , Kerċem Kercem Ta' Kerċem is a village on Gozo Island, Malta, with a population of 1,654 people .The village of Ta' Kerċem lies close by to the south-west of Victoria, spread between the picturesque Lunzjata Valley, the green hills of Tal-Mixta, Għar Ilma and Ta' Dbieġi, and stretching up to the Pond of Għadira... , Gozo Gozo Gozo is a small island of the Maltese archipelago in the Mediterranean Sea. The island is part of the Southern European country of Malta; after the island of Malta itself, it is the second-largest island in the archipelago...
Ghar ix-Xaghra				Wied Ħoxt, Qrendi Qrendi Qrendi is a small village in the southwest of Malta, with a population of 2,527 people . It isġ near Mqabba and Żurrieq. Within its boundaries are two well-known Neolithic temples called Mnajdra and Ħaġar Qim. In this village two feasts are held annually...
Ghar Lapsi Ghar Lapsi http://www.malta-tours.com/assets/images/ghar_lapsi.jpgGħar Lapsi is a small rocky inlet 1 km south-west of the Blue Grotto. It lies below a stretch of Dingli Cliffs. It is a popular beauty spot and is used by a few fishermen. In summer, the inlet turns into natural swimming pool...				Siġġiewi Siggiewi Siġġiewi is a village and a local council in the southwestern part of Malta. It is situated on a plateau, a few kilometres away from Mdina, the ancient capital city of Malta, and 10 kilometres away from Valletta, the contemporary capital...
Ghar Mirdum				Tal-Kalċ, Dingli Dingli Ħad-Dingli is a village on the west coast of Malta, with a population of 3,326 persons , 13 kilometers from the capital Valletta and two kilometers from the nearest town, Rabat. The village lies on a plateau some 250 metres above sea level, which is one of the highest points of Malta...
Ghar Mundu				Girgenti, Siġġiewi Siggiewi Siġġiewi is a village and a local council in the southwestern part of Malta. It is situated on a plateau, a few kilometres away from Mdina, the ancient capital city of Malta, and 10 kilometres away from Valletta, the contemporary capital...
Ghar Qawqla				Marsalforn Marsalforn Marsalforn is a village on the north west coast of Gozo, the second largest island of the Maltese archipelago. The village lies between the hill-top towns of Xagħra and Żebbuġ The village forms part of the locality of Żebbuġ. Marsalforn is the most popular tourist resort on Gozo. It is well... , Żebbuġ Zebbug, Gozo Iż-Żebbuġ is a small village on the island of Gozo in Malta located in the northwest of the island, close to the towns of Gharb and Marsalforn, on a hilltop overlooking the coast. As of November 2005, it had a population of 1770. The word Żebbuġ means "olives", a crop for which the village used to... , Gozo Gozo Gozo is a small island of the Maltese archipelago in the Mediterranean Sea. The island is part of the Southern European country of Malta; after the island of Malta itself, it is the second-largest island in the archipelago...
Ghar ta' Ghejzu				Ġgantija Ggantija Ġgantija is a Neolithic, megalithic temple complex on the Mediterranean island of Gozo. The Ġgantija temples are the earliest of a series of megalithic temples in Malta. Their makers erected the two Ġgantija temples during the Neolithic Age , which makes these temples more than 5500 years old and... Area, Xagħra, Gozo Gozo Gozo is a small island of the Maltese archipelago in the Mediterranean Sea. The island is part of the Southern European country of Malta; after the island of Malta itself, it is the second-largest island in the archipelago...
Ghar ta' Karolina				Xlendi Xlendi Xlendi is a village in Malta situated in the south west of the island of Gozo. The name is probably derived from the word "xelandion", a type of Byzantine vessel which may have anchored in the port. It is surrounded by the villages of Munxar, Fontana and Kerċem. Xlendi falls under Munxar for... , Munxar Munxar Munxar or Il-Munxar is a village which lies on the southern side of Gozo Island, Malta, close to the village of Sannat. It has its own local village council... , Gozo Gozo Gozo is a small island of the Maltese archipelago in the Mediterranean Sea. The island is part of the Southern European country of Malta; after the island of Malta itself, it is the second-largest island in the archipelago...
Ghar ta' l-Gharusa or Honeymoon Cave				Wied iż-Żurrieq, Qrendi Qrendi Qrendi is a small village in the southwest of Malta, with a population of 2,527 people . It isġ near Mqabba and Żurrieq. Within its boundaries are two well-known Neolithic temples called Mnajdra and Ħaġar Qim. In this village two feasts are held annually...
Ghar ta' Xerri Xerri's Grotto Xerri's Grotto is an underground cave in the village of Xagħra, Gozo, Malta. It was discovered in 1924 underneath a house during digging for a well. Tours are given by the owners of the house. Xerri's Grotto is not far from another underground feature, Ninu's Cave.-External links:* * * *...				Xagħra, Gozo Gozo Gozo is a small island of the Maltese archipelago in the Mediterranean Sea. The island is part of the Southern European country of Malta; after the island of Malta itself, it is the second-largest island in the archipelago...
Ghar ta' Ninu Ninu's Cave Ninu's Cave is an underground cave in the village of Xagħra, Gozo, Malta. It was discovered in 1888 underneath a private house. Ninu's Cave is not far from another underground feature, Xerri's Grotto.- External links :* * *...				Xagħra, Gozo Gozo Gozo is a small island of the Maltese archipelago in the Mediterranean Sea. The island is part of the Southern European country of Malta; after the island of Malta itself, it is the second-largest island in the archipelago...
Ghar ta' Zazu				Wied iż-Żurrieq, Qrendi Qrendi Qrendi is a small village in the southwest of Malta, with a population of 2,527 people . It isġ near Mqabba and Żurrieq. Within its boundaries are two well-known Neolithic temples called Mnajdra and Ħaġar Qim. In this village two feasts are held annually...
Għar tal-Madonna				Mellieħa
Ghar tal-Munqar				Żurrieq Zurrieq Żurrieq is one of the oldest towns in Malta, and has a population of 12,000 inhabitants . Żurrieq is situated in the South West of Malta. The first documentation about it being a parish dates back to 1436 dedicated to St. Catherine of Alexandria. The island of Filfla is administratively a part of...
Ghar u Casa				Mellieħa
Gozo Blue Grotto				Dwejra, San Lawrenz Saint Lawrence, Malta Saint Lawrence is a village on the Isle of Gozo, Malta. Its name is derived from Lawrence of Rome who is the patron saint for the village. The natural reserve Fungus Rock is administratively part of the town, as is the famous Azure Window landmark.... , Gozo Gozo Gozo is a small island of the Maltese archipelago in the Mediterranean Sea. The island is part of the Southern European country of Malta; after the island of Malta itself, it is the second-largest island in the archipelago...
Reflection Cave				Qrendi Qrendi Qrendi is a small village in the southwest of Malta, with a population of 2,527 people . It isġ near Mqabba and Żurrieq. Within its boundaries are two well-known Neolithic temples called Mnajdra and Ħaġar Qim. In this village two feasts are held annually...

Moldova

Name	Depth (m)	Length (m)	Geology	Notes
Emil Racovita			Gypsum

Montenegro

Name	Depth (m)	Length (m)	Geology	Notes
Ledena Pecina (Ice Cave)

Norway

Name	Depth (m)	Geology	Notes
Greftkjelen
Greftsprekka
Grønligrotta			Mo i Rana Mo i Rana Mo i Rana is a town in the municipality of Rana, Nordland, Norway, located just south of the Arctic Circle and in the region Helgeland. The town is called "Mo i Rana" to distinquish it from other places named Mo - most notably the town of Mosjøen, also in Helgeland - though locally the town is...
Jordbrugrotta
Larshullet
Oskola-Kristihola
Raggejavreraige Raggejavreraige Raggejavreraige is a cave located above the Hellemofjord in northern Norway. It is the deepest cave in Scandinavia and the only known deep cave north of the Arctic Circle.-Regional Setting:...	580 metres (1,902.9 ft)	stripe marble	Deepest cave in Scandinavia; deepest cave in the Arctic.
Setergrotta			Mo i Rana Mo i Rana Mo i Rana is a town in the municipality of Rana, Nordland, Norway, located just south of the Arctic Circle and in the region Helgeland. The town is called "Mo i Rana" to distinquish it from other places named Mo - most notably the town of Mosjøen, also in Helgeland - though locally the town is...
Tjoarvekrajgge
Trollkirka
Svarthammarhola

Poland

Name	Depth (m)	Length (m)	Geology	Notes
Jaskinia Wielka Śnieżna Jaskinia Wielka Sniezna Jaskinia Wielka Śnieżna is a limestone cave in mount Małołączniak in the Western Tatras. With the length of 23.619 km and vertical range of 824 m, it is the largest and deepest cave of Poland.- Morphology :... (Great Snow Cave)	824 metres (2,703.4 ft)	23619 metres (77,490.2 ft)	limestone Limestone Limestone is a sedimentary rock composed largely of the minerals calcite and aragonite, which are different crystal forms of calcium carbonate . Many limestones are composed from skeletal fragments of marine organisms such as coral or foraminifera....	Western Tatras Western Tatras The Western Tatras are mountains in the Tatras, part of the Carpathian Mountains, located on the Polish-Slovak borders. The mountains border the High Tatras in the east, Podtatranská kotlina in the south, Choč Mountains in the west and Rów Podtatrzański in the north... , the largest and deepest cave of Poland
Śnieżna Studnia (Snow Well Cave)	759 metres (2,490.2 ft)	11700 metres (38,385.8 ft)	limestone	Western Tatras Western Tatras The Western Tatras are mountains in the Tatras, part of the Carpathian Mountains, located on the Polish-Slovak borders. The mountains border the High Tatras in the east, Podtatranská kotlina in the south, Choč Mountains in the west and Rów Podtatrzański in the north... , second largest cave in Poland
Bańdzioch Kominiarski	562 metres (1,843.8 ft)	9550 metres (31,332 ft)	limestone	Western Tatras Western Tatras The Western Tatras are mountains in the Tatras, part of the Carpathian Mountains, located on the Polish-Slovak borders. The mountains border the High Tatras in the east, Podtatranská kotlina in the south, Choč Mountains in the west and Rów Podtatrzański in the north... , the third deepest cave of Poland
Jaskinia Miętusia (Miętusia Cave)	305 metres (1,000.7 ft)	10500 metres (34,448.8 ft)	limestone	Western Tatras Western Tatras The Western Tatras are mountains in the Tatras, part of the Carpathian Mountains, located on the Polish-Slovak borders. The mountains border the High Tatras in the east, Podtatranská kotlina in the south, Choč Mountains in the west and Rów Podtatrzański in the north... , the largest horizontal cave in Poland
Jaskinia Mała w Mułowej	555 metres (1,820.9 ft)	3760 metres (12,336 ft)	limestone	Western Tatras Western Tatras The Western Tatras are mountains in the Tatras, part of the Carpathian Mountains, located on the Polish-Slovak borders. The mountains border the High Tatras in the east, Podtatranská kotlina in the south, Choč Mountains in the west and Rów Podtatrzański in the north...
Ptasia Studnia	352 metres (1,154.9 ft)	6283 metres (20,613.5 ft)	limestone	Western Tatras Western Tatras The Western Tatras are mountains in the Tatras, part of the Carpathian Mountains, located on the Polish-Slovak borders. The mountains border the High Tatras in the east, Podtatranská kotlina in the south, Choč Mountains in the west and Rów Podtatrzański in the north... , contains the biggest lake in polish caves — Great Liar
Jaskinia Czarna (Black Cave)	303.5 metres (995.7 ft)	6500 metres (21,325.5 ft)	limestone	Western Tatras Western Tatras The Western Tatras are mountains in the Tatras, part of the Carpathian Mountains, located on the Polish-Slovak borders. The mountains border the High Tatras in the east, Podtatranská kotlina in the south, Choč Mountains in the west and Rów Podtatrzański in the north... , considered as the most spacious cave in Poland, especially popular for training people who are new to caving
Jaskinia Kozia (Goats Cave)	389 metres (1,276.2 ft)	3470 metres (11,384.5 ft)		Western Tatras Western Tatras The Western Tatras are mountains in the Tatras, part of the Carpathian Mountains, located on the Polish-Slovak borders. The mountains border the High Tatras in the east, Podtatranská kotlina in the south, Choč Mountains in the west and Rów Podtatrzański in the north...
Jaskinia Zimna (Frosty Cave or Ice Cave)	176 metres (577.4 ft)	4600 metres (15,091.9 ft)		Western Tatras Western Tatras The Western Tatras are mountains in the Tatras, part of the Carpathian Mountains, located on the Polish-Slovak borders. The mountains border the High Tatras in the east, Podtatranská kotlina in the south, Choč Mountains in the west and Rów Podtatrzański in the north...
Studnia w Kazalnicy	240 metres (787.4 ft)	1000 metres (3,280.8 ft)		Western Tatras Western Tatras The Western Tatras are mountains in the Tatras, part of the Carpathian Mountains, located on the Polish-Slovak borders. The mountains border the High Tatras in the east, Podtatranská kotlina in the south, Choč Mountains in the west and Rów Podtatrzański in the north...
Jaskinia Mylna (Mylna Cave)	46 metres (150.9 ft)	1630 metres (5,347.8 ft)		Western Tatras Western Tatras The Western Tatras are mountains in the Tatras, part of the Carpathian Mountains, located on the Polish-Slovak borders. The mountains border the High Tatras in the east, Podtatranská kotlina in the south, Choč Mountains in the west and Rów Podtatrzański in the north... , one of the most interesting caves in Poland, which can be visited without a guide
Jaskinia Niedźwiedzia (Bear Cave)	69 metres (226.4 ft)	3500 metres (11,482.9 ft)	limestone	Sudetes, the biggest cave of the Polish side of Sudety Mountains, full of fossils of Pleistocene Pleistocene The Pleistocene is the epoch from 2,588,000 to 11,700 years BP that spans the world's recent period of repeated glaciations. The name pleistocene is derived from the Greek and .... animals, especially the cave bears
Jaskinia Raj Jaskinia Raj Jaskinia Raj is a horizontal limestone cave in Poland located in the hill Malik, to the south of Kielce, Świętokrzyskie Voivodship.It is part of the "Red tourist trail Chęciny - Kielce" in the Świętokrzyskie Mountains .- Description :... (Paradise Cave)	9.5 metres (31.2 ft)	240 metres (787.4 ft)	limestone	Świętokrzyskie, one of Poland's most beautiful caves, famous for well developed speleothems
Smocza Jama Smocza Jama Smocza Jama is a limestone cave in the Wawel Hill in Kraków. Owing to its location in the heart of the former Polish capital and its connection to the legendary Wawel Dragon, it is the best known cave in Poland.- Morphology :... (Dragon's Cave)	15 metres (49.2 ft)	276 metres (905.5 ft)	limestone	Kraków Kraków Kraków also Krakow, or Cracow , is the second largest and one of the oldest cities in Poland. Situated on the Vistula River in the Lesser Poland region, the city dates back to the 7th century. Kraków has traditionally been one of the leading centres of Polish academic, cultural, and artistic life... , the best known cave in Poland

Portugal

Name	Depth (m)	Length (m)	Geology	Notes
Gruta de Moinhos Velhos Gruta de Moinhos Velhos The Gruta de Moinhos Velhos, is one of the most important cave systems known in the Portuguese Maciço Calcário Estremenho, with about 9 km in extension...
Almonda Cave				Estremenho karstic Massif
Algar dos Alecrineiros				Estremenho karstic Massif
Algar do Pena Cave				Estremenho karstic Massif
Algar de Gralhas VII Cave				Estremenho karstic Massif
Algar da Manga Larga Cave				Estremenho karstic Massif
Algar do Avião				Estremenho karstic Massif
Algar do Chou Jorge Cave				Estremenho karstic Massif
Algar do Ladoeiro Cave				Estremenho karstic Massif
Dueça Cave System				Sicó Karstic Massif
Algar da Lagoa Cave				Sicó Karstic Massif
Algar da Ladeira Cave				Sicó Karstic Massif
Algar do Sancho				Sicó Karstic Massif
Algar do Abismo de Sicó				Sicó Karstic Massif
Ibenamar Cave				Algarve
Gruta da Senhora				Algarve
Gruta das Solestreiras				Algarve
Algar Medusa Cave				Algarvio karstic Massif
Garganta do Cabo Cave				Arrábida karstic Massif
Lapa das Conchas				Arrábida karstic Massif
Lapa das Areias				Arrábida karstic Massif
Lapa Verde				Arrábida karstic Massif
Lapa da Estrada				Arrábida karstic Massif
Algar das Aranhas				Arrábida karstic Massif
Gruta do Xico				Arrábida karstic Massif
Frade Cave				Arrábida karstic Massif
Fojo dos morcegos Cave				Arrábida karstic Massif
Grande Falha Cave				Arrábida karstic Massif
Zambujal Cave				Arrábida karstic Massif
Gruta d'el Rey Cave				Cantanhede karstic Massif

Romania

Name	Depth (m)	Length (m)	Geology	Notes
Avenul din Grind
Avenul V5
Peștera Albastră
Peștera Bătrânului	68 metres (223.1 ft)	1633 metres (5,357.6 ft)	limestone	Pădurea Craiului Mountains
Peștera Coliboaia
Peștera Comarnic
Peștera Dâmbovicioara
Peștera Gheţarul
Peștera Hodobană
Peștera Ialomiţei
Peştera Igriţa	0 metre (0 ft)	717 metres (2,352.4 ft)		Pădurea Craiului Mountains
Peştera Izbândiş	41 metres (134.5 ft)	200 metres (656.2 ft)	limestone	Pădurea Craiului Mountains
Peștera Liliecilor
Peștera Mereşti
Peștera Meziad
Peștera Micula
Peștera Movile
Peștera Muierilor Peştera Muierilor Peștera Muierilor, or Peștera Muierii , is an elaborate cave system located in the Baia de Fier commune, Gorj County, Romania. It contains abundant cave-bear remains, as well as a human skull. The skull is radiocarbon dated to 30,150 ± 800, indication an absolute age between 40,000 and 30,000 BP....
Peștera Polovragi
Peștera Ponicova
Peștera Răţei
Peștera Râşnoavei
Peștera Şugău
Peștera Topolniţa
Peștera Ungurului	0 metre (0 ft)	554 metres (1,817.6 ft)	limestone
Peștera Urşilor Pestera Ursilor Bear Cave , was discovered in 1975, by "Speodava", an amateur speleologist group, and is considered to be an interesting site-seeing location. The cave is located in the western Apuseni Mountains, on the outskirts of Chişcău Village, in Bihor County, Romania....
Peștera Vântului Pestera Vântului Peştera Vântului is the largest cave in Romania, with a length of almost 52 km . It is situated in the Pădurea Craiului Mountains on the left bank of Crişul Repede River in the vicinity of Şuncuiuş village, Bihor County...
Peștera Vârtop
Peștera Veterani
Peștera cu Apă
Peștera cu Oase Pestera cu Oase Peștera cu Oase is a system of 12 karstic galleries and chambers located N. 45° 01’; E. 21° 50’ in southwestern Romania, where the oldest early modern human remains in Europe have been discovered.-Paleoanthropological on-site findings:...
Peștera Coiba Mare
Peștera din Valea Rea
Peștera Huda lui Papară
Peștera Izvorul Tăuşoarelor
Peștera Piatra Altarului
Peștera Şura Mare
Scărișoara Cave Scarisoara Cave Scărişoara Cave , is one of the biggest ice caves in the Apuseni Mountains of Romania, in a part of Carpathian chain.-Discovery:First mentioned in 1863 by the Austrian geographer Arnold Schmidl, who made some observations and the first map of the cave, it was later explored by the Romanian...

Serbia

Marble cave
Marble cave
Marble cave is a karst limestone cave located in Kosovo, in the municipality of Lipljan. Much of it is still unexplored.-Location:The Marble Cave is located in the village of Donje Gadimlje, in the vicinity of Pristina...
Rajkova cave
Resavska cave
Resavska cave
Resava cave is a cave in the eastern part of Serbia.-Location:The Resavska Cave lies in the eastern Serbia in the vicinity of the town of Despotovac . The cave is 52 km from the Belgrade-Niš motorway and 152 km from Belgrade.-The cave:...
Risovača Cave
Stopića cave
Stopica cave
Stopića cave is a cave in the western part of Serbia.-Location:The Stopica cave lies along the northern piedmont of Mt. Zlatibor in the village of Rožanstvo. The Užice - Sirogojno road passes over the cave.-The cave:...
Zlotske caves
Zlotske caves
Zlotske caves are two caves in the eastern part of Serbia.-Location:Zlotske Caves are located in eastern Serbia close to the town of Zlot. There are 22 km from the caves to Bor and 240 km to Belgrade.-The caves:...

Slovakia

Bad hole Cave
Bad Hole Cave
Bad Hole Cave is am impressively large rising cave in the Cockpit Country of Jamaica. This is a limestone Karst region that is very rich in caves.-External links:*.*Photos:*...

(Jaskyńa Zlá diera)
Dead Bats Cave (Jaskyňa Mŕtvych netopierov)
Demänová Caves (Demänovský jaskynný systém)
- Demänovská jaskyňa Slobody
  Demänovská jaskyna Slobody
  Demänovská Cave of Liberty is a karst cave in Low Tatras in Slovakia. Discovered in 1921 and opened to the public in 1924, it is the most visited cave in Slovakia.The public entrance is at an altitude of...
  
  (literally Demänová Cave of Freedom)
- Demänovská Ice Cave
  Demänovská Ice Cave
  Demänovská Ice Cave or Demänovská ľadová jaskyňa is an ice cave in the Demänovská Valley in Slovakia. It was first mentioned in 1299 and is one of oldest known caves in Europe. After the opening of Demänovská jaskyňa Slobody in 1924, interest in this cave declined...
  
  (Demänovská ľadová jaskyňa)
Dobšinská Ice Cave
Dobšinská Ice Cave
Dobšinská Ice Cave or Dobšinská ľadová jaskyňa is an ice cave in Slovakia, near the mining town of Dobšiná in the Slovak Paradise. Since 2000 it is included in the UNESCO World Heritage list as a part of Caves of Aggtelek Karst and Slovak Karst site...

(Dobšinská ľadová jaskyňa)
Domica
Domica
Domica is the biggest cave in the Slovak Karst in southern Slovakia, Rožňava District. It is a part of the cave complex that continues into the cave Baradla in Hungary. It was discovered in 1926 by Ján Majko. Since 1932, of the are open to public...
Driny
Driny
Driny is a limestone cave in West Slovakia in the Little Carpathians Mountains. It is located around 2 km southwest of the village of Smolenice.The cave's entrance altitude is 399 m....
Gombasek Cave
Gombasek Cave
Gombasek Cave or Gombasecká jaskyňa and Gombaszögi-barlang is a stalactite and stalagmite cave in the Slovak Karst, Slovakia. It is named after the settlement of Gombasek, which belongs to the village of Slavec. It is located in the Slovak Karst National Park, in the Slaná river valley,...

(Gombasecká jaskyňa)
Harmanecká Cave
Harmanecká Cave
Harmanecká Cave or Harmanec Cave is a stalactite cave in Central Slovakia. It is located in the Staré Hory and Kremnica mountain ranges and close to the Veľká Fatra mountains. The closest villages are Harmanec and Dolný Harmanec; Banská Bystrica is around 16 km south east of the cave.The entrance...

(Harmanecká jaskyňa)
Jasovská Cave
Jasovská Cave
Jasovská Cave is a stalactite cave in the Slovak Karst in Slovakia. It is located near the village of Jasov, around 25 km from Košice.The cave was partly opened for the public in 1846, making it the oldest publicly accessible cave in Slovakia. The lower parts of the cave were discovered in 1922 to...

(Jasovská jaskyňa)
Javorinka
Krásnohorská Cave
Krásnohorská Cave
Krásnohorská Cave is a karst cave situated at the northern foot of the Silická planina Plain, in the Slovak Karst, 6.5 km southeast of Rožňava, in Slovakia...

(Krasnohorská jaskyňa)
Bear Cave (Medvedia Jaskyňa)
Ochtinská Aragonite Cave
Ochtinská Aragonite Cave
Ochtinská Aragonite Cave is a unique aragonite cave situated in southern Slovakia, near Rožňava. Although only 300 m long, it is famous for its rare aragonite filling. There are only three aragonite caves discovered in the world so far. In the so-called Milky Way Hall, the main attraction of the...

(Ochtinská aragonitová jaskyňa)
Stratenská Cave (Stratenská jaskyňa)
Važecká Cave
Važecká Cave
Važecká Cave is a stalactite cave near the village of Važec in northern Slovakia. It lies at an altitude of 748 metres, in the Liptov Basin near the Biely Váh River, on the northern edge of the Low Tatra mountain range. The cave was discovered in 1922...

(Važecká jaskyňa)

Slovenia

Planina Cave, near Postojna
Postojna Cave
Postojna Cave
Postojna Cave is a 20,570 m long Karst cave system near Postojna, Slovenia. It is the longest cave system in the country as well as one of its top tourism sites.-History:The caves were created by the Pivka River....

, Postojna
Škocjan Caves
Škocjan Caves
Skocjan Caves is a cave system in Slovenia. Due to its exceptional significance, Škocjan Caves was entered on UNESCO’s list of natural and cultural world heritage sites in 1986. International scientific circles have thus acknowledged the importance of the caves as one of the natural treasures of...

, near Divača
Vilenica Cave, the oldest show cave in Europe
Kostanjevica Cave, near Kostanjevica na Krki
Županova Cave, formerly Tabor Cave, near Grosuplje
Križna Cave, near Cerknica
Vrtoglavica, Julian Alps, with the deepest single vertical drop in the world

Spain

Altamira
Altamira (cave)
Altamira is a cave in Spain famous for its Upper Paleolithic cave paintings featuring drawings and polychrome rock paintings of wild mammals and human hands....

, in Cantabria
Cantabria
Cantabria is a Spanish historical region and autonomous community with Santander as its capital city. It is bordered on the east by the Basque Autonomous Community , on the south by Castile and León , on the west by the Principality of Asturias, and on the north by the Cantabrian Sea.Cantabria...

, famous for its Upper Paleolithic paintings.
Cueva de los Casares
Cueva de los Casares
Cueva de los Casares is a cave in Riba de Saelices in Guadalajara, Spain. Discovered in 1933, it contains a number of paleolithic cave paintings, and is most notable for a series of paintings depicting what some have argued is the earliest representation of human understanding of the reproductive...
The Caves of King "Cintolo"
Cuevas de El Castillo
Cuevas de El Castillo
The Cueva de El Castillo, or the Cave of the Castle, is an archaeological site within the complex of the Caves of Monte Castillo, and is located in Puente Viesgo, in the province of Cantabria, Spain....
Caves of Nerja
Caves of Nerja
The Caves of Nerja are a series of caverns close to the town of Nerja in Andalusia. Stretching for almost 5 km the caverns are one of Spain's major tourist attractions...
Cuevas de Sorbas
Cuevas de Sorbas
Cuevas de Sorbas are the toursit gypsum caves in Sorbas in Almeria, Spain. The formations are 6 millions of years old and consist of karst in gypsum rock.##Karst en Yesos de Sorbas :es:Karst en Yesos de Sorbas...
Cueva de los Verdes
Cueva de los Verdes
Cueva de los Verdes is a lava tube located in the island of Lanzarote in the Canary Islands ....
Cuevas del Drach
Cuevas del Drach
The Coves del Drach are four great caves that are located in the island of Majorca, Balearic Islands, Spain. They are in the municipality of Manacor, near the locality of Porto Cristo. The caves extend to a depth of 25 m, reaching 2.4 km in length. The four caves, called Black Cave,...

, on Majorca, containing one of the largest subterranean lakes in the world
Torca Del Cerro, Picos de Europa
Picos de Europa
The Picos de Europa is a range of mountains 20 km inland from the northern coast of Spain, located in the Autonomous Communities of Asturias, Cantabria and Castile and León, forming part of the Cantabrian Mountains...

, Spain's deepest cave, and the fifth deepest cave in the world.
Sistema d'Alba the newest integral traverse in the Pirineos mountains.
La Collarada Caves and caving in the Collarada sierra.

Sweden

Name	Depth (m)	Length (m)	Geology	Notes
Lummelundagrottan Lummelundagrottan Lummelundagrottan is a nature reserve located near Lummelunds bruk north of Visby on Gotland, Sweden. It is best known for the actual cave Lummelundagrottan, also called Rövarkulan . The reserve is and include the cave and an area above the ground...				Gotland
Barnekällagrottan				Skåne
Balsbergsgrottan				Skåne
Jungfrugrottan				Skåne
Korallgrottan Korallgrottan Korallgrottan is a marble cave at the northernmost tip of Jämtland, near Ankarvattnet, Sweden. It was discovered in 1985. So far, six kilometres of it have been explored, making it Sweden's longest cave. Members of the public are not allowed to visit Korallgrottan without a guide....				Jämtland

Switzerland

Name	Depth (m)	Length (m)	Geology	Notes
Hölloch Hölloch Cave Hölloch Cave is a long cave situated between the river Muota and the area of the Pragelpass in the Valley of Muotha in Switzerland. It is also notable for having a depth of and being the second longest cave in Europe. The initial exploration started in 1875 and was led by Alois Ulrich. A large...		190000 metres (623,359.6 ft)
Siebenhengste-Hohgant-Höhle Siebenhengste-Hohgant-Höhle Siebenhengste-Hohgant-Höhle is a cave located in Switzerland, in the canton of Bern at the north of the Lake of Thun, between the villages of Eriz and Habkern...
Wildkirchli Wildkirchli Wildkirchli is the name of a system of three caves in the Alpstein massif of Appenzell, Switzerland.They are notable for the traces of paleolithic habitation discovered in 1940 by Emil Bächler , dating to ca. 50,000 to 30,000 BP. Even earlier are remnants of cave bears found in the caves, dating...

Turkey

EGMA
Egma
EGMA is the deepest cave of Turkey. It is in the southern region of Anatolia, on the Taşeli Plateau and is deep. EGMA stands for Evren Günay - Mehmet Ali Özel Sinkhole....

, aka "Peynirlikönü Sinkhole"
Aladag Meydan Bigbig in Adana
Adana
Adana is a city in southern Turkey and a major agricultural and commercial center. The city is situated on the Seyhan River, 30 kilometres inland from the Mediterranean, in south-central Anatolia...

, aka "Colourful Caves"
Damlatas in Antalya
Antalya
Antalya is a city on the Mediterranean coast of southwestern Turkey. With a population 1,001,318 as of 2010. It is the eighth most populous city in Turkey and country's biggest international sea resort.- History :...

, aka "Dropstone Caves"
Karain, aka "Black Caves"
Derya
Derya
Derya is a Turkish given name meaning sea. People named Derya include:* Derya Alabora, Turkish actress* Derya Büyükuncu, Turkish swimmer* Derya Cıbır, Turkish judoka* Derya Köroğlu, Turkish singer...

, aka "Sea Caves"
Belbaşı
Belbasi
Belbaşı is a cave/rock shelter and a late Paleolithic/Mesolithic site in southern Turkey, located southwest of Antalya.Belbaşı culture is a term sometimes used to describe the prehistoric culture whose clearly identifiable traces in the site were explored in the 1960s, as well as being sometimes...

, aka "Mountain Caves"
Sirtlanini, aka "Hyena Caves"
Aynali in Amasya
Amasya
- History :Its location in this steep valley makes the city a mountain stronghold, easy to defend, and thus Amasya has had a long and prominent history.-Antiquity:...

, aka "Mirror Caves"
Aslanli/Yaren in Kuşadası
Kusadasi
Kuşadası is a resort town on Turkey's Aegean coast and the center of the seaside district of the same name in Aydın Province. Kuşadası lies at a distance of to the south from the region's largest metropolitan center of İzmir, and from the provincial seat of Aydın situated inland. Its primary...

, aka "Lion Caves"
Insuyu in Burdur
Burdur
Burdur , is a city southwestern Turkey and the seat of the Burdur Province of Turkey. It is located at , on the shore of Lake Burdur...

, aka "CaveWater Caves"
Buzluk, aka "Ice Caves"
Ballica
Ballica
Ballıca is a village de jure in the Khojali Rayon of Azerbaijan, de facto in the Askeran rayon of the Nagorno-Karabakh Republic.- References :*...

, aka "Honey Caves"
Yerkure, aka "Earthsphere Caves"
Gokgol, aka "Skylake Caves"
Cehennemagzi, aka "The Hell Mouth Caves"
Frig Vadisi, aka "Frigian Caves"
Sabuncupinar, Inlikoy Caves aka "The Cave Villages"
Zindan
Zindan
A Zindan is a traditional Central Asian prison. In the eastern Khanate, the prisons were typically underground.-References:...

, aka "Chamber Caves"
Ayi Ini, aka "The Bear Caves"
Çukurpınar
Cennet Obruk, aka "Heaven Caves"
Zeus Caves
Ayvaini Cave
Ayvaini Cave
The Ayvaini Cave is a cave located inside the borders of the Ayva village of Bursa, Turkey.Except for the entrance section, the cave is horizontally developed. There are two entrances to the cave; one at Doğanalanı, the other at Ayvaköy. Entering the cave from one point and leaving the cave from...
Plutonium (cave)
Karaca Cave
Karaca Cave
The Karaca Cave is a network of caves located near the Turkish town of Torul.Although the cave is known by the people living in that region, it became open to tourism as a result of the scientific research conducted by Sukru Eroz, a geological engineer from Cebeli Village, between the years...
Pinargozu in Isparta
Isparta
Isparta is a city in western Turkey and the provincial capital of the Isparta Province. The city's population is 222,556 and elevation from sea level is 1035 m. Another name of the city is "City of Roses"....

The longest cave in Turkey

Ukraine

Name	Geology	Notes
Optymistychna	gypsum Gypsum Gypsum is a very soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O. It is found in alabaster, a decorative stone used in Ancient Egypt. It is the second softest mineral on the Mohs Hardness Scale...	Longest gypsum Gypsum Gypsum is a very soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O. It is found in alabaster, a decorative stone used in Ancient Egypt. It is the second softest mineral on the Mohs Hardness Scale... cave in the world, longest cave in the Europe
Ozerna cave (aka Priest's Grotto Priest's Grotto Priest's Grotto is a cave in western Ukraine near the village of Strilkivtsi , located within the Borshchiv Raion of the Ternopil Oblast .... )	gypsum Gypsum Gypsum is a very soft sulfate mineral composed of calcium sulfate dihydrate, with the chemical formula CaSO4·2H2O. It is found in alabaster, a decorative stone used in Ancient Egypt. It is the second softest mineral on the Mohs Hardness Scale...	Where Jews hid from Nazi occupation
Zolooshka cave (aka Emil Racovitsa)
Mlynky cave
Verteba cave
Odessa Catacombs Odessa Catacombs The Odessa Catacombs are an estimated 2,500 kilometres of labyrinths stretching out under the city and surrounding region of Odessa, Ukraine. The majority of the catacombs are the result of stone mining....
Near Caves Near Caves The Near Caves or the Caves of Saint Anthony are historic caves and a network of tunnels of the medieval cave monastery of Kiev Pechersk Lavra in Kiev, the capital of Ukraine...
Vyalova-Azimutna cave system
Kaskadna
Soldatska
Bezdonna
Chervona Chervona Chervona is a multi-ethnic, Russian and Eastern European-inspired band from Portland, Oregon, that formed in 2006. They have become known for their old world-inspired music and their highly energetic live shows.... aka Red cave
Monastyr-Chokrak

United Kingdom

Afton Red Rift, Devon
Aveline's Hole
Aveline's Hole
Aveline's Hole is a cave at Burrington Combe in the limestone of the Mendip Hills, in Somerset, England.The earliest scientifically dated cemetery in Britain was found at Aveline's Hole...

, Mendip Hills
Mendip Hills
The Mendip Hills is a range of limestone hills to the south of Bristol and Bath in Somerset, England. Running east to west between Weston-super-Mare and Frome, the hills overlook the Somerset Levels to the south and the Avon Valley to the north...

, Somerset
Bakers pit
Bakers pit
Bakers Pit is a phreatic maze cave system near Buckfastleigh, Devon, England.Bakers Pit is entered via a vertical descent of 16 metres. It has 3.631 kilometres of passage and a small stream, flowing to the River Dart, that is still actively developing the cave. It was once connected to Reeds cave,...

, Buckfastleigh
Buckfastleigh
Buckfastleigh is a small market town and civil parish in Devon, England situated beside the Devon Expressway at the edge of the Dartmoor National Park. It is part of Teignbridge District and, for ecclesiastical purposes lies within the Totnes Deanery. It has a population of 3,661...

, Devon
Blue John Cavern
Blue John Cavern
The Blue John Cavern is one of the four show caves in Castleton, Derbyshire, England. The cavern, which takes its name from the semi-precious mineral "Blue John" or "Derbyshire Spar", is still mined for the mineral outside of the tourist season. The small amounts taken are turned into locally-made...

, Derbyshire
Bridge Cave, South Wales
South Wales
South Wales is an area of Wales bordered by England and the Bristol Channel to the east and south, and Mid Wales and West Wales to the north and west. The most densely populated region in the south-west of the United Kingdom, it is home to around 2.1 million people and includes the capital city of...
Car Pot, Yorkshire
Chislehurst Caves
Chislehurst Caves
Chislehurst Caves are a long series of tunnels in Chislehurst, in the south eastern suburbs of Greater London. Although called caves, they are chalk and flint mines and entirely man-made....

, Greater London
Clearwell Caves
Clearwell Caves
Clearwell Caves, at Clearwell in the Forest of Dean, Gloucestershire, England, is a natural cave system which has been extensively mined for iron ore. It now operates primarily as a mining museum....

, Gloucestershire
Cleeves Cove cave
Cleeves Cove cave
Cleeves Cove is a cave system on the Dusk Water in North Ayrshire, Scotland, close to the town of Dalry.-The cave system:Cleeves, or Cleaves, cove cave system is situated in the lower bed of carboniferous limestone. It measures around 500 feet if all the passages were put together...

, North Ayrshire
North Ayrshire
North Ayrshire is one of 32 council areas in Scotland with a population of roughly 136,000 people. It is located in the south-west region of Scotland, and borders the areas of Inverclyde to the north, Renfrewshire to the north-east and East Ayrshire and South Ayrshire to the East and South...

, Scotland.
Cox's cave
Cox's cave
Cox's Cave is in Cheddar Gorge on the Mendip Hills, in Somerset, England. It is open to the public as a show cave.The cave is named after mill owner George Cox who discovered it in 1837, while quarrying limestone for a new building....

, Mendip Hills
Mendip Hills
The Mendip Hills is a range of limestone hills to the south of Bristol and Bath in Somerset, England. Running east to west between Weston-super-Mare and Frome, the hills overlook the Somerset Levels to the south and the Avon Valley to the north...

, Somerset
Creux Mahie, Guernsey
Guernsey
Guernsey, officially the Bailiwick of Guernsey is a British Crown dependency in the English Channel off the coast of Normandy.The Bailiwick, as a governing entity, embraces not only all 10 parishes on the Island of Guernsey, but also the islands of Herm, Jethou, Burhou, and Lihou and their islet...
Dan yr Ogof
Dan yr Ogof
Dan yr Ogof is a long cave system in south Wales, five miles north of Ystradgynlais and fifteen miles south west of Brecon within the Brecon Beacons National Park. It is the main feature of a show cave complex which is claimed to be the largest in Europe and is one of the major tourist...

, South Wales
South Wales
South Wales is an area of Wales bordered by England and the Bristol Channel to the east and south, and Mid Wales and West Wales to the north and west. The most densely populated region in the south-west of the United Kingdom, it is home to around 2.1 million people and includes the capital city of...
Easegill System
Easegill System
The Ease Gill Cave System is the second longest, afer Ogof Draenen, and most complex cave system in Britain, with around of passages, including connections only passable by cave diving. It spans the valley between Leck Fell and Casterton Fell...

, Yorkshire Dales
Yorkshire Dales
The Yorkshire Dales is the name given to an upland area in Northern England.The area lies within the historic county boundaries of Yorkshire, though it spans the ceremonial counties of North Yorkshire, West Yorkshire and Cumbria...
Eastwater Cavern
Eastwater Cavern
Eastwater Cavern is a cave near Priddy in the limestone of the Mendip Hills, in Somerset, England. It is also known as Eastwater Swallet. It was first excavated in April 1902 by a team led by Herbert E. Balch composed of paid labourers and volunteers from the Wells Natural History Society...

, Mendip Hills
Mendip Hills
The Mendip Hills is a range of limestone hills to the south of Bristol and Bath in Somerset, England. Running east to west between Weston-super-Mare and Frome, the hills overlook the Somerset Levels to the south and the Avon Valley to the north...

, Somerset
Elm Hole, South Wales
South Wales
South Wales is an area of Wales bordered by England and the Bristol Channel to the east and south, and Mid Wales and West Wales to the north and west. The most densely populated region in the south-west of the United Kingdom, it is home to around 2.1 million people and includes the capital city of...
Manchester Hole, Nidderdale
Nidderdale
Nidderdale is one of the Yorkshire Dales in North Yorkshire, England. It is the upper valley of the River Nidd, which flows south through the dale, forming several reservoirs including the Gouthwaite Reservoir, before turning east and eventually joining the River Ouse.The only town in the dale is...

, Yorkshire Dales
Yorkshire Dales
The Yorkshire Dales is the name given to an upland area in Northern England.The area lies within the historic county boundaries of Yorkshire, though it spans the ceremonial counties of North Yorkshire, West Yorkshire and Cumbria...
Father Foote's Cave, Moor Park, Farnham
Moor Park, Farnham
Moor Park, Farnham, Surrey, England is a Grade II listed house set in some of grounds. It was formerly known as Compton Hall. The present house dates from 1630 but has been substantially altered, particularly in 1750 and 1800...

, Surrey
Fingal's Cave
Fingal's Cave
Fingal's Cave is a sea cave on the uninhabited island of Staffa, in the Inner Hebrides of Scotland, part of a National Nature Reserve owned by the National Trust for Scotland. It is formed entirely from hexagonally jointed basalt columns, similar in structure to the Giant's Causeway in Northern...

, Inner Hebrides
Inner Hebrides
The Inner Hebrides is an archipelago off the west coast of Scotland, to the south east of the Outer Hebrides. Together these two island chains form the Hebrides, which enjoy a mild oceanic climate. There are 36 inhabited islands and a further 43 uninhabited Inner Hebrides with an area greater than...
Gaping Gill
Gaping Gill
Gaping Gill is a natural cave in North Yorkshire, England. It is one of the unmistakable landmarks on the southern slopes of Ingleborough – a deep pothole with the stream Fell Beck flowing into it...

, Yorkshire Dales
Yorkshire Dales
The Yorkshire Dales is the name given to an upland area in Northern England.The area lies within the historic county boundaries of Yorkshire, though it spans the ceremonial counties of North Yorkshire, West Yorkshire and Cumbria...
GB Cave
GB Cave
GB Cave is a cave between Charterhouse and Shipham in the limestone of the Mendip Hills, in Somerset, England, and is close to Charterhouse Cave, the deepest in the region....

, Mendip Hills
Mendip Hills
The Mendip Hills is a range of limestone hills to the south of Bristol and Bath in Somerset, England. Running east to west between Weston-super-Mare and Frome, the hills overlook the Somerset Levels to the south and the Avon Valley to the north...

, Somerset
Goatchurch Cavern
Goatchurch Cavern
Goatchurch Cavern is a cave on the edge of Burrington Combe in the limestone of the Mendip Hills, in Somerset, England.-Description:Due to early attempts to turn it into a show cave, there are the remains of iron handrails inside the cave. There is a large amount of decoration throughout the cave...

, Mendip Hills
Mendip Hills
The Mendip Hills is a range of limestone hills to the south of Bristol and Bath in Somerset, England. Running east to west between Weston-super-Mare and Frome, the hills overlook the Somerset Levels to the south and the Avon Valley to the north...

, Somerset
Gough's Cave
Gough's Cave
Gough's Cave is located in Cheddar Gorge on the Mendip Hills, in Cheddar, Somerset, England. The cave is deep and is long,and contains a variety of large chambers and rock formations. It contains the Cheddar Yeo, the largest underground river system in Britain.- History :The initial sections of...

, Mendip Hills
Mendip Hills
The Mendip Hills is a range of limestone hills to the south of Bristol and Bath in Somerset, England. Running east to west between Weston-super-Mare and Frome, the hills overlook the Somerset Levels to the south and the Avon Valley to the north...

, Somerset
Great Masson Cavern
Great Masson Cavern
The Great Masson Cavern, Derbyshire, England, is one of the two caves at the Heights of Abraham. It is notable for its lack of stalactites and stalagmites, as the cave is coated in a clay-like substance that inhibits deposition. However, it still has some rock formations such as "the Owl" and "the...

, Derbyshire
Great Rutland Cavern
Great Rutland Cavern
The Great Rutland Cavern is a small cave and one of the two at the Heights of Abraham, Matlock, Derbyshire.It consists of a narrow passage and a chamber leading in to the Nestus Grotto...

, Derbyshire
Ingleborough Cave
Ingleborough Cave
Ingleborough Cave is a show cave close to the village of Clapham, North Yorkshire, England adjacent to where the water from Gaping Gill resurges....

, Yorkshire Dales
Yorkshire Dales
The Yorkshire Dales is the name given to an upland area in Northern England.The area lies within the historic county boundaries of Yorkshire, though it spans the ceremonial counties of North Yorkshire, West Yorkshire and Cumbria...
Kent's Cavern
Kent's Cavern
Kents Cavern is a cave system in Torquay, Devon, England. It is notable for its archaeological and geological features. The caves are a geological Site of Special Scientific Interest and a Scheduled Ancient Monument , and are open to the public.-Prehistory:The caverns and passages at the site were...

, Devon
Lamb Leer
Lamb Leer
Lamb Leer is a 14.59 hectare geological Site of Special Scientific Interest between East Harptree and Priddy in the Mendip Hills, Somerset, notified in 1983. The cavern is a fragment of a very ancient major cave system which now contains one of the largest chambers on Mendip.- History :Several...

, Mendip Hills
Mendip Hills
The Mendip Hills is a range of limestone hills to the south of Bristol and Bath in Somerset, England. Running east to west between Weston-super-Mare and Frome, the hills overlook the Somerset Levels to the south and the Avon Valley to the north...

, Somerset
Little Neath River Cave, South Wales
South Wales
South Wales is an area of Wales bordered by England and the Bristol Channel to the east and south, and Mid Wales and West Wales to the north and west. The most densely populated region in the south-west of the United Kingdom, it is home to around 2.1 million people and includes the capital city of...
Long Churn Caves, Yorkshire Dales
Yorkshire Dales
The Yorkshire Dales is the name given to an upland area in Northern England.The area lies within the historic county boundaries of Yorkshire, though it spans the ceremonial counties of North Yorkshire, West Yorkshire and Cumbria...
Longwood Swallet
Longwood Swallet
Longwood Swallet is a cave near Charterhouse, in the carboniferous limestone of the Mendip Hills, in Somerset, England. The cave is part of the Cheddar Complex SSSI and connected to August Hole.It is 1.65 km in length and reaches a depth of 175m....

, Mendip Hills
Mendip Hills
The Mendip Hills is a range of limestone hills to the south of Bristol and Bath in Somerset, England. Running east to west between Weston-super-Mare and Frome, the hills overlook the Somerset Levels to the south and the Avon Valley to the north...

, Somerset
Manor Farm Swallet
Manor Farm Swallet
Manor Farm Swallet is a cave in the limestone of the Mendip Hills, in Somerset, England which was subject to numerous failed digging attempts between 1947 and 1973 as the surface shafts kept collapsing....

, Mendip Hills
Mendip Hills
The Mendip Hills is a range of limestone hills to the south of Bristol and Bath in Somerset, England. Running east to west between Weston-super-Mare and Frome, the hills overlook the Somerset Levels to the south and the Avon Valley to the north...

, Somerset
Marble Arch Caves
Marble Arch Caves
The Marble Arch Caves are a series of natural limestone caves located near the village of Florencecourt in County Fermanagh, Northern Ireland. They are formed by water draining off the northern slopes of Cuilcagh mountain.- History of exploration :...

, Co. Fermanagh, Northern Ireland
Mother Ludlam's Cave
Mother Ludlam's Cave
Mother Ludlam's Cave, also known as Mother Ludlum's Cave or Mother Ludlum's Hole, is a small cave in the sandstone cliff of the Wey Valley at Moor Park, near Farnham, Surrey, England, the subject of local legends...

, Moor Park, Farnham
Moor Park, Farnham
Moor Park, Farnham, Surrey, England is a Grade II listed house set in some of grounds. It was formerly known as Compton Hall. The present house dates from 1630 but has been substantially altered, particularly in 1750 and 1800...

, Surrey
Mother Shipton's Cave
Mother Shipton's Cave
Mother Shipton's Cave is at Knaresborough, North Yorkshire, England, near to the River Nidd. Nearby is a petrifying well which has been a tourist attraction since 1630 due to its association with the legendary soothsayer and prophetess Mother Shipton , born Ursula Southeil, wife of Toby Shipton....

, Knaresborough
Knaresborough
Knaresborough is an old and historic market town, spa town and civil parish in the Borough of Harrogate, North Yorkshire, England, located on the River Nidd, four miles east of the centre of Harrogate.-History:...

, North Yorkshire
Mossdale Caverns
Mossdale Caverns
Mossdale Caverns is a cave system in the Yorkshire Dales, England. It is located about north of Grassington, and east of Conistone, where the Mossdale beck disappears beneath the ground into the caves at Mossdale Scar...

, Yorkshire Dales
Yorkshire Dales
The Yorkshire Dales is the name given to an upland area in Northern England.The area lies within the historic county boundaries of Yorkshire, though it spans the ceremonial counties of North Yorkshire, West Yorkshire and Cumbria...
Noon's Hole
Noon's Hole
Noon's Hole lies about 5 km northwest of the centre of Boho, in the townland of Old Barr in the parish of Devenish, County Fermanagh, close to the border with Boho parish. The cave is under part of the remarkable escarpment on the east side of the Glenade Sandstone uplands...

, Co. Fermanagh, Northern Ireland
Ogof Agen Allwedd
Ogof Agen Allwedd
Ogof Agen Allwedd or Agen Allwed, also known as Aggy, is, at 32½ km long, one of the longest cave systems in Wales, and the longest cave system on the Llangattock escarpment, where Ogof y Daren Cilau is also found....

, South Wales
South Wales
South Wales is an area of Wales bordered by England and the Bristol Channel to the east and south, and Mid Wales and West Wales to the north and west. The most densely populated region in the south-west of the United Kingdom, it is home to around 2.1 million people and includes the capital city of...
Ogof Craig a Ffynnon
Ogof Craig a Ffynnon
Ogof Craig a Ffynnon is a cave in Wales. The cave is about 7km in length .The cave is renowned as one of the most well-decorated caves in Britain.The cave contains some early short crawling...

, South Wales
South Wales
South Wales is an area of Wales bordered by England and the Bristol Channel to the east and south, and Mid Wales and West Wales to the north and west. The most densely populated region in the south-west of the United Kingdom, it is home to around 2.1 million people and includes the capital city of...
Ogof Draenen
Ogof Draenen
Ogof Draenen is, at 66 km , the longest cave system in Wales and now probably the longest in Great Britain .The cave was known only as a small entrance on a steep...

, South Wales
South Wales
South Wales is an area of Wales bordered by England and the Bristol Channel to the east and south, and Mid Wales and West Wales to the north and west. The most densely populated region in the south-west of the United Kingdom, it is home to around 2.1 million people and includes the capital city of...
Ogof Ffynnon Ddu
Ogof Ffynnon Ddu
Ogof Ffynnon Ddu is a cave located under a hillside in the area surrounding Penwyllt in the Upper Swansea Valley in South Wales...

, South Wales
South Wales
South Wales is an area of Wales bordered by England and the Bristol Channel to the east and south, and Mid Wales and West Wales to the north and west. The most densely populated region in the south-west of the United Kingdom, it is home to around 2.1 million people and includes the capital city of...
Ogof Fawr, South Wales
South Wales
South Wales is an area of Wales bordered by England and the Bristol Channel to the east and south, and Mid Wales and West Wales to the north and west. The most densely populated region in the south-west of the United Kingdom, it is home to around 2.1 million people and includes the capital city of...
Ogof Hen Ffynhonnau, North Wales
North Wales
North Wales is the northernmost unofficial region of Wales. It is bordered to the south by the counties of Ceredigion and Powys in Mid Wales and to the east by the counties of Shropshire in the West Midlands and Cheshire in North West England...
Ogof Hesp Alyn
Ogof Hesp Alyn
Ogof Hesp Alyn was discovered by in 1973 in the Alyn Gorge near Cilcain, Flintshire, Wales. Reaching the end of the cave is a serious commitment requiring one pitch series and the draining of two sumps....

, North Wales
North Wales
North Wales is the northernmost unofficial region of Wales. It is bordered to the south by the counties of Ceredigion and Powys in Mid Wales and to the east by the counties of Shropshire in the West Midlands and Cheshire in North West England...
Ogof Llyn Parc
Ogof Llyn Parc
Ogof Llyn Parc usually known as Pool Park is a cave on Esclusham Mountain that has a 100m entrance shaft, normally descended by winch to the mine levels. Further caving and two ladders reaches the natural cave levels in which there are streamways....

, North Wales
North Wales
North Wales is the northernmost unofficial region of Wales. It is bordered to the south by the counties of Ceredigion and Powys in Mid Wales and to the east by the counties of Shropshire in the West Midlands and Cheshire in North West England...
Ogof y Daren Cilau
Ogof y Daren Cilau
Ogof y Daren Cilau is one of several cave systems in the Llangattock escarpment near Crickhowell in south Powys, Wales.Its awkward 517m entrance crawl is a natural barrier to any casual visitor and precludes the need for a locked gate to protect it from vandals.Highlights of Daren Cilau include the...

, South Wales
South Wales
South Wales is an area of Wales bordered by England and the Bristol Channel to the east and south, and Mid Wales and West Wales to the north and west. The most densely populated region in the south-west of the United Kingdom, it is home to around 2.1 million people and includes the capital city of...
Otter Hole
Otter Hole
Otter Hole is perhaps one of the best decorated caves in Britain. Located on the English Welsh border just north of Chepstow, the cave runs from the banks of the tidal River Wye under the Chepstow Racecourse and onwards through various chambers, each rich with cave formations...

, Forest of Dean
Forest of Dean
The Forest of Dean is a geographical, historical and cultural region in the western part of the county of Gloucestershire, England. The forest is a roughly triangular plateau bounded by the River Wye to the west and north, the River Severn to the south, and the City of Gloucester to the east.The...

, Gloucestershire
Oxlow Cavern
Oxlow Cavern
Oxlow Cavern is a part-natural and part-mined cavern near Castleton, Derbyshire, England. It is situated on the south side of the road running from the A623 at Sparrowpit to the Winnats Pass, west of Castleton, and is almost opposite Giant's Hole on the other side of the road...

, Derbyshire
Pate Hole
Pate Hole
Pate Hole is a large cave, located near the small village of Great Asby in the Asby area of Cumbria.The main Pate Hole cave was surveyed in 1960 by Phil Davies and Jack Whaddon. Later explorations have shown that the cave runs approximately 30m below the surface, for approximately 1000m.The cave...

, Cumbria
Peak Cavern
Peak Cavern
The Peak Cavern, also known as the Devil's Arse , is one of the four show caves in Castleton, Derbyshire, England...

, Derbyshire
Poole's Cavern
Poole's Cavern
Poole's Cavern or Poole's Hole is a 2 million year old, natural limestone cave south of Buxton in the Peak District, in the county of Derbyshire, England...

, Derbyshire
Porth Yr Ogof
Porth yr Ogof
Porth yr Ogof is a cave located near the village of Ystradfellte, near the southern boundary of the Brecon Beacons National Park in Wales. In 1998 the cave's passageways had been measured as over 2.25 km in length. Among the cave's fifteen entrances is the largest cave entrance in Wales...

, South Wales
South Wales
South Wales is an area of Wales bordered by England and the Bristol Channel to the east and south, and Mid Wales and West Wales to the north and west. The most densely populated region in the south-west of the United Kingdom, it is home to around 2.1 million people and includes the capital city of...
Pridhamsleigh Cavern
Pridhamsleigh Cavern
Pridhamsleigh Cavern is a cave on the outskirts of Ashburton, Devon, England. It is approximately 1.1 kilometres in length with a total depth of just over 50 m including Prid II....

, Ashburton
Ashburton, Devon
Ashburton is a small town on the edge of Dartmoor in Devon, adjacent to the A38 Devon Expressway.It was formerly important as a stannary town , and remains the largest town within the National Park, with a population of around 3,500...

, Devon
Priddy Green Sink, Mendip Hills
Mendip Hills
The Mendip Hills is a range of limestone hills to the south of Bristol and Bath in Somerset, England. Running east to west between Weston-super-Mare and Frome, the hills overlook the Somerset Levels to the south and the Avon Valley to the north...

, Somerset
Primrose Pot, Mendip hills
Mendip Hills
The Mendip Hills is a range of limestone hills to the south of Bristol and Bath in Somerset, England. Running east to west between Weston-super-Mare and Frome, the hills overlook the Somerset Levels to the south and the Avon Valley to the north...

, Somerset
Radford Cave, near Plymouth, Devon
Redhouse Lane Swallet, Forest of Dean
Forest of Dean
The Forest of Dean is a geographical, historical and cultural region in the western part of the county of Gloucestershire, England. The forest is a roughly triangular plateau bounded by the River Wye to the west and north, the River Severn to the south, and the City of Gloucester to the east.The...

, Gloucestershire
Rhino Rift
Rhino Rift
Rhino Rift is a cave near Charterhouse, in the carboniferous limestone of the Mendip Hills, in Somerset, England. The cave is part of the Cheddar Complex SSSI.It is 253 m in length and reaches a depth of 147 m....

, Mendip Hills
Mendip Hills
The Mendip Hills is a range of limestone hills to the south of Bristol and Bath in Somerset, England. Running east to west between Weston-super-Mare and Frome, the hills overlook the Somerset Levels to the south and the Avon Valley to the north...

, Somerset
Shatter Cave
Shatter Cave
Shatter Cave is a cave in Fairy Cave Quarry, near Stoke St Michael in the limestone of the Mendip Hills, in Somerset, England. It falls within the St...

, Mendip Hills
Mendip Hills
The Mendip Hills is a range of limestone hills to the south of Bristol and Bath in Somerset, England. Running east to west between Weston-super-Mare and Frome, the hills overlook the Somerset Levels to the south and the Avon Valley to the north...

, Somerset
Sidcot Swallet
Sidcot Swallet
Sidcot Swallet is a cave near Burrington Combe, in the carboniferous limestone of the Mendip Hills, in Somerset, England.It was named after the Sidcot School Speleological Society who explored it in 1925....

, Mendip Hills
Mendip Hills
The Mendip Hills is a range of limestone hills to the south of Bristol and Bath in Somerset, England. Running east to west between Weston-super-Mare and Frome, the hills overlook the Somerset Levels to the south and the Avon Valley to the north...

, Somerset
Slaughter Stream Cave
Slaughter Stream Cave
Slaughter Stream Cave also known as Wet Sink is a cave system in the Wye Valley, Forest of Dean.A series of fixed ladders and two pitches lead to sporting streamways, sandy crawls and fossil passages...

, Forest of Dean
Forest of Dean
The Forest of Dean is a geographical, historical and cultural region in the western part of the county of Gloucestershire, England. The forest is a roughly triangular plateau bounded by the River Wye to the west and north, the River Severn to the south, and the City of Gloucester to the east.The...

, Gloucestershire
Smoo Cave
Smoo Cave
Smoo Cave is a large combined sea cave and freshwater cave in Durness in Sutherland, Highland, Scotland.- Geology :Smoo Cave is formed within Early Ordovician dolostones of the Durness Group...

, Sutherland
Sutherland
Sutherland is a registration county, lieutenancy area and historic administrative county of Scotland. It is now within the Highland local government area. In Gaelic the area is referred to according to its traditional areas: Dùthaich 'IcAoidh , Asainte , and Cataibh...
Speedwell Cavern
Speedwell Cavern
The Speedwell Cavern is one of the four show caves in Castleton, Derbyshire, England.It consists of a horizontal lead miners' adit leading to the cavern itself, a limestone cave...

, Derbyshire
St Cuthbert's Swallet
St Cuthbert's Swallet
St Cuthbert's Swallet is the second longest, and most complex, cave on the Mendip Hills, in Somerset, England. It forms a major part of the Priddy Caves system and water entering this swallet re-emerges at Wookey Hole....

, Mendip Hills
Mendip Hills
The Mendip Hills is a range of limestone hills to the south of Bristol and Bath in Somerset, England. Running east to west between Weston-super-Mare and Frome, the hills overlook the Somerset Levels to the south and the Avon Valley to the north...

, Somerset
Stoke Lane Slocker
Stoke Lane Slocker
Stoke Lane Slocker is a cave near Stoke St Michael, in the carboniferous limestone of the Mendip Hills, in the English county of Somerset.It is 2.18km in length and reaches a depth of 30m....

, Mendip Hills
Mendip Hills
The Mendip Hills is a range of limestone hills to the south of Bristol and Bath in Somerset, England. Running east to west between Weston-super-Mare and Frome, the hills overlook the Somerset Levels to the south and the Avon Valley to the north...
Stump Cross Cavern, Yorkshire
Swildon's Hole
Swildon's Hole
Swildon's Hole is an extensive cave in Priddy, Somerset. At in length, it is the longest cave on the Mendip Hills. It has been found to be connected to Priddy Green Sink and forms part of the Priddy Caves Site of Special Scientific Interest ....

, Mendip Hills
Mendip Hills
The Mendip Hills is a range of limestone hills to the south of Bristol and Bath in Somerset, England. Running east to west between Weston-super-Mare and Frome, the hills overlook the Somerset Levels to the south and the Avon Valley to the north...

, Somerset
Thor's Cave
Thor's Cave
Thor's Cave is a natural cavern located at in the Manifold Valley of the White Peak in Staffordshire, England. It is classified as a Karst cave...

, Staffordshire
Thrupe Lane Swallet
Thrupe Lane Swallet
Thrupe Lane Swallet is a 0.5 hectare geological Site of Special Scientific Interest in Somerset, notified in 1992. It is a Geological Conservation Review site.The name Thrupe Lane comes from the nearby hamlet of Thrupe, which in Anglo-Saxon meant dairy farm....

, Mendip Hills
Mendip Hills
The Mendip Hills is a range of limestone hills to the south of Bristol and Bath in Somerset, England. Running east to west between Weston-super-Mare and Frome, the hills overlook the Somerset Levels to the south and the Avon Valley to the north...

, Somerset
Titan
Titan (cave)
Titan is a natural cavern near Castleton in the Derbyshire Peak District, and is the deepest shaft of any known cave in Britain, at . The existence of Titan was revealed in November 2006, following its discovery on 1 January 1999 after cavers discovered connections from the James Hall Over Engine...

, Derbyshire
Treak Cliff Cavern
Treak Cliff Cavern
Treak Cliff Cavern is a show cave near Castleton in Derbyshire. It is part of the Castleton Site of Special Scientific Interest and by agreement with English Nature all the Blue John stone deposits on the visitor route are preserved. However, Blue John is regularly mined from areas not seen by...

, Derbyshire
Upper Flood Swallet
Upper Flood Swallet
Upper Flood Swallet which was originally known as Blackmoor Flood Swallet, is a cave near Charterhouse, in the carboniferous limestone of the Mendip Hills, in Somerset, England. The cave is part of the Cheddar Complex SSSI....

, Mendip Hills
Mendip Hills
The Mendip Hills is a range of limestone hills to the south of Bristol and Bath in Somerset, England. Running east to west between Weston-super-Mare and Frome, the hills overlook the Somerset Levels to the south and the Avon Valley to the north...

, Somerset
West Wycombe Caves
West Wycombe Caves
West Wycombe Caves are a network of man-made chalk and flint caverns which extend one quarter of a mile underground, situated above the village of West Wycombe, at the southern edge of the Chiltern Hills near High Wycombe in Buckinghamshire, Southeast England.They were excavated between 1748 and...

, Buckinghamshire
Wigmore Swallet, Mendip Hills
Mendip Hills
The Mendip Hills is a range of limestone hills to the south of Bristol and Bath in Somerset, England. Running east to west between Weston-super-Mare and Frome, the hills overlook the Somerset Levels to the south and the Avon Valley to the north...

, Somerset
Withyhill Cave, Mendip Hills
Mendip Hills
The Mendip Hills is a range of limestone hills to the south of Bristol and Bath in Somerset, England. Running east to west between Weston-super-Mare and Frome, the hills overlook the Somerset Levels to the south and the Avon Valley to the north...

, Somerset
Wookey Hole Caves, Mendip Hills
Mendip Hills
The Mendip Hills is a range of limestone hills to the south of Bristol and Bath in Somerset, England. Running east to west between Weston-super-Mare and Frome, the hills overlook the Somerset Levels to the south and the Avon Valley to the north...

, Somerset

Australia

Mount Etna Caves National Park
Mount Etna Caves National Park
Mount Etna Caves is a national park in Queensland, Australia, 544 km northwest of Brisbane. The parks caves are the roosting site for more than 80 percent of Australia's breeding population of Little Bent-wing Bats. It is also one of the few places in Australia supporting a colony of the...

, Queensland
Naracoorte Caves, South Australia
Jenolan Caves
Jenolan Caves
The Jenolan Caves are caves in the Blue Mountains, New South Wales, Australia; 175 kilometres west of Sydney. They are the most celebrated of several similar groups in the limestone of the country being the oldest discovered open caves in the world...

, Blue Mountains, New South Wales
Buchan Caves
Buchan Caves
The Buchan Caves are a group of caves that include Royal Cave and Fairy Cave, located in Buchan, Victoria, with limestone formations created by underground rivers cutting through limestone rock almost 400 million years ago...

, Snowy Mountains
Snowy Mountains
The Snowy Mountains, known informally as "The Snowies", are the highest Australian mountain range and contain the Australian mainland's highest mountain, Mount Kosciuszko, which reaches 2,228 metres AHD, approximately 7310 feet....

, Victoria

New Zealand

Aurora Cave
Aurora Cave
Aurora Cave is a limestone cave, part of the Te Ana-au Caves in Fiordland, in the South Island of New Zealand on the western side of a deep glacial trough containing Lake Te Anau. Aurora Cave is separated by a sump from Te Ana-au Cave . The cave has been formed by the Tunnel Burn, which drains from...
Broken River Cave
Broken River Cave
Broken River Cave is a long cave in New Zealand, located on State Highway 73. It is from Arthur's Pass and from Christchurch.It is a popular site for passing tourists, however in spring and during heavy rains it can be dangerous to enter the cave. There have been two deaths in the cave, one due...
Bulmer Cavern
Bulmer Cavern
Bulmer Cavern is New Zealand's longest cave system, running for 66 km through Mount Owen in the Tasman region of the northwest South Island...
Cathedral Caves
Cathedral Caves
The Cathedral Caves are a series of sea caves on the Catlins Coast in New Zealand. They are one of the most popular tourist attractions in the area. The two main caves join together within the cliff, and one has a 30 m high ceiling....
Cracroft Caverns
Cracroft Caverns
Cracroft Caverns, also known as the Cashmere Caverns, are a series of large chambers in the hill of the Cashmere suburb of Christchurch, New Zealand....
Gardner's Gut
Gardner's Gut
Gardner's Gut is an extensive cave system in the Waitomo area of New Zealand. It is located in the Ruakuri Caves & Bush Scenic Reserve, an area that also contains a number of other natural features of note. The reserve is administered by New Zealand's Department of Conservation...
Harwood Hole
Harwood Hole
Harwood Hole is a cave system located in the northwest of the South Island of New Zealand. It is one of several important cave systems in Takaka Hill, between Golden Bay and Tasman Bay. Starting at the surface as a 50 metre round entrance and descending 183 metres, Harwood Hole is New Zealand's...
Maori Leap Cave
Mangapu Cave
Nettlebed Cave
Nettlebed Cave
Nettlebed Cave is a limestone cave located in the Mount Arthur region of the northwest South Island of New Zealand.Until April 2010, when the nearby Ellis Basin cave system was found to be deeper, Nettlebed Cave was thought to be the deepest cave system in the southern hemisphere...
Riwaka Resurgence
Riwaka River
The Riwaka River is located in the Nelson region in the northwest of New Zealand's South Island. It flows for 20 kilometres, entering Tasman Bay close to the town of Riwaka, 10 kilometres north of Motueka....
Ruakuri Cave
Te Ana-au Caves
Te Ana-au Caves
The Te Ana-au caves are a culturally and ecologically important system of limestone caves on the western shore of Lake Te Anau, in the southwest of New Zealand. It was discovered in 1948 by Lawson Burrows, who found the upper entry after three years of searching, following clues in old Māori legends...
Waipu Caves
Waitomo Caves
Waitomo Caves
The Waitomo Caves are a village and cave system forming a major tourist attraction in the southern Waikato region of the North Island of New Zealand, 12 kilometres northwest of Te Kuiti. The community of Waitomo Caves itself is very small, though the village has many temporary service workers...
Waitomo Glowworm Cave
Waitomo Glowworm Cave
The Waitomo Glowworm Caves attraction is a cave at Waitomo on the North Island of New Zealand, known for its population of glowworms, Arachnocampa luminosa. These glowworms are found exclusively in New Zealand and around the size of an average mosquito...

Papua New Guinea

Atea Kananda Cave
Atea Cave
The Atea Cave is a very large cave at the base of a 300m deep doline in the highlands of Papua New Guinea. It is the second longest cave on the island....

, Southern Highlands
Triosaurus Cave, Nakanai Mountains, New Britain
New Britain
New Britain, or Niu Briten, is the largest island in the Bismarck Archipelago of Papua New Guinea. It is separated from the island of New Guinea by the Dampier and Vitiaz Straits and from New Ireland by St. George's Channel...

Belize

Actun Box Ch'iich'
Actun Box Ch'iich'
At -183m, Actun Box Ch'iich' is the deepest cave in the country of Belize. Located above Roaring Creek in the Cayo District, it is one of several caves explored and documented by British and Canadian cavers during a three-week expedition in 1989. The cave contains a small stream and has both an...
Actun Chapat
Actun Halal
Actun Tunichil Muknal
Actun Tunichil Muknal
thumb|200px|The Crystal Maiden.Actun Tunichil Muknal is a cave in Belize, near San Ignacio, Cayo District, notable as a Maya archaeological site that includes skeletons, ceramics, and stoneware. There are several areas of skeletal remains in the main chamber...
Chiquibul Cave System
Chiquibul Cave System
The Chiquibul Cave System is one of the largest and best-known cave systems in Central America. It consists of four distinct caves along the course of the Chiquibul River; Actun Kabal, Actun Tun Kul and Cebada Cave in Belize, and Xibalba in Guatemala, as well as several other smaller associated...

includes Tun Kul, Cebada Cave, Actun Kabal Group
Barton Creek Cave
Barton Creek Cave
Barton Creek Cave is a natural cave in Belize, known as both an archaeological site and as a tourist destination. It is located near San Ignacio in the Cayo District.- Physical description :...

Canada

Arctomys Cave
Arctomys Cave
Arctomys Cave is a cave in Trio Mountain above the Moose River Valley in Mount Robson Provincial Park in the Rocky Mountains of British Columbia...

in Mount Robson Provincial Park
Mount Robson Provincial Park
Mount Robson Provincial Park is a large provincial park in the Canadian Rockies with an area of 2,249 km². The park is located entirely within British Columbia, bordering Jasper National Park in Alberta. The B.C. legislature created the park in 1913, the same year as the first ascent of Mount...

, British Columbia
Artlish River Cave on Vancouver Island
Vancouver Island
Vancouver Island is a large island in British Columbia, Canada. It is one of several North American locations named after George Vancouver, the British Royal Navy officer who explored the Pacific Northwest coast of North America between 1791 and 1794...

, British Columbia
Bonnechere Cave around Bonnechere River
Bonnechere River
The Bonnechere River is a river in the Saint Lawrence River drainage basin in Nipissing District and Renfrew County in eastern and northeastern Ontario, Canada. The river flows from Algonquin Provincial Park to the Ottawa River east and north of the town of Renfrew...

, Ontario
Cadomin Cave
Cadomin Cave
Cadomin Cave is a natural limestone cave in the Canadian Rockies near the town of Cadomin, Alberta.-Physical description and setting:Cadomin Cave is located within Leyland Mountain at an elevation of 1890m, and was formed within the thickly-bedded limestones of the Palliser Formation...

near Hinton
Hinton, Alberta
Hinton is a town in west-central Alberta, Canada.It is located in Yellowhead County, northeast of Jasper and about west of Alberta's capital city, Edmonton, at the intersection of Yellowhead and Bighorn Highway, in the Athabasca River valley.-History:...

, Alberta
Canyon Creek Ice Cave
Canyon Creek Ice Cave
Canyon Creek Ice Cave, also known as Bragg Creek Ice Cave or Moose Mountain Ice Cave, is a small ice cave in limestone located in Kananaskis Country near the community of Bragg Creek, Alberta, Canada. Known to natives through prehistory, its 'discovery' is attributed to Stan Fullerton in 1905...

near Bragg Creek
Bragg Creek, Alberta
Bragg Creek is a hamlet in southern Alberta under the jurisdiction of Rocky View County in Division No. 6. It is also recognized as a designated place by Statistics Canada....

, Alberta
Castleguard Cave
Castleguard Cave
Castleguard Cave is a limestone cave located at the north end of Banff National Park in the Rocky Mountains of Canada. With 20,357m of surveyed passages , it is Canada's longest cave, and its fifth deepest at 384m...

in Banff National Park
Banff National Park
Banff National Park is Canada's oldest national park, established in 1885 in the Rocky Mountains. The park, located 110–180 kilometres west of Calgary in the province of Alberta, encompasses of mountainous terrain, with numerous glaciers and ice fields, dense coniferous forest, and alpine...

, Alberta
Cave and Basin National Historic Site
Cave and Basin National Historic Site
The Cave and Basin National Historic Site of Canada is located in the town of Banff, Alberta within the Canadian Rocky Mountains, at the site of natural thermal mineral springs around which Canada's first national park, Banff National Park, was established....

in Banff National Park
Banff National Park
Banff National Park is Canada's oldest national park, established in 1885 in the Rocky Mountains. The park, located 110–180 kilometres west of Calgary in the province of Alberta, encompasses of mountainous terrain, with numerous glaciers and ice fields, dense coniferous forest, and alpine...

, Alberta
Chipmunk Caves near along the Chilliwack River below Chilliwack Lake
Chilliwack Lake
Chilliwack Lake is a lake in the upper basin of the Chilliwack River southeast of the city of the same name in the Lower Mainland of British Columbia, Canada...
Close To The Edge
Close To The Edge (cave)
Close To The Edge is a significant cave in the Dezaiko Range of the Rocky Mountains in Canada. It is within Close To The Edge Provincial Park and Protected Area about 160km east of Prince George, British Columbia.-Cave setting and form:...

in Close To The Edge Provincial Park and Protected Area
Close To The Edge Provincial Park and Protected Area
Close To The Edge Provincial Park and Protected Area is a provincial park and a protected area in British Columbia, Canada.-History and conservation:...

, Prince George, British Columbia
Prince George, British Columbia
Prince George, with a population of 71,030 , is the largest city in northern British Columbia, Canada, and is known as "BC's Northern Capital"...
Cody Caves
Cody Caves
The Cody Caves are a network of limestone caves in the Selkirk Mountains in British Columbia, Canada. They are located north of Ainsworth Hot Springs on the west side of Kootenay Lake....

near Ainsworth
Ainsworth, British Columbia
Ainsworth or Ainsworth Hot Springs is a historic village on Kootenay Lake in British Columbia, Canada and has a population of 50.Founded on May 31, 1883, it is the oldest surviving community on Kootenay Lake....

, British Columbia
Gargantua
Gargantua (cave)
Gargantua is a limestone cave located on the Andy Good Plateau in British Columbia, Canada. it has 6001 m of passages with a depth of 286 m.. It contains the largest natural cavern in Canada at 290m long, 30m wide and 25m high....

near Crowsnest Pass
Crowsnest Pass, Alberta
The Municipality of Crowsnest Pass is a specialized municipality located in the Crowsnest Pass of the Rocky Mountains in southwest Alberta, Canada. The municipality formed as a result of the amalgamation of five municipalities – the Village of Bellevue, the Town of Blairmore, Town of Coleman, the...

, Alberta
Gumdrop Caves near Sechelt
Hoodoo Cave near Nordegg
Nordegg, Alberta
Nordegg is a hamlet in west-central Alberta, Canada within Clearwater County. It is located in the North Saskatchewan River valley in the foothills of the Canadian Rockies, at the crossroads of David Thompson Highway and the Highway 734 spur of the Bighorn Highway.- History :The community was...

, Alberta
Horne Lake Caves on Vancouver Island
Vancouver Island
Vancouver Island is a large island in British Columbia, Canada. It is one of several North American locations named after George Vancouver, the British Royal Navy officer who explored the Pacific Northwest coast of North America between 1791 and 1794...

, British Columbia
Rat's Nest Cave near Canmore
Canmore, Alberta
Canmore is a town in Alberta, Canada, located approximately west of the City of Calgary near the southeast boundary of Banff National Park. It is located in the Bow Valley within Alberta's Rockies. The town shares a border with Kananaskis Country to the west and south and the Municipal District of...

, Alberta
Scenic Caves near Collingwood
Collingwood, Ontario
Collingwood is a town in Simcoe County, Ontario, Canada. Geographically, it is situated on Nottawasaga Bay at the southern point of Georgian Bay.-History:...

, Ontario
Site cavernicole de Saint-Léonard in Saint Léonard, Montreal, Quebec
Slesse Creek Caves near Slesse Creek
Slesse Creek
Slesse Creek is a creek in Whatcom County, Washington and British Columbia. It is a tributary of the Chilliwack River and is known as Silesia Creek south of the border and Slesse Creek north of it.-East Fork:...
Thanksgiving Cave on Vancouver Island
Vancouver Island
Vancouver Island is a large island in British Columbia, Canada. It is one of several North American locations named after George Vancouver, the British Royal Navy officer who explored the Pacific Northwest coast of North America between 1791 and 1794...

, British Columbia
Trou du Diable
Trou du Diable
The Trou du Diable is a cave situated in St-Casimir, in the province of Quebec, Canada. On the CanMatrix System , you can find the Trou du Diable on the map Grondines at the coordinates 22207325....

in St-Casimir
Saint-Casimir, Quebec
Saint-Casimir is a small village of about 1800 people in the Portneuf Regional County Municipality in the province of Quebec, Canada. It is located on the Sainte-Anne River, about southwest of Quebec City and northeast of Trois-Rivières....

, Quebec
Trou des Perdus in St-Michel-du-Squatec
Saint-Michel-du-Squatec, Quebec
Saint-Michel-du-Squatec is a parish municipality in the Canadian province of Quebec, located in the Témiscouata Regional County Municipality....

, Quebec
Wapiabi Cave near Nordegg
Nordegg, Alberta
Nordegg is a hamlet in west-central Alberta, Canada within Clearwater County. It is located in the North Saskatchewan River valley in the foothills of the Canadian Rockies, at the crossroads of David Thompson Highway and the Highway 734 spur of the Bighorn Highway.- History :The community was...

, Alberta
Warsaw Caves near Warsaw, Ontario

Guatemala

Actún Can Cave in Flores
Flores
Flores is one of the Lesser Sunda Islands, an island arc with an estimated area of 14,300 km² extending east from the Java island of Indonesia. The population was 1.831.000 in the 2010 census and the largest town is Maumere. Flores is Portuguese for "flowers".Flores is located east of Sumbawa...

, El Petén
B'onb'il Pek Cave in Chisec
Chisec
Chisec is a municipality in the north of the Guatemalan department of Alta Verapaz that was founded in 1813. It is situated at 230m above sea level at . The municipality covers a territory of 1488 km². Approximately 95% of the municipality's inhabitants are Mayan, spread over the town of...

, Alta Verapaz
Alta Verapaz
Alta Verapaz is a department in the north central part of Guatemala. The capital and chief city of the department is Cobán. Verapaz is bordered to the north by El Petén, to the east by Izabal, to the south by Zacapa, El Progreso, and Baja Verapaz, and to the west by El Quiché.Also in Alta Verapaz...
Chicoy Cave in Purulhá
Purulhá
Purulhá is a municipality in the Baja Verapaz department of Guatemala. It is situated at 1570 m above sea level. It contains 36,600 people. It covers a terrain of 248 km². The annual festival is June 10-June 13.-External links:*...

, Alta Verapaz
Candelaria Caves
Candelaria Caves
The Candelaria caves is the name of a large natural cave system in the municipalities of Chisec and Raxruha in Guatemala. The main gallery has a length of 22 km, of which 12.5 km follows the underground passage of the Candelaria River. The total length of the cave system, including coulisses,...

in Chisec, Alta Verapaz
Ixobel Cave in Poptún
Poptún
Poptún is a municipality in the El Petén department of Guatemala. It contains 30,386 people. It is some 385 km from Guatemala City.Since 1989, Military Zone 23 in Poptún has been the home of the Guatemalan Army's élite Kaibiles special operations force....

, El Petén
Jobitzinaj Cave in Flores, El Petén
Jul Mas Nim
K'an Ba Cave in Lanquín
Lanquín
Lanquín is a municipality in the Guatemalan department of Alta Verapaz. It is situated at 380 m above sea level. It contains 16,500 people, many of Q'eqchi' Maya descent...

, Alta Verapaz
Grutas de Lanquín
Grutas de Lanquín
Grutas de Lanquín is a large limestone cave system located west of Lanquín in Alta Verapaz, Guatemala.The Lanquín cave system was declared a national park in 1955....

in Lanquín, Alta Verapaz
Las Minas Cave in Esquipulas
Esquipulas
Esquipulas is a town in the Guatemalan departmentof Chiquimula on the border with Honduras. It serves as the municipal seat for the surrounding municipality of the same name...

, Chiquimula
Chiquimula
Chiquimula is a city in Guatemala. It serves both as the capital of the department of Chiquimula and as the municipal seat for the surrounding municipality of the same name....
Naj Tunich
Naj Tunich
Naj Tunich is a natural cave and an important archaeological site in Guatemala.The discovery of the Naj Tunich caves, in Poptún southern Peten, Guatemala, in 1979 initiated the interest for Cave Archeology among Mayanists...

in Poptún, El Petén
Grutas del Rey San Marcos in San Juan Chamelco
San Juan Chamelco
San Juan Chamelco is a municipality in the Guatemalan department of Alta Verapaz. It is situated at 135 m above sea level. It covers a terrain of 80 km². The annual festival is on June 24.-External links:*...

, Alta Verapaz
Cuevas del Silvino
Cuevas del Silvino
Cuevas del Silvino is a limestone cave system in Guatemala. It is located at km 260 on the road connecting Guatemala City to Puerto Barrios, in the municipality of Morales in the department of Izabal....

in Morales
Morales, Guatemala
Morales is a municipality in Izabal Department of Guatemala.The municipality was created in 1920 and is formed by the town of Morales, 9 villages and 56 rural communities.The Cuevas del Silvino National Park is located a few kilometers north-east of Morales....

, Izabal
Grutas de Uaxactún in El Petén
Xibalba, see Chiquibul Cave System
Chiquibul Cave System
The Chiquibul Cave System is one of the largest and best-known cave systems in Central America. It consists of four distinct caves along the course of the Chiquibul River; Actun Kabal, Actun Tun Kul and Cebada Cave in Belize, and Xibalba in Guatemala, as well as several other smaller associated...

Mexico

Balank'anche Cave (Yucatán
Yucatán
Yucatán officially Estado Libre y Soberano de Yucatán is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is divided in 106 municipalities and its capital city is Mérida....

) Mayan
Maya civilization
The Maya is a Mesoamerican civilization, noted for the only known fully developed written language of the pre-Columbian Americas, as well as for its art, architecture, and mathematical and astronomical systems. Initially established during the Pre-Classic period The Maya is a Mesoamerican...

place of worship of Rain God and Xipe Totec
Xipe Totec
In Aztec mythology and religion, Xipe Totec was a life-death-rebirth deity, god of agriculture, vegetation, the east, disease, spring, goldsmiths, silversmiths and the seasons. Xipe Totec was also known by the alternative names Tlatlauhca, Tlatlauhqui Tezcatlipoca and Youalahuan...

with Toltec
Toltec
The Toltec culture is an archaeological Mesoamerican culture that dominated a state centered in Tula, Hidalgo in the early post-classic period of Mesoamerican chronology...

-Style censer
Censer
Censers are any type of vessels made for burning incense. These vessels vary greatly in size, form, and material of construction. They may consist of simple earthenware bowls or fire pots to intricately carved silver or gold vessels, small table top objects a few centimetres tall to as many as...

s
Cacahuamilpa Cave (Grutas de Cacahuamilpa National Park
Grutas de Cacahuamilpa National Park
The Grutas de Cacahuamilpa National Park in Guerrero, Mexico, is best known for the Grutas de Cacahuamilpa Caverns, which are one of the largest cave systems in the world. It is also home to the Grutas of Carlos Pacheco, a smaller system, as well as two subterranean rivers which have carved out...

, Guerrero
Guerrero
Guerrero officially Estado Libre y Soberano de Guerrero is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is divided in 81 municipalities and its capital city is Chilpancingo....

)
Coxcatlan Cave
Coxcatlan Cave
Coxcatlan Cave is a Mesoamerican archaeological site in the Tehuacán Valley of Puebla, Mexico. It was discovered by Richard MacNeish in the 1960s during a survey of the Tehuacán Valley...

(Tehuacan Valley, Puebla
Puebla
Puebla officially Estado Libre y Soberano de Puebla is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is divided in 217 municipalities and its capital city is Puebla....

) 5000-3400 B.C.
Chevé Cave
Chevé Cave
Chevé Cave is a deep cave located in the Sierra Juárez mountain range in Oaxaca state, Mexico. As of 2003, its deepest point has been measured at deep. It currently holds the distinction of being the deepest cave in the Americas, and one of the deepest caves in the world. Temperatures in Chevé...

(Oaxaca
Oaxaca
Oaxaca , , officially Estado Libre y Soberano de Oaxaca is one of the 31 states which, along with the Federal District, comprise the 32 federative entities of Mexico. It is divided into 571 municipalities; of which 418 are governed by the system of customs and traditions...

) deepest cave in the Americas
Chiquihuitillos
Chiquihuitillos
Chiquihuitillos is an archeological site located in the city and municipality of Mina in the Nuevo León State, México. In general throughout northeastern Mexico archaeological wealth is priceless...

(Nuevo León
Nuevo León
Nuevo León It is located in Northeastern Mexico. It is bordered by the states of Tamaulipas to the north and east, San Luis Potosí to the south, and Coahuila to the west. To the north, Nuevo León has a 15 kilometer stretch of the U.S.-Mexico border adjacent to the U.S...

)
Grutas de Bustamante (Nuevo León
Nuevo León
Nuevo León It is located in Northeastern Mexico. It is bordered by the states of Tamaulipas to the north and east, San Luis Potosí to the south, and Coahuila to the west. To the north, Nuevo León has a 15 kilometer stretch of the U.S.-Mexico border adjacent to the U.S...

)
Grutas de García
Grutas de García
Grutas de García are located 9 kilometers outside the small town of García, Nuevo León in northern Mexico about 30 km from Monterrey. The caves are inside the famous mountain, El Fraile within the Cumbres de Monterrey National Park....

(Nuevo León
Nuevo León
Nuevo León It is located in Northeastern Mexico. It is bordered by the states of Tamaulipas to the north and east, San Luis Potosí to the south, and Coahuila to the west. To the north, Nuevo León has a 15 kilometer stretch of the U.S.-Mexico border adjacent to the U.S...

)
Sistema Dos Ojos (Quintana Roo
Quintana Roo
Quintana Roo officially Estado Libre y Soberano de Quintana Roo is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is divided in 10 municipalities and its capital city is Chetumal....

) underwater cave system
Guila Naquiz Cave (Oaxaca
Oaxaca
Oaxaca , , officially Estado Libre y Soberano de Oaxaca is one of the 31 states which, along with the Federal District, comprise the 32 federative entities of Mexico. It is divided into 571 municipalities; of which 418 are governed by the system of customs and traditions...

) ca. 8000-6700 B.C.
Sistema Huautla (Oaxaca
Oaxaca
Oaxaca , , officially Estado Libre y Soberano de Oaxaca is one of the 31 states which, along with the Federal District, comprise the 32 federative entities of Mexico. It is divided into 571 municipalities; of which 418 are governed by the system of customs and traditions...

)
Juxtlahuaca Cave (Guerrero
Guerrero
Guerrero officially Estado Libre y Soberano de Guerrero is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is divided in 81 municipalities and its capital city is Chilpancingo....

) Olmec
Olmec
The Olmec were the first major Pre-Columbian civilization in Mexico. They lived in the tropical lowlands of south-central Mexico, in the modern-day states of Veracruz and Tabasco....

-style paintings
Loltun Cave
Loltun Cave
Loltun Cave is a cave in the Yucatán, approximately south of Oxkutzcab. The cave contains paintings attributed to the Maya civilization from the Late Preclassic Era or even older...

(Yucatán
Yucatán
Yucatán officially Estado Libre y Soberano de Yucatán is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is divided in 106 municipalities and its capital city is Mérida....

) Mayan
Maya civilization
The Maya is a Mesoamerican civilization, noted for the only known fully developed written language of the pre-Columbian Americas, as well as for its art, architecture, and mathematical and astronomical systems. Initially established during the Pre-Classic period The Maya is a Mesoamerican...

paintings
Naica Crystal Caves (Chihuahua) largest gypsum crystals in the world
Nogales Cave (Tamaulipas
Tamaulipas
Tamaulipas officially Estado Libre y Soberano de Tamaulipas is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is divided in 43 municipalities and its capital city is Ciudad Victoria. The capital city was named after Guadalupe Victoria, the...

) ca. 5000-3000 B.C.
Oxtotitlan Cave (Guerrero
Guerrero
Guerrero officially Estado Libre y Soberano de Guerrero is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is divided in 81 municipalities and its capital city is Chilpancingo....

) Olmec-style paintings
La Perra Cave (Tamaulipas
Tamaulipas
Tamaulipas officially Estado Libre y Soberano de Tamaulipas is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is divided in 43 municipalities and its capital city is Ciudad Victoria. The capital city was named after Guadalupe Victoria, the...

) ca. 3000-2200 B.C.
Sistema Nohoch Nah Chich (Quintana Roo
Quintana Roo
Quintana Roo officially Estado Libre y Soberano de Quintana Roo is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is divided in 10 municipalities and its capital city is Chetumal....

) underwater cave system; subsumed into Sac Actun in early 2007
Sistema Ox Bel Ha
Sistema Ox Bel Ha
Ox Bel Ha is a cave system in Quintana Roo, Mexico. It is the longest explored underwater cave in the world and ranking no. 4 including dry caves. As of October 2011 the surveyed length is of underwater passages....

(Quintana Roo
Quintana Roo
Quintana Roo officially Estado Libre y Soberano de Quintana Roo is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is divided in 10 municipalities and its capital city is Chetumal....

) world's second longest underwater cave system
Sistema Sac Actun (Quintana Roo
Quintana Roo
Quintana Roo officially Estado Libre y Soberano de Quintana Roo is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is divided in 10 municipalities and its capital city is Chetumal....

) world's longest underwater cave system
Sótano de las Golondrinas – Cave of Swallows
Cave of Swallows
The Cave of Swallows, also called Cave of the Swallows , is an open air pit cave in the Municipality of Aquismón, San Luis Potosí, Mexico. The elliptical mouth, on a slope of karst, is wide and is undercut around all its perimeter, further widening to a room approximately 995 feet by 440 feet wide...

(San Luis Potosí
San Luis Potosí
San Luis Potosí officially Estado Libre y Soberano de San Luis Potosí is one of the 31 states which, with the Federal District, comprise the 32 Federal Entities of Mexico. It is divided in 58 municipalities and its capital city is San Luis Potosí....

)

United States of America

Alabaster Caverns, Oklahoma
Oklahoma
Oklahoma is a state located in the South Central region of the United States of America. With an estimated 3,751,351 residents as of the 2010 census and a land area of 68,667 square miles , Oklahoma is the 28th most populous and 20th-largest state...
Ape Cave
Ape Cave
Ape Cave is a lava tube located in Gifford Pinchot National Forest just to the south of Mount St. Helens in Washington state. Its passageway is the longest continuous lava tube in the continental United States, at . Ape Cave is a popular hiking destination with beautiful views of the Mount St....

, Washington (lava tube
Lava tube
Lava tubes are natural conduits through which lava travels beneath the surface of a lava flow, expelled by a volcano during an eruption. They can be actively draining lava from a source, or can be extinct, meaning the lava flow has ceased and the rock has cooled and left a long, cave-like...

)
Arnold Lava Tube System
Arnold Lava Tube System
The Arnold Lava Tube System is series of lava tubes within Deschutes County, Oregon, of the United States. It is located several miles southeast of the city of Bend. The system starts within the Deschutes National Forest on the northern flank of Newberry Volcano, heads northeast onto BLM land...

, Oregon
Oregon
Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...
Baker Cave, Texas
Baker Cave, Texas
Baker Cave is a prehistoric archaeological site located on a small canyon near Devils River in Southwest Texas. Dating from ca. 7,000–7,800 BCE, Baker Cave is a part of a system of rock shelters in the Lower Pecos Canyons region and was 120 feet long by 56 feet deep...
Bear Cave, Michigan
Michigan
Michigan is a U.S. state located in the Great Lakes Region of the United States of America. The name Michigan is the French form of the Ojibwa word mishigamaa, meaning "large water" or "large lake"....
Big Bone Cave
Big Bone Cave
Big Bone Cave is a cave located in Van Buren County, Tennessee in the community of Bone Cave. It is notable both for its history and current recreational use. It is listed on the National Register of Historic Places and is a State Natural Area managed by Rock Island State Park . It is named for...

, Tennessee
Tennessee
Tennessee is a U.S. state located in the Southeastern United States. It has a population of 6,346,105, making it the nation's 17th-largest state by population, and covers , making it the 36th-largest by total land area...
Blanchard Springs Caverns
Blanchard Springs Caverns
Blanchard Springs Caverns is a cave system located in the Ozark National Forest in Stone County in northern Arkansas, 2 miles off Highway 14 a short distance north of Mountain View. Blanchard Springs Caverns is a three-level cave system, two of which are open for guided tours. The Dripstone Trail...

, Arkansas
Arkansas
Arkansas is a state located in the southern region of the United States. Its name is an Algonquian name of the Quapaw Indians. Arkansas shares borders with six states , and its eastern border is largely defined by the Mississippi River...
Black Chasm Cavern, California
Bluespring Caverns
Bluespring Caverns
Bluespring Caverns is a cave system located in Lawrence County, Indiana, approximately 80 miles south of Indianapolis. The cave system is a karst and river type cave formation and drains a 15 miles² sinkhole plain...

, Indiana
Indiana
Indiana is a US state, admitted to the United States as the 19th on December 11, 1816. It is located in the Midwestern United States and Great Lakes Region. With 6,483,802 residents, the state is ranked 15th in population and 16th in population density. Indiana is ranked 38th in land area and is...
Boyden Cavern, California
Bridal Cave
Bridal Cave
Bridal Cave is a cave located near Camdenton, Missouri. It received the name due to a legend that a couple married there in the early 19th century. Since then, over 2,000 couples have married there....

, Missouri
Missouri
Missouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...
Bronson Caverns, California
Butter Cave, Washington
California Caverns
California Caverns
The California Caverns, in Cave City, are a series of caverns that are one of the earliest officially recorded caves in the Mother Lode region of California...

, California
Carlsbad Caverns
Carlsbad Caverns National Park
Carlsbad Caverns National Park is a United States National Park in the Guadalupe Mountains in southeastern New Mexico. The primary attraction of the park for most visitors is the show cave, Carlsbad Caverns...

, New Mexico
New Mexico
New Mexico is a state located in the southwest and western regions of the United States. New Mexico is also usually considered one of the Mountain States. With a population density of 16 per square mile, New Mexico is the sixth-most sparsely inhabited U.S...
Cascade Caverns, Texas
Cave Without a Name
Cave Without a Name
The Cave Without a Name is a limestone solutional cave located 11 miles northeast of Boerne, Texas off FM 474 and Kreutzberg Road, less than from downtown San Antonio, Texas. It has been commercially operated as a show cave and open for public tours since 1939...

, Texas
Castleguard Cave
Castleguard Cave
Castleguard Cave is a limestone cave located at the north end of Banff National Park in the Rocky Mountains of Canada. With 20,357m of surveyed passages , it is Canada's longest cave, and its fifth deepest at 384m...

, Colorado
Colorado
Colorado is a U.S. state that encompasses much of the Rocky Mountains as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains...
Cathedral Caverns State Park
Cathedral Caverns State Park
Cathedral Caverns State Park is located in northern Marshall County, Alabama, southeast of the town of Woodville. The cave is located in Kennamer Cove. The cave is also just from Grant. The cave was originally named Bats Cave. The cave was first developed as an attraction by Jay Gurley in the late...

, Alabama
Alabama
Alabama is a state located in the southeastern region of the United States. It is bordered by Tennessee to the north, Georgia to the east, Florida and the Gulf of Mexico to the south, and Mississippi to the west. Alabama ranks 30th in total land area and ranks second in the size of its inland...
Cave of the Mounds
Cave of the Mounds
Cave of the Mounds, a natural limestone cave located near Blue Mounds, Wisconsin, USA, is named for two nearby hills called the Blue Mounds. It is located in the southern slope of the east hill. The cave's beauty comes from its many varieties of mineral formations called speleothems...

, Wisconsin
Wisconsin
Wisconsin is a U.S. state located in the north-central United States and is part of the Midwest. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michigan to the northeast, and Lake Superior to the north. Wisconsin's capital is...
Cave of the Winds
Cave of the Winds (Colorado)
Cave of the Winds is a cave in the Pikes Peak region of Colorado. It is located just west of Colorado Springs on US Highway 24, near the Manitou Cliff Dwellings. Tours of the complex of caves are given daily.-Silent Splendor:...

, Colorado Springs, Colorado
Colorado Springs, Colorado
Colorado Springs is a Home Rule Municipality that is the county seat and most populous city of El Paso County, Colorado, United States. Colorado Springs is located in South-Central Colorado, in the southern portion of the state. It is situated on Fountain Creek and is located south of the Colorado...
Cheese Cave
Cheese Cave
Cheese Cave is a lava tube located in Gifford Pinchot National Forest just southwest of Trout Lake, Washington. It is approximately in length, a mostly flat floor wide and is to high....

, Washington
Christmas Tree Cave, Washington
Clarksville Cave
Clarksville Cave
Clarksville Cave is a cave in Clarksville, Albany County, New York.Clarksville Cave is a horizontal cave system with of passage and three entrances.-History:The history of Clarksville Cave is one of the longest of any cave in New York...

, New York
Colossal Cave (Arizona)
Colossal Cave (Arizona)
Colossal Cave is a large cave system in southeastern Arizona, near the community of Vail, approximately 22 miles SE of Tucson. It contains about of mapped passageways, and was discovered by Soloman Lick in 1879...

, Arizona
Arizona
Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...
Cosmic Cavern
Cosmic Cavern
Cosmic Cavern is a limestone cave located in north Arkansas, near the town of Berryville, Arkansas. One brochure for the cave touts it as "Arkansas' Most Beautifully Decorated Cave." It is the "warmest" cave in the Ozarks, having a high humidity holding at a constant 62 degrees year-round...

, Arkansas
Arkansas
Arkansas is a state located in the southern region of the United States. Its name is an Algonquian name of the Quapaw Indians. Arkansas shares borders with six states , and its eastern border is largely defined by the Mississippi River...
Crystal Cave (disambiguation), any of several caves in Missouri, Ohio
Crystal Cave (Ohio)
The Crystal Cave is a limestone cave located in Put-in-Bay, Ohio, a small town on South Bass Island in Lake Erie, with walls that display large crystals. It is also the world's largest known geode....

, Pennsylvania
Crystal Cave (Pennsylvania)
Crystal Cave is a cave in Kutztown, Pennsylvania, United States, the heart of Pennsylvania Dutch Country. It has been visited by millions of people since its discovery on November 12, 1871. It was found by Gideon Merkel and John Gehret. Greenwich Township farmer Samuel D. F. Kohler bought of land,...

, Wisconsin
Crystal Cave (Wisconsin)
Crystal Cave is a cave in Wisconsin's Pierce County, approximately 1 mile southwest of Spring Valley. Discovered by accident in 1881 by William Vanasse, the cave was formed by underground erosion of the Prairie du Chien dolomite. During the school year, the cave is a popular destination for school...

, Kentucky's Mammoth Cave National Park
Mammoth Cave National Park
Mammoth Cave National Park is a U.S. National Park in central Kentucky, encompassing portions of Mammoth Cave, the longest cave system known in the world. The official name of the system is the Mammoth-Flint Ridge Cave System for the ridge under which the cave has formed. The park was established...

and California's Sequoia National Park
Crystal Cave (Sequoia National Park)
Crystal Cave is a marble cave in Sequoia National Park, in the U.S. state of California. It is one of at least 240 known caves in the park.It is in the Giant Forest region, between the Ash Mountain entrance of the park and Giant Forest....
Crystal Lake Cave, Dubuque, Iowa
Dubuque, Iowa
Dubuque is a city in and the county seat of Dubuque County, Iowa, United States, located along the Mississippi River. In 2010 its population was 57,637, making it the ninth-largest city in the state and the county's population was 93,653....
Crystal Cavern
Crystal Cavern
Crystal Cavern is a small cavern located in Clay, Alabama, USA, on property once owned by Mr. Larry Shirley. In the early 1990s a steel gate was put up with signage saying it was Alabama Power property and unauthorized entry was illegal.According to Mr...

, Alabama
Alabama
Alabama is a state located in the southeastern region of the United States. It is bordered by Tennessee to the north, Georgia to the east, Florida and the Gulf of Mexico to the south, and Mississippi to the west. Alabama ranks 30th in total land area and ranks second in the size of its inland...
Cumberland Caverns
Cumberland Caverns
Cumberland Caverns is the second to third longest cave in Tennessee, USA. It has a surveyed length of 27.616 miles , which makes it the 14th longest cave in the United States and the 64th longest cave in the World....

, Tennessee
Tennessee
Tennessee is a U.S. state located in the Southeastern United States. It has a population of 6,346,105, making it the nation's 17th-largest state by population, and covers , making it the 36th-largest by total land area...
Deadhorse Cave, Washington
DeSoto Caverns
DeSoto Caverns
DeSoto Caverns are a series of geologic caves and a tourist attraction located in Childersburg, Talladega County, Alabama. Located in the foothills of the Appalachian Mountains, it is touted as "Alabama's Big Cave"...

, Alabama
Alabama
Alabama is a state located in the southeastern region of the United States. It is bordered by Tennessee to the north, Georgia to the east, Florida and the Gulf of Mexico to the south, and Mississippi to the west. Alabama ranks 30th in total land area and ranks second in the size of its inland...
Diamond Caverns, Kentucky
Kentucky
The Commonwealth of Kentucky is a state located in the East Central United States of America. As classified by the United States Census Bureau, Kentucky is a Southern state, more specifically in the East South Central region. Kentucky is one of four U.S. states constituted as a commonwealth...
Endless Caverns
Endless Caverns
Endless Caverns is a commercial show cave located 3 miles south of New Market, Virginia. The cave is a limestone solution cave.- History :According to the tour operators, the cave was discovered by two boys in October 1879, while hunting rabbits on the property of Ruben Zirkle...

, Virginia
Fantastic Caverns
Fantastic Caverns
Fantastic Caverns is a show cave located in Springfield, Missouri. Fantastic Caverns is the only cave in North America to offer a completely ride-through tour, which lasts 55 minutes and is held in a Jeep-drawn tram. The trams drive along the path left behind by an ancient underground river...

, Missouri
Missouri
Missouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...
Fixin' to Die Cave, Colorado
Colorado
Colorado is a U.S. state that encompasses much of the Rocky Mountains as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains...
Florida Caverns, Florida
Fly Cave, Colorado
Colorado
Colorado is a U.S. state that encompasses much of the Rocky Mountains as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains...
Fort Rock Cave
Fort Rock Cave
Fort Rock Cave was the site of the earliest evidence of human habitation in the U.S. state of Oregon prior to excavation of Paisley Caves. Fort Rock Cave featured numerous well-preserved sagebrush sandals, ranging from 9,000 to 13,000 years old....

, Oregon
Oregon
Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...
Fulford Cave, Colorado
Colorado
Colorado is a U.S. state that encompasses much of the Rocky Mountains as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains...
Gage Cave, New York
Gardner Cave, Washington
Glenwood Caverns
Glenwood Caverns
Glenwood Caverns is an extensive cave system located in Glenwood Springs, Colorado. The Caverns are now part of the Glenwood Caverns Adventure Park, a popular Colorado tourist attraction. The caves are accessed by a cable car ride which takes visitors to the top of Iron Mountain. The park offers...

(Fairy Cave), Glenwood Springs, Colorado
Glenwood Springs, Colorado
The City of Glenwood Springs is a Home Rule Municipality that is the county seat and the most populous city of Garfield County, Colorado, United States. The United States Census Bureau estimated that the city population was 8,564 in 2005...
Grand Caverns
Grand Caverns
Grand Caverns, formerly known as Weyer's Cave, is located in the central Shenandoah Valley near the town of Grottoes, Virginia, USA. A limestone cavern, it claims the distinction of being America's oldest show cave, in operation since 1806....

, Virginia
Virginia
The Commonwealth of Virginia , is a U.S. state on the Atlantic Coast of the Southern United States. Virginia is nicknamed the "Old Dominion" and sometimes the "Mother of Presidents" after the eight U.S. presidents born there...
Grand Canyon Caverns
Grand Canyon Caverns
The Grand Canyon Caverns , located just a few miles east of Peach Springs, Arizona, lie below ground level. They are among the largest of dry caverns in the United States. Dry caverns are a rarity in that as little as 3% of caverns in the world are dry. Because of this fact, stalagmites and...

, Arizona
Arizona
Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...
Great Onyx Cave
Great Onyx Cave
Great Onyx Cave is a cave located in Mammoth Cave National Park in Kentucky, United States. The National Park Service offers a commercial tour of the cave.-Discovery:...

, Kentucky
Kentucky
The Commonwealth of Kentucky is a state located in the East Central United States of America. As classified by the United States Census Bureau, Kentucky is a Southern state, more specifically in the East South Central region. Kentucky is one of four U.S. states constituted as a commonwealth...
Groaning Cave, Colorado
Colorado
Colorado is a U.S. state that encompasses much of the Rocky Mountains as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains...
Guler Ice Cave, Washington
Hellhole
Hellhole
Hellhole is a large, deep and — in the caving community — fabled pit cave in Germany Valley, eastern West Virginia. It is the 11th longest cave in the United States and is home to almost half of the world's population of Virginia big-eared bats...

, West Virginia
West Virginia
West Virginia is a state in the Appalachian and Southeastern regions of the United States, bordered by Virginia to the southeast, Kentucky to the southwest, Ohio to the northwest, Pennsylvania to the northeast and Maryland to the east...
Hidden River Cave, Kentucky
Kentucky
The Commonwealth of Kentucky is a state located in the East Central United States of America. As classified by the United States Census Bureau, Kentucky is a Southern state, more specifically in the East South Central region. Kentucky is one of four U.S. states constituted as a commonwealth...
Horse Lava Tube System
Horse Lava Tube System
The Horse Lava Tube System is a series of lava tubes within Deschutes County, Oregon, of the United States. The system starts within the Deschutes National Forest on the northern flank of Newberry Volcano and heads north into and near the city of Bend...

, Oregon
Oregon
Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...
Howe Caverns
Howe Caverns
Howe Caverns is a cave in Howes Cave, Schoharie County, New York.-Geology:Geologists believe that the formation of the cave, which lies below ground, began several million years ago...

, New York
Illinois Caverns
Illinois Caverns State Natural Area
Illinois Caverns is a state natural area in the New Design Precinct of Monroe County, Illinois. It features Illinois Caverns which is alternatively known as Mammoth Cave of Illinois . Illinois Caverns is the second-largest cave in Illinois and has more than 9.6 km of passages...

, Illinois
Illinois
Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...
Indian Echo Caverns
Indian Echo Caverns
Indian Echo Caverns is a show cave in Derry Township near Hummelstown, Pennsylvania in the United States. The limestone caves are open for the public to visit via guided tour....

, Pennsylvania
Pennsylvania
The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...
Inner Space Caverns, Texas
Jacob's Cave, Missouri
Missouri
Missouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...
Jewel Cave
Jewel Cave National Monument
Jewel Cave National Monument contains Jewel Cave, currently the second longest cave in the world, with just over of mapped passageways. It is located approximately west of the town of Custer in South Dakota's Black Hills...

, South Dakota
South Dakota
South Dakota is a state located in the Midwestern region of the United States. It is named after the Lakota and Dakota Sioux American Indian tribes. Once a part of Dakota Territory, South Dakota became a state on November 2, 1889. The state has an area of and an estimated population of just over...
John Guilday Cave Preserve, West Virginia
West Virginia
West Virginia is a state in the Appalachian and Southeastern regions of the United States, bordered by Virginia to the southeast, Kentucky to the southwest, Ohio to the northwest, Pennsylvania to the northeast and Maryland to the east...
Kartchner Caverns
Kartchner Caverns State Park
Kartchner Caverns State Park is a state park of Arizona, USA, featuring a show cave with of passages. The park is located south of the town of Benson and west of the north-flowing San Pedro River....

, Arizona
Arizona
Arizona ; is a state located in the southwestern region of the United States. It is also part of the western United States and the mountain west. The capital and largest city is Phoenix...
Kazumura Cave
Kazumura Cave
Kazumura Cave is a lava tube and has been surveyed at 40.7 miles long and 3,614 feet deep making it the longest and deepest lava tube in the world. The cave is located on the island of Hawaii on the eastern slope of Kilauea. Kilauea is the most recently active volcano on the Big Island...

, Hawaii (lava tube
Lava tube
Lava tubes are natural conduits through which lava travels beneath the surface of a lava flow, expelled by a volcano during an eruption. They can be actively draining lava from a source, or can be extinct, meaning the lava flow has ceased and the rock has cooled and left a long, cave-like...

)
Knox Cave, New York
Lake cave, Washington, Lava Tube
Lake Shasta Caverns
Lake Shasta Caverns
The Lake Shasta Caverns are a network of caves located near the McCloud arm of Shasta Lake in California. It was formerly named Chalk Cave and Baird Cave, named after Spencer Fullerton Baird.-History:...

, California
Laurel Caverns
Laurel Caverns
Laurel Caverns, formerly known as Dulaney's Cave and Laurel Hill Cave, is the largest cave in Pennsylvania. Located in Farmington, Pennsylvania; it sits on Chestnut Ridge near Uniontown, about southeast of Pittsburgh....

, Pennsylvania
Pennsylvania
The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...
Lava River Cave
Lava River Cave
The Lava River Cave near Bend, Oregon, is part of the Newberry National Volcanic Monument, which is managed by the United States Forest Service. The cave is an excellent example of a lava tube. At 5,211 feet in length, the northwest section of the cave is the longest continuous lava tube in Oregon...

, Oregon
Oregon
Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...

(lava tube
Lava tube
Lava tubes are natural conduits through which lava travels beneath the surface of a lava flow, expelled by a volcano during an eruption. They can be actively draining lava from a source, or can be extinct, meaning the lava flow has ceased and the rock has cooled and left a long, cave-like...

)
Lava Beds National Monument
Lava Beds National Monument
Lava Beds National Monument is located in northeastern California, in Siskiyou and Modoc Counties. The Monument lies on the northeastern flank of the Medicine Lake Volcano, with the largest total area covered by a volcano in the Cascade Range....

, California (lava tube
Lava tube
Lava tubes are natural conduits through which lava travels beneath the surface of a lava flow, expelled by a volcano during an eruption. They can be actively draining lava from a source, or can be extinct, meaning the lava flow has ceased and the rock has cooled and left a long, cave-like...

s)
Lechuguilla Cave
Lechuguilla Cave
Lechuguilla Cave is, as of June 2011, the sixth longest cave known to exist in the world, and the deepest in the continental United States , but it is most famous for its unusual geology, rare formations, and pristine condition....

, New Mexico
New Mexico
New Mexico is a state located in the southwest and western regions of the United States. New Mexico is also usually considered one of the Mountain States. With a population density of 16 per square mile, New Mexico is the sixth-most sparsely inhabited U.S...
Lehman Caves, Nevada
Nevada
Nevada is a state in the western, mountain west, and southwestern regions of the United States. With an area of and a population of about 2.7 million, it is the 7th-largest and 35th-most populous state. Over two-thirds of Nevada's people live in the Las Vegas metropolitan area, which contains its...
Lewis and Clark Caverns
Lewis and Clark Caverns
Lewis and Clark Caverns State Park is located in southeastern Jefferson County, Montana. The primary feature of the park is its namesake cavern....

, Montana
Montana
Montana is a state in the Western United States. The western third of Montana contains numerous mountain ranges. Smaller, "island ranges" are found in the central third of the state, for a total of 77 named ranges of the Rocky Mountains. This geographical fact is reflected in the state's name,...
Lincoln Caverns, Pennsylvania
Pennsylvania
The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...
Linville Caverns
Linville Caverns
Linville Caverns are privately owned active limestone caverns located in northern McDowell County, North Carolina, just south of the village of Linville Falls, on U.S. Highway 221. The caverns are open to the public year round for guided tours...

, North Carolina
North Carolina
North Carolina is a state located in the southeastern United States. The state borders South Carolina and Georgia to the south, Tennessee to the west and Virginia to the north. North Carolina contains 100 counties. Its capital is Raleigh, and its largest city is Charlotte...
Little Brush Creek Cave, Utah
Utah
Utah is a state in the Western United States. It was the 45th state to join the Union, on January 4, 1896. Approximately 80% of Utah's 2,763,885 people live along the Wasatch Front, centering on Salt Lake City. This leaves vast expanses of the state nearly uninhabited, making the population the...
Lockport Cave
Lockport Cave
The Lockport Cave is a man made cave beneath the city of Lockport, New York. Historical and recent accounts of attempted exploration exist. All of the recent explorations have been attempted from the Eighteen Mile Creek culvert....

, New York
Lookout Mountain Caverns
Lookout Mountain Caverns
Lookout Mountain Caverns is currently the second longest known cave in Hamilton County, Tennessee. It is mapped length of 2.481 miles places it at 361st on the United States Long Caves List....

, Tennessee
Tennessee
Tennessee is a U.S. state located in the Southeastern United States. It has a population of 6,346,105, making it the nation's 17th-largest state by population, and covers , making it the 36th-largest by total land area...
Lost River Cave
Lost River Cave
Lost River Cave, located in Bowling Green, Kentucky, is home to the only cave boat tour in the state. Lost River Cave is owned jointly by Western Kentucky University and Friends of Lost River, a non-profit organization that works towards preservation of the cave...

, Kentucky
Kentucky
The Commonwealth of Kentucky is a state located in the East Central United States of America. As classified by the United States Census Bureau, Kentucky is a Southern state, more specifically in the East South Central region. Kentucky is one of four U.S. states constituted as a commonwealth...
Lost Sea Caverns, Tennessee
Tennessee
Tennessee is a U.S. state located in the Southeastern United States. It has a population of 6,346,105, making it the nation's 17th-largest state by population, and covers , making it the 36th-largest by total land area...
Lost World Caverns
Lost World Caverns
Lost World Caverns, located just outside of Lewisburg, West Virginia, is an underground natural series of caverns. In November 1973, the caverns were registered as a National Natural Landmark as they "feature terraced pedestal-like stalagmites, flowstone, curtains, rimstone, domepits, and...

, West Virginia
West Virginia
West Virginia is a state in the Appalachian and Southeastern regions of the United States, bordered by Virginia to the southeast, Kentucky to the southwest, Ohio to the northwest, Pennsylvania to the northeast and Maryland to the east...
Luray Caverns
Luray Caverns
Luray Caverns, originally called Luray Cave, is a large, celebrated commercial cave just west of Luray, Virginia, USA, which has drawn many visitors since its discovery in 1878. The underground cavern system is generously adorned with speleothems...

, Virginia
Virginia
The Commonwealth of Virginia , is a U.S. state on the Atlantic Coast of the Southern United States. Virginia is nicknamed the "Old Dominion" and sometimes the "Mother of Presidents" after the eight U.S. presidents born there...
Mammoth Cave
Mammoth Cave National Park
Mammoth Cave National Park is a U.S. National Park in central Kentucky, encompassing portions of Mammoth Cave, the longest cave system known in the world. The official name of the system is the Mammoth-Flint Ridge Cave System for the ridge under which the cave has formed. The park was established...

, Kentucky
Kentucky
The Commonwealth of Kentucky is a state located in the East Central United States of America. As classified by the United States Census Bureau, Kentucky is a Southern state, more specifically in the East South Central region. Kentucky is one of four U.S. states constituted as a commonwealth...
Marengo Cave
Marengo Cave
Marengo Cave is located in Marengo, Indiana. One of only four show caves in Indiana, public tours of the cave have been given since 1883. Tours commenced just days after the cave's discovery by two school children.-The Discovery:...

, Indiana
Indiana
Indiana is a US state, admitted to the United States as the 19th on December 11, 1816. It is located in the Midwestern United States and Great Lakes Region. With 6,483,802 residents, the state is ranked 15th in population and 16th in population density. Indiana is ranked 38th in land area and is...
Martin Ridge Cave System
Martin Ridge Cave System
The Martin Ridge Cave System is a large cave near Mammoth Cave, Kentucky. The system, composed of the interconnected Whigpistle, Martin Ridge, and Jackpot Caves, has been mapped to over , and is currently the United States' eleventh longest cave.-Discovery:...

, Kentucky
Kentucky
The Commonwealth of Kentucky is a state located in the East Central United States of America. As classified by the United States Census Bureau, Kentucky is a Southern state, more specifically in the East South Central region. Kentucky is one of four U.S. states constituted as a commonwealth...
Marvel Cave
Marvel Cave
Marvel Cave is a National Natural Landmark located just west of Branson, Missouri, on top of Roark Mountain in Stone County. The cave was known by the Osage Indians in the early 16th century, after a tribe member fell through the cave's main entrance, a sinkhole. There is evidence that in 1541...

, Missouri
Missouri
Missouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...
Mary Campbell Cave
Mary Campbell Cave
Mary Campbell Cave, also known as Old Maid's Kitchen, is a small secondary cliff cavity cave in Cuyahoga Falls, Ohio. The cliff and cave roof are sandstone of the Sharon Formation, while the cave wall is shale of the Meadville formation. The cavity in the cliff was formed when water passing through...

, Ohio
Ohio
Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...
Mercer Caverns
Mercer Caverns
Mercer Caverns are located outside of Murphys in Calaveras County California. They are named after the gold prospector Walter J. Mercer who discovered the caves around 1885 and filed a claim. They were later renamed as caverns. The caverns have a large number of speleothems, stalactites, and...

, California
Meramec Caverns
Meramec Caverns
Meramec Caverns is the collective name for a cavern system in the Ozarks, near Stanton, Missouri. The caverns were formed from the erosion of large limestone deposits over millions of years. Pre-Columbian Native American artifacts have been found in the caverns...

, Missouri
Missouri
Missouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...
Minnetonka Cave
Minnetonka Cave
Minnetonka Cave is the largest limestone rock cave in the state of Idaho. It is located in Caribou-Targhee National Forest in Bear Lake County, Idaho, United States, above the village of St. Charles...

, Idaho
Idaho
Idaho is a state in the Rocky Mountain area of the United States. The state's largest city and capital is Boise. Residents are called "Idahoans". Idaho was admitted to the Union on July 3, 1890, as the 43rd state....
Mitchell Caverns
Mitchell Caverns
The Mitchell's Caverns, within the Mitchell Caverns Natural Preserve, are a trio of limestone caves, located on the east side of the Providence Mountains at an elevation of 4300 ft , within the Providence Mountains State Recreation Area...

, California
Moaning Cavern
Moaning Cavern
Moaning Cavern is a solutional cave located near Vallecito, California in the heart of the state's Gold Country. It is developed in marble of the Calaveras Formation. It was discovered in modern times by gold miners in 1851, but it has long been known as an interesting geological feature by...

, California
Natural Bridge Caverns
Natural Bridge Caverns
Natural Bridge Caverns are the largest known commercial caverns in the state of Texas.The name was derived from the 20 m natural limestone slab bridge that spans the amphitheater setting of the cavern's entrance...

, Texas
Natural Bridge Caverns
Natural Bridge Caverns
Natural Bridge Caverns are the largest known commercial caverns in the state of Texas.The name was derived from the 20 m natural limestone slab bridge that spans the amphitheater setting of the cavern's entrance...

, Virginia
Virginia
The Commonwealth of Virginia , is a U.S. state on the Atlantic Coast of the Southern United States. Virginia is nicknamed the "Old Dominion" and sometimes the "Mother of Presidents" after the eight U.S. presidents born there...
Natural Stone Bridge and Caves, New York
Neffs cave (Utah)
Neffs cave (Utah)
Neffs Cave is a cave in the Wasatch mountains near Mount Olympus, Utah, in the United States. Neff Canyon Cave is not a legendary cave that few have visited, located somewhere far back in rugged mountains. On the contrary, parts of the gully in which it lies can be seen from the windows of members...
Ohio Caverns
Ohio Caverns
Ohio Caverns is a show cave located from Dayton, Ohio near West Liberty, in Salem Township, Champaign County, Ohio in the United States. A popular tourist destination and member of the National Caving Association, it is the largest of all the cave systems in Ohio and contains many crystal...

, Ohio
Ohio
Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...
Onondaga Cave, Missouri
Missouri
Missouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...
Organ Cave
Organ Cave
Organ Cave is a large and historic cave in Greenbrier County, West Virginia, USA. The surrounding community takes its name from the cave.In November 1973, the Organ Cave System — also known as the Organ-Hendricks Cave System — was registered as a National Natural Landmark for being "the largest...

, West Virginia
West Virginia
West Virginia is a state in the Appalachian and Southeastern regions of the United States, bordered by Virginia to the southeast, Kentucky to the southwest, Ohio to the northwest, Pennsylvania to the northeast and Maryland to the east...
Paisley Caves
Paisley Caves
The Paisley Caves complex is a system of four caves in an arid, desolate region of south-central Oregon, United States. One of the caves may contain archaeological evidence of the oldest definitively-dated human presence in North America. The site was first studied by archeologists in the 1930s...

, Oregon
Oregon
Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...
Paradise Ice Cave
Paradise Ice Cave
The Paradise Ice Caves were a system of interconnected glacier caves located within Mount Rainier's Paradise Glacier in the United States. These glacier caves were visited and documented at least as early as 1908...

, Washington
Penns Cave
Penn's Cave and Hotel
Penn's Cave and Hotel, also known as Penn's Cave House and Long's Cave, is a historic cave and hotel located at Gregg Township, Centre County, Pennsylvania. The property includes seven contributing buildings, one contributing site , and two contributing structures. Penn's Cave House was built in...

, Pennsylvania
Pennsylvania
The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...
Robbers Cave, Oklahoma
Oklahoma
Oklahoma is a state located in the South Central region of the United States of America. With an estimated 3,751,351 residents as of the 2010 census and a land area of 68,667 square miles , Oklahoma is the 28th most populous and 20th-largest state...
Redmond Caves
Redmond Caves
The Redmond Caves are a group of five lava tubes in Deschutes County, Oregon, United States. The caves are located in the city of Redmond and are jointly managed by the city and the Bureau of Land Management . They are part of the Redmond Caves Park and have been well known locally for many years...

, Oregon
Oregon
Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...
Russell Cave
Russell Cave National Monument
The Russell Cave National Monument is a U.S. National Monument in northeastern Alabama, United States, close to the town of Bridgeport. The Monument was established on May 11, 1961, when 310 acres of land were donated by the National Geographic Society to the American people. It is now...

, Alabama
Alabama
Alabama is a state located in the southeastern region of the United States. It is bordered by Tennessee to the north, Georgia to the east, Florida and the Gulf of Mexico to the south, and Mississippi to the west. Alabama ranks 30th in total land area and ranks second in the size of its inland...
Sea Lion Caves
Sea Lion Caves
Sea Lion Caves are a connected system of sea caves and caverns open to the Pacific Ocean in the U.S. state of Oregon. They are located north of Florence on U.S. Highway 101, about midpoint on the Oregon coast. In this area Highway 101 follows a steep and undeveloped seascape above sea level...

, Oregon
Oregon
Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...
Schoharie Cave, New York
Secret Cavern, New York
Seneca Caverns
Seneca Caverns (Ohio)
Seneca Caverns is a show cave located in northeastern Seneca County, Ohio, United States, just outside of Flat Rock. The cave is designated as a Registered Natural Landmark by the Ohio Department of Natural Resources.-History:...

, Ohio
Ohio
Ohio is a Midwestern state in the United States. The 34th largest state by area in the U.S.,it is the 7th‑most populous with over 11.5 million residents, containing several major American cities and seven metropolitan areas with populations of 500,000 or more.The state's capital is Columbus...
Seneca Caverns, West Virginia
West Virginia
West Virginia is a state in the Appalachian and Southeastern regions of the United States, bordered by Virginia to the southeast, Kentucky to the southwest, Ohio to the northwest, Pennsylvania to the northeast and Maryland to the east...
Shenandoah Caverns
Shenandoah Caverns
Shenandoah Caverns is a commercial show cave in the Shenandoah Valley of Virginia. The word Shenandoah has an uncertain Native American origin and meaning. One meaning is said to be "daughter of the stars"....

, Virginia
Virginia
The Commonwealth of Virginia , is a U.S. state on the Atlantic Coast of the Southern United States. Virginia is nicknamed the "Old Dominion" and sometimes the "Mother of Presidents" after the eight U.S. presidents born there...
Sierra Diablo Cave, West Texas
West Texas
West Texas is a vernacular term applied to a region in the southwestern quadrant of the United States that primarily encompasses the arid and semi-arid lands in the western portion of the state of Texas....
Skeleton Cave
Skeleton Cave
Skeleton Cave is a lava tube within Deschutes County, Oregon, of the United States. The cave is within Deschutes National Forest and is located on the northern flank of Newberry Volcano near the city of Bend.- Origin of the name :...

, Oregon
Oregon
Oregon is a state in the Pacific Northwest region of the United States. It is located on the Pacific coast, with Washington to the north, California to the south, Nevada on the southeast and Idaho to the east. The Columbia and Snake rivers delineate much of Oregon's northern and eastern...
Skyline Caverns
Skyline Caverns
Skyline Caverns, is a series of geologic caves and a tourist attraction located in Front Royal, Virginia. The caverns were discovered by Walter S. Amos, a retired geologist and mineralogist from Winchester, Virginia, on December 17, 1937.-History:...

, Virginia
Virginia
The Commonwealth of Virginia , is a U.S. state on the Atlantic Coast of the Southern United States. Virginia is nicknamed the "Old Dominion" and sometimes the "Mother of Presidents" after the eight U.S. presidents born there...
Slaughter Canyon Cave, New Mexico
New Mexico
New Mexico is a state located in the southwest and western regions of the United States. New Mexico is also usually considered one of the Mountain States. With a population density of 16 per square mile, New Mexico is the sixth-most sparsely inhabited U.S...
Smoke Hole Caverns
Smoke Hole Caverns
Smoke Hole Caverns is a picturesque show cave in Grant County in West Virginia's Eastern Panhandle. SHC were opened to the public on 30 May 1940. They are located near the mouth of Smoke Hole Canyon from which the cave takes its name. They are located on WV 28 13 km west of Petersburg. Local lore...

, West Virginia
West Virginia
West Virginia is a state in the Appalachian and Southeastern regions of the United States, bordered by Virginia to the southeast, Kentucky to the southwest, Ohio to the northwest, Pennsylvania to the northeast and Maryland to the east...
Squire Boone Caverns
Squire Boone Caverns
Squire Boone Caverns and Village is a cavern exploration attraction in Mauckport, Indiana . The park consists of a one-hour walking tour into the caverns, as well as a working pioneer village and grist mill.-Park's History:...

, Indiana
Indiana
Indiana is a US state, admitted to the United States as the 19th on December 11, 1816. It is located in the Midwestern United States and Great Lakes Region. With 6,483,802 residents, the state is ranked 15th in population and 16th in population density. Indiana is ranked 38th in land area and is...
Spring Cave
Spring Cave
Located in Colorado in the White River National Forest, in the South Fork Valley of the White River, Spring Cave is a large, not completely explored cave that has been largely cut out by an underground river running through it. It contains a lake several hundred meters inside as well as several...

, Colorado
Colorado
Colorado is a U.S. state that encompasses much of the Rocky Mountains as well as the northeastern portion of the Colorado Plateau and the western edge of the Great Plains...
Subway Cave, California
Sunny Jim Cave, California
Talking Rocks Cavern
Talking Rocks Cavern
Talking Rocks Cavern is a cavern system located in Stone County, just west of Branson in the US state of Missouri. It is a privately operated tourist destination....

, Missouri
Missouri
Missouri is a US state located in the Midwestern United States, bordered by Iowa, Illinois, Kentucky, Tennessee, Arkansas, Oklahoma, Kansas and Nebraska. With a 2010 population of 5,988,927, Missouri is the 18th most populous state in the nation and the fifth most populous in the Midwest. It...
Timpanogos Cave National Monument
Timpanogos Cave National Monument
Timpanogos Cave National Monument is a cave system in the Wasatch mountains in American Fork Canyon near American Fork, Utah, in the United States. The 1.5 mile trail to the cave is steep at several points, but paved and wide, so the cave opening is accessible to most...

, Utah
Utah
Utah is a state in the Western United States. It was the 45th state to join the Union, on January 4, 1896. Approximately 80% of Utah's 2,763,885 people live along the Wasatch Front, centering on Salt Lake City. This leaves vast expanses of the state nearly uninhabited, making the population the...
Vasco Caves, California
Wind Cave National Park
Wind Cave National Park
Wind Cave National Park is a United States national park north of the town of Hot Springs in western South Dakota. Established in 1903 by President Theodore Roosevelt, it was the seventh U.S. National Park and the first cave to be designated a national park anywhere in the world. The cave is...

, South Dakota
South Dakota
South Dakota is a state located in the Midwestern region of the United States. It is named after the Lakota and Dakota Sioux American Indian tribes. Once a part of Dakota Territory, South Dakota became a state on November 2, 1889. The state has an area of and an estimated population of just over...
Wonder Cave
Wonder Cave (San Marcos, Texas)
Wonder Cave is a show cave located in the Balcones Fault in San Marcos, Texas . Its entrance is one mile southwest of the county courthouse in San Marcos...

, Texas
Wyandotte Caves
Wyandotte Caves
Wyandotte Caves, a pair of limestone caves located on the Ohio River in Harrison-Crawford State Forest in Crawford County, five miles north-east of Leavenworth and 12 miles from Corydon in southern Indiana, is a popular tourist attraction. Wyandotte Caves were designated a National Natural...

, Indiana
Indiana
Indiana is a US state, admitted to the United States as the 19th on December 11, 1816. It is located in the Midwestern United States and Great Lakes Region. With 6,483,802 residents, the state is ranked 15th in population and 16th in population density. Indiana is ranked 38th in land area and is...

Anguilla

Name	Depth (m)	Length (m)	Geology	Notes
Abadam Hole
Blackgarden Hole
Iguana Cave
Old Ta Cave
Pitch Apple Hole
The Fountain

Aruba

Name	Depth (m)	Length (m)	Geology	Notes
Fontein Cave
Guadirikiri Cave
Huliba Cave

Barbados

Name	Depth (m)	Length (m)	Geology	Notes
Animal Flower Cave Animal Flower Cave The Animal Flower Cave is located under the cliffs at North Point, St. Lucy, Barbados. It is the island's lone accessible sea cave. It was discovered by its seaward entrance in 1780 by two English explorers....
Harrison's Cave Harrison's Cave Harrison's Cave is a tourist attraction in the country of Barbados, first mentioned in 1795. Tourists can access the subterranean environment on a tramway.-History:...

Bonaire

Name	Depth (m)	Length (m)	Geology	Notes
Barcadera Cave

Curaçao

Name	Depth (m)	Length (m)	Geology	Notes
Hato Caves Hato Caves Hato Caves are show caves and a popular tourist attraction on the Caribbean island of Curaçao.- Location :The caves are north of the town of Willemstad on the Roosevelt Weg.- History :...

Cuba

Name	Depth (m)	Length (m)	Geology	Notes
Caleta del Rosario
Cueva del Cable
Cueva del Simón
Cuevas de Bellamar (Bellamar Cave)
Cuyagüateje
La Gran Caverna de Santo Tomás
Revuelta de los Chinos
Solapos de Jaruco

Dominican Republic

Name	Depth (m)	Length (m)	Geology	Notes
Cueva de las Maravillas
Cuevas Dudu
Cuevas Fun Fun Formerly La Cueva del Diablo
Linea cave
Los Tres Ojos Los Tres Ojos Los Tres Ojos is the name given to a 50-foot open-air limestone cave located in the Mirador del Este park, in the Santo Domingo Este municipality of the Dominican Republic. A series of three lakes, or ojos, the site is currently one of the most visited tourist attractions in the country...
Pomier Caves Pomier Caves The Pomier Caves are a series of 55 caves located north of San Cristobal in the Dominican Republic. They contain the largest collection of 2,000-year-old rock art in the Caribbean primarily by the Taino, but also by the Carib and the Igneri, the pre-Columbian indigenous inhabitants of the Bahamas,...
San Gabriel San Gabriel San Gabriel may mean:EcuadorSan Gabriel, EcuadorGuatemalaSan Gabriel, SuchitepéquezMexicoSan Gabriel, DurangoSan Gabriel, GuanajuatoSan Gabriel, JaliscoSan Gabriel Chilac, PueblaSan Gabriel Mixtepec, OaxacaPhilippinesSan Gabriel, La Union...

Guadeloupe

Name	Depth (m)	Length (m)	Geology	Notes
Grand Trou à Diable				The longest cave of Lesser Antilles Lesser Antilles The Lesser Antilles are a long, partly volcanic island arc in the Western Hemisphere. Most of its islands form the eastern boundary of the Caribbean Sea with the Atlantic Ocean, with the remainder located in the southern Caribbean just north of South America...

Haiti

Name	Depth (m)	Length (m)	Geology	Notes
Jose Maria Cave
Bim Séjourné
Trouin Séné
Grotte San Francisco
Voûte des Trois Mamelles
Grotte Counoubois
Grotte Marie-Jeanne

Jamaica

There are over 1000 cave systems in Jamaica. Listed here are those for which Wikipedia articles exist. The full list can be found on the Jamaica Caves Organisation website or in the book Jamaica Underground.

Name	Depth (m)	Length (m)	Geology	Notes
Bad Hole Cave Bad Hole Cave Bad Hole Cave is am impressively large rising cave in the Cockpit Country of Jamaica. This is a limestone Karst region that is very rich in caves.-External links:.Photos:*...				Former deepest
Belmont Cave Belmont Cave Belmont Cave is a white limestone dry cave in the Cockpit Country of Jamaica. It is also known as Drip Cave, being a single cave with two close entrances.-Natural history:Like many caves in Jamaica, Belmont is a major bat roost...				Troglobites
Carambie Cave Carambie Cave Carambie Cave is a large, relatively dry, white limestone cave in Trelawny Parish, Jamaica. It is believed that it may have been used by Taíno people although no evidence of their presence has been found. It does contain historical graffiti dating back to 1821.-Natural history:Carambie cave is home...				Fossils
Coffee River Cave Coffee River Cave Coffee River Cave is a large river cave in Manchester Parish in west-central Jamaica. It is 2800 metres in length and at an altitude of 250 metres.-Natural history:...
Dunn's Hole Dunn's Hole Dunn's Hole is a large chamber cave in Trelawny Parish, Jamaica. It consists of a very large chamber approximately 200 metres long, 100 metres wide and 80 metres high, located at the bottom of a 200 metre pit. It is the largest known underground chamber in Jamaica. The main chamber contains a large...				Largest chamber
Gourie Cave Gourie Cave Gourie Cave is a large river cave in Manchester Parish in west-central Jamaica. At 3505 metres it is the longest cave known in the island. It is liable to flooding.-See also:List of caves#JamaicaJamaican Caves Organisation*Manchester Parish, Jamaica...				Longest
Green Grotto Caves Green Grotto Caves The Green Grotto Caves are show caves and a prominent tourist attraction in Discovery Bay, St Ann on the north coast of Jamaica. Named for the green algae that cover its walls, the structure of the cave is strikingly different to inland systems; the cave is a Flank Margin Cave with two...				Tourist attraction
Hutchinson's Hole Hutchinson's Hole Hutchinson's Hole is a large sinkhole named after the 18th century serial killer Lewis Hutchinson, who used the sinkhole to dispose of bodies in the 18th century...				18th century serial killer
Jackson's Bay Cave Jackson's Bay Cave Jackson's Bay Cave is a very large cave system on the Portland Ridge in Clarendon near the south coast of Jamaica. It is considered to be one of the most beautiful in the Caribbean...				Large system
Morgans Pond Hole Morgans Pond Hole At , Morgans Pond Hole in Manchester Parish, Jamaica is the second deepest known cave in the island.-See also:List of caves#JamaicaJamaican Caves OrganisationManchester Parish, Jamaica-External links:..Photos:.....				Second deepest
Mouth Maze Cave Mouth Maze Cave Mouth Maze Cave is a large, labyrinthine river cave in Trelawny, Jamaica. It is the only exit of the Mouth River from a small valley which, during intense rainfall, becomes flooded as the flow backs up...				Large labyrinthine
Oxford Cave, Jamaica Oxford Cave, Jamaica Oxford Cave is a cave in Manchester Parish in west-central Jamaica. It is 765 metres long and at 290 metres altitude. The cave entrance is close by a main road and because of its accessibility has suffered much graffiti, vandalism and litter...				Vandalised
Smokey Hole Cave Smokey Hole Cave At nearly 200 metres, Smokey Hole Cave in Manchester, Jamaica is the deepest known cave in the island.-Natural history:The cave contains a large bat roost and numerous Jamaican cave crickets . Also present are the invasive Periplaneta americana in small numbers, G. cavernicola , and N...				Deepest
Thatchfield Great Cave Thatchfield Great Cave Thatchfield Great Cave is a large cave in Saint Ann Parish near the north coast of Jamaica. Because it is considered to be under threat its exact location is not widely publicised.- Natural history :...				Natural history
Windsor Great Cave Windsor Great Cave Windsor Great Cave is a long complex of linked caves in Trelawny Parish on the north coast of Jamaica. It is owned by the WWF .-Natural history:...				Tourist attraction
Xtabi Xtabi Xtabi is a cove on the cliffs of Negril, in Westmoreland, Jamaica. It consists of a labyrinth of caves and passageways carved from solid rock over a period of several million years.An eponymous hotel sits atop the cliffs.-History:...				Tourist attraction

Puerto Rico

Name	Depth (m)	Length (m)	Geology	Notes
Camuy Caves Rio Camuy Caves The Parque de las Cavernas del Río Camuy , is one of the largest cave systems in the world and the largest in the Western Hemisphere. It is located between the municipalities of Camuy, Hatillo and Lares in northwestern Puerto Rico, but the main entrance to the park is located in Quebrada, Camuy...
Cueva del Indio Cueva del Indio Cueva del Indio, near Las Piedras, Puerto Rico, is a prehistoric rock art site. It was listed on the National Register of Historic Places in 2003.-References:...
Cueva Ventana Cueva Ventana Cueva Ventana, or "Cave Window" in English, is a large cave situated atop a limestone cliff in Arecibo, Puerto Rico. The cave overlooks the Río Grande de Arecibo valley. It is visible from PR-123 but is accessible from a trail that begins adjacent to a Texaco gas station located along PR-10...

Saint Lucia

Name	Depth (m)	Length (m)	Geology	Notes
Bat Cave Bat Cave, Saint Lucia Bat Cave is a small cave in the Caribbean Island of St. Lucia on the Western Coast.The cave is a local landmark for boats organising snorkel trips for tourists.In spite of its name, the cave is believed not to contain a large bat population....

Saint Vincent and the Grenadines

Name	Depth (m)	Length (m)	Geology	Notes
Byahaut Bat Cave Byahaut Bat Cave Byahaut Bat Cave is a costal cave in the Caribbean Island of St. Vincent on the Western Coast.The cave is a local landmark for boats organising Diving and snorkel trips for tourists.The cave is believed to contain a large and noisy bat population....

Trinidad and Tobago

Name	Depth (m)	Length (m)	Geology	Notes
Aripo Cave Aripo Cave Aripo Cave is a cave in the Northern Range, in Trinidad and Tobago. The caves are a notable bat roost, and that bats contribute considerable amounts of guano, which in turn support vast numbers of cave dwelling invertebates....
Cumaca Cave Cumaca Cave Cumaca Cave is a large cave system located in northern of Trinidad, in the southeastern area of the Northern Range. This cave is sometimes also called Oropouche. The caves are home to bats and Oilbirds . These are the only nocturnal fruit eating birds in the world...
Dunston Cave Dunston Cave Dunston Cave is a igneous cave on the Northern Range of Trinidad and Tobago. The cave is located on the grounds of the Asa Wright Nature Centre. Originally named Guacharo Cave, it was renamed Dunston Cave in 1972 in honour of engineer John Dunston. The caves are home to an Oilbird colony. These...
Huevos Island Cave
La Vache La Vache La Vache is a cave in located in the Northern Range, on the north coast of Trinidad. The Caves are home to the Oilbirds, These are the only nocturnal fruit eating birds in the world. They forage at night, navigating by echolocation in the same way as bats....
Lopinot Cave Lopinot Cave Lopinot Cave is a large cave in the Lopinot Valley in the Northern Range of Trinidad and Tobago. The Caves are home to the Oilbirds. These are the only nocturnal fruit eating birds in the world...
Oropuche Cave
Parasol Point Cave
Tamana caves Tamana caves Tamana caves is a cave system located on the northern slope of Mount Tamana in eastern Trinidad. Mount Tamana is a 307-metre flat topped hill of Miocene Guaracara Limestone of the Tamana Formation in the eastern Central Range....
Cursoe Cave

Argentina

Name	Depth (m)	Length (m)	Geology	Notes
Cueva de las Manos Cueva de las Manos Cueva de las Manos is a cave or a series of caves located in the province of Santa Cruz, Argentina, 163 km south of the town of Perito Moreno. It is famous for the paintings of hands, made by the indigenous inhabitants some 9,000 years ago... (Cave of the hands)
Cueva de la Bruja (Cave of the Witches)
Cueva de Gualicho http://www.showcaves.com/english/misc/showcaves/Gualicho.html
Cueva del Tigré http://www.showcaves.com/english/misc/caves/Tigre.html

Bolivia

Name	Depth (m)	Length (m)	Geology	Notes
Gruta De Umajalanta
Umayalanta Cave				Home to the Catfish Catfish Catfishes are a diverse group of ray-finned fish. Named for their prominent barbels, which resemble a cat's whiskers, catfish range in size and behavior from the heaviest and longest, the Mekong giant catfish from Southeast Asia and the second longest, the wels catfish of Eurasia, to detritivores... Trichomycterus chaberti Trichomycterus chaberti Trichomycterus chaberti is a species of fish in the Trichomycteridae family. It is endemic to Bolivia.-Source:* World Conservation Monitoring Centre 1996. . Downloaded on 5 August 2007....

Chile

Name	Depth (m)	Length (m)	Geology	Notes
Cueva del Milodón Cueva del Milodón Natural Monument Cueva del Milodón Natural Monument is a Natural Monument located in the Chilean Patagonia, northwest of Puerto Natales and north of Punta Arenas. The monument is situated along the flanks of the Cerro Benitez Mountains...
Robinson Crusoe's Cave

Colombia

Name	Depth (m)	Length (m)	Geology	Notes
Guacharos Cave				Guacharos National Park (Huila Department Huila Department Huila is one of the departments of Colombia. It is located in the southwest of the country, and its capital is Neiva.-Geography:The south of the department is located in the Colombian Massif... )
Danta Cave				Rio Claro canyon, Antioquia
Hayo del Aire
Sistema Hermosura
Cueva de Morgan
El Puente Cave

Ecuador

Name	Depth (m)	Length (m)	Geology	Notes
Cueva de los Tayos Cueva de los Tayos Cueva de los Tayos is a natural cave located on the eastern slopes of the Andes mountains in the Morona-Santiago province of Ecuador...

Peru

Name	Depth (m)	Length (m)	Geology	Notes
Sima Pumacocha Sima Pumacocha Sima Pumacocha is a limestone cave located in the Yauyos province of central Peru near the village of Laraos, high in the Andes mountains. It is one of the deepest caves in South America.-Physical and geological setting:...	638	1427		Deepest cave in the Andes; second deepest in South America
Qaqa Mach'ay Qaqa Mach'ay Located in the Yauyos Province of central Peru, Qaqa Mach'ay is a limestone cave high in the Andes Mountains that was explored and surveyed in 2004 by an international expedition...	125	300		Highest surveyed cave in the world; altitude 4930m
La Cueva de Huagapo		1698.5	limestone	entrance 3,572m above sea level; Dept San Pedro de Cajas
La Sima de Milpo	407	1894	limestone	entrance at an altitude of 3,992m above sea level; Dept San Pedro de Cajas
La Cueva de Pacuy Huagen		571	limestone	entrance altitude 3,950m above sea level; Dept San Pedro de Cajas
La Cueva del Nido de Guacamayo		238	limestone	entrance is 690m above sea level; Dept Tingo Maria
Shihual
Millpu de Kaukiran
Tragadero de San Andres

Uruguay

Name	Depth (m)	Length (m)	Geology	Notes
Gruta De Los Cuervos
Gruta De Los Helechos

Venezuela

Name	Depth (m)	Length (m)	Geology	Notes
Cueva Alfredo Jahn
Cueva de la Quebrada del Toro Cueva de la Quebrada del Toro The Cueva de la Quebrada del Toro is a national park in the Sierra de Falcón in Falcón State, Venezuela. It is an active river cave, through which flows the largest known underground watercourse in Venezuela.-Wildlife:...
Cueva del Fantasma Cueva del Fantasma La Cueva del Fantasma, is a giant cave in southern Venezuela, located in one of the most biologically rich, geologically ancient parts of the world, along the slopes of Aprada tepui. Large enough for two helicopters to land in the cave, the report from Zootaxa is said to be the first photographic...
Cueva del Guácharo Cueva del Guácharo National Park The Guácharo Cave National Park is located 12 km from the town of Caripe, Monagas, Venezuela. It has as its centerpiece a large limestone cave, which is home to thousands of oilbirds... , Caripe Caripe Caripe is a town in Caripe Municipality in the mountainous north of the state of Monagas in eastern Venezuela.The soil of the Caripe Valley is very fertile, and the climate of the area is exceptionally pleasant, a result of its altitude , latitude , and proximity to the Caribbean Sea... , Monagas Monagas Monagas State is one of the 23 states of Venezuela.Monagas State covers a total surface area of 28,900 km² and, in June 30, 2010, had an estimated population of 908,626....
Cueva del Saman
Cueva La Segunda Cascada
Cueva Los Encantos
Cueva Los Laureles
Cueva-Sumidero La Retirada
Haiton del Guarataro
Sima Aonda 2
Sima Aonda 3
Sima Aonda
Sima Auyantepui Noroeste
Sima Auyantepui Norte
Sima Mayor de Sarisarinama o Humboldt

Mars

seven putative cave entrances have been identified in satellite imagery of the planet Mars

Mars

Mars is the fourth planet from the Sun in the Solar System. The planet is named after the Roman god of war, Mars. It is often described as the "Red Planet", as the iron oxide prevalent on its surface gives it a reddish appearance...

, all so far located on the flanks of Arsia Mons

Arsia Mons

Arsia Mons is the southernmost of three volcanos on the Tharsis bulge near the equator of the planet Mars. To its north is Pavonis Mons, and north of that is Ascraeus Mons. The tallest mountain in the solar system, Olympus Mons, is to its northwest...

. A more recent photograph of one of the features shows sunlight illuminating a side wall, suggesting that it may simply be a vertical pit rather than an entrance to a larger underground space.

External links

The source of this article is wikipedia, the free encyclopedia. The text of this article is licensed under the GFDL.