Cennet and Cehennem are the names of two big sinkholes on the Toros Mountains

Taurus Mountains

Taurus Mountains are a mountain complex in southern Turkey, dividing the Mediterranean coastal region of southern Turkey from the central Anatolian Plateau. The system extends along a curve from Lake Eğirdir in the west to the upper reaches of the Euphrates and Tigris rivers in the east...

, in Mersin Province

Mersin Province

The Mersin Province is a province in southern Turkey, on the Mediterranean coast between Antalya and Adana. The provincial capital is the city of Mersin and the other major town is Tarsus, birthplace of St Paul...

, Turkey

Turkey

Turkey , known officially as the Republic of Turkey , is a Eurasian country located in Western Asia and in East Thrace in Southeastern Europe...

. The sinkholes are among the touristic attractions of the province.

Geography

Cennet and Cehennem are situated next to each other. Cennet is situated at 36°27′09"N 34°6′20"E Cehennem on the other hand is at 36°27′16"N 34°6′21"E . Both of them are in the rural area of Silifke

Silifke

-Antiquity:Located a few miles from the mouth of the Calycadnus River, Seleucia was founded by Seleucus I Nicator in the early 3rd century BCE, one of several cities he named after himself. It is probable that there were already towns called Olbia and Hyria and that Seleucus I merely united them...

 district which in turn is a part of Mersin Province. They are accessible by a 2 kilometres (1.2 mi) all season open road from the main high way (D 400) . The highway distances are 22 kilometres (13.7 mi) to Silifke and 67 kilometres (41.6 mi) to Mersin. They are close to Narlıkuyu

Narlıkuyu

Narlıkuyu is a small coastal town in Mersin Province, Turkey. - Geography :Narlıkuyu at is situated on the Mediterranean coast, south west of Mersin. It is a part of Silifke district which is in turn a part of Mersin Province...

 coastal town.

Cennet

Top opening of Cennet is 250 x 110 m² ( 820 x 360 ft² ) and its average dept is 70 metres (229.7 ft). It is possible to reach the bottom of Cennet by a primitive staircase composed of 300 steps. At the bottom towards south, there is a smaller and 150 steps deeper cave. In this cave are the ruins of a monastery built in the 5th century by a certain Paulus and dedicated to Virgin Mary. In this monastery one can hear the sound of a small underground stream from the monastery to the gulf of Narlıkuyu.

Cehennem

Cehennem is a deeper sinkhole with a dept of 128 metres (419.9 ft). But its top opening is smaller with dimensions 70 x 50 m² ( 210 x 150 ft² ) . More over, the upper edge of the opening is concave. So, it is impossible to reach the bottom of Cehennem.

In mythology, Zeus

Zeus

In the ancient Greek religion, Zeus was the "Father of Gods and men" who ruled the Olympians of Mount Olympus as a father ruled the family. He was the god of sky and thunder in Greek mythology. His Roman counterpart is Jupiter and his Etruscan counterpart is Tinia.Zeus was the child of Cronus...

 kept Typhon

Typhon

Typhon , also Typhoeus , Typhaon or Typhos was the last son of Gaia, fathered by Tartarus, and the most deadly monster of Greek mythology. He was known as the "Father of all monsters"; his wife Echidna was likewise the "Mother of All Monsters."Typhon was described in pseudo-Apollodorus,...

 temporarily in Cehennem before imprisoning him under Mount Etna

Mount Etna

Mount Etna is an active stratovolcano on the east coast of Sicily, close to Messina and Catania. It is the tallest active volcano in Europe, currently standing high, though this varies with summit eruptions; the mountain is 21 m higher than it was in 1981.. It is the highest mountain in...

.(see Corycian Cave)