This list of geological features on Ariel itemizes the named geological features on the moon

Moon

The Moon is Earth's only known natural satellite,There are a number of near-Earth asteroids including 3753 Cruithne that are co-orbital with Earth: their orbits bring them close to Earth for periods of time but then alter in the long term . These are quasi-satellites and not true moons. For more...

 of Uranus

Uranus

Uranus is the seventh planet from the Sun. It has the third-largest planetary radius and fourth-largest planetary mass in the Solar System. It is named after the ancient Greek deity of the sky Uranus , the father of Cronus and grandfather of Zeus...

 called Ariel

Ariel (moon)

Ariel is the brightest and fourth-largest of the 27 known moons of Uranus. Ariel orbits and rotates in the equatorial plane of Uranus, which is almost perpendicular to the orbit of Uranus, and so has an extreme seasonal cycle....

. Nearly all of the features are named for bright spirits of world mythologies. All information in the tables below comes from the United States Geological Survey

United States Geological Survey

The United States Geological Survey is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, and the natural hazards that threaten it. The organization has four major science disciplines, concerning biology,...

.

Valleys

The grooves running along the median line of chasmata are called valles

Vallis

Vallis is the Latin word for valley. It is used in planetary geology for the naming of landform features on other planets....

.

Vallis	Namesake	Length, km	Coordinates
Leprechaun Vallis	Leprechaun Leprechaun A leprechaun is a type of fairy in Irish folklore, usually taking the form of an old man, clad in a red or green coat, who enjoys partaking in mischief. Like other fairy creatures, leprechauns have been linked to the Tuatha Dé Danann of Irish mythology... s of Irish mythology Irish mythology The mythology of pre-Christian Ireland did not entirely survive the conversion to Christianity, but much of it was preserved, shorn of its religious meanings, in medieval Irish literature, which represents the most extensive and best preserved of all the branch and the Historical Cycle. There are...	328	10.4°N 10.2°W
Sprite Vallis	Sprites Sprite (creature) The term sprite is a broad term referring to a number of preternatural legendary creatures. The term is generally used in reference to elf-like creatures, including fairies, and similar beings , but can also signify various spiritual beings, including ghosts. In Eoin Colfer's Artemis Fowl books,...  of Celtic mythology Celtic mythology Celtic mythology is the mythology of Celtic polytheism, apparently the religion of the Iron Age Celts. Like other Iron Age Europeans, the early Celts maintained a polytheistic mythology and religious structure...	305	14.9°N 340°W

Chasms

Arielian graben are called chasmata.

Chasma	Namesake	Length, km	Coordinates
Brownie Chasma	Brownies (British folklore British folklore British folklore refers to the folklore of any of the home countries of the United Kingdom. For more information see :*English folklore*Scottish folklore*Welsh mythology*Irish mythologyOr :... )	343	16°N 37.6°W
Kachina Chasma Kachina Chasma Kachina Chasma is the longest canyon on the surface of the Uranian moon Ariel. Its name comes from a spirit in Hopi mythology. The 622 km long and 50 km wide chasmata is a system of normal faults running from the north-west to south-east. The faults bound down-dropped crustal blocks...	Kachina Kachina A kachina is a spirit being in western Pueblo cosmology and religious practices. The western Pueblo, Native American cultures located in the southwestern United States, include Hopi, Zuni, Tewa Village , Acoma Pueblo, and Laguna Pueblo. The kachina cult has spread to more eastern Pueblos, e.g....  (Hopi mythology Hopi mythology The Hopi maintain a complex religious and mythological tradition stretching back over centuries. However, it is difficult to definitively state what all Hopis as a group believe. Like the oral traditions of many other societies, Hopi mythology is not always told consistently and each Hopi mesa, or... )	622	33.7°N 246°W
Kewpie Chasma	Kewpie (British folklore)	467	28.3°N 326.9°W
Korrigan Chasma	Korrigans (Breton folklore)	365	27.6°N 347.5°W
Kra Chasma	Kra Kra (Mythology) In the mythology of the Akan the kra is the soul of a person it is of divine origin. That is to say, one gets their "Kra" from God .An Akan conforms to the abusua/ of his mother, and receives the Ntoro from his father. These maternal and paternal bonds follow the Akan wherever he travels...  (Akan belief system)	142	32.1°N 354.2°W
Pixie Chasma	Pixie Pixie Pixies are mythical creatures of folklore, considered to be particularly concentrated in the areas around Devon and Cornwall, suggesting some Celtic origin for the belief and name.They are usually depicted with pointed ears, and often wearing a green outfit and pointed...  (British folklore)	278	20.4°N 5.1°W
Sylph Chasma	Sylph Sylph Sylph is a mythological creature in the Western tradition. The term originates in Paracelsus, who describes sylphs as invisible beings of the air, his elementals of air...  (British folklore)	349	48.6°N 353°W

Craters

Crater	Namesake	Diameter, km	Coordinates
Abans	Aban Aban Apas is the Avestan language term for "the waters", which—in its innumerable aggregate states—is represented by the Apas, the hypostases of the waters....  (Persian mythology Persian mythology Persian mythology are traditional tales and stories of ancient origin, some involving extraordinary or supernatural beings. Drawn from the legendary past of the Iranian cultural continent which especially consists of the state of Iran, Afghanistan, Tajikistan and Central Asia, they reflect the... )	20	15.5°N 251.3°W
Agape	Agape (Spenser Spenser Spenser is an alternative spelling of the British surname Spencer. It may refer to:Geographical places with the name Spenser:* Spenser Ecological District in New Zealand* Spenser Mountains, a range in the northern part of South Island, New Zealand... )	34	46.9°N 336.5°W
Ataksak	Ataksak Ataksak Ataksak is a goddess in Inuit mythology. She is the ruler of the sky, and represents the light in the world that brings joy and happiness to the people....  (Inuit mythology Inuit mythology Inuit mythology has many similarities to the religions of other polar regions. Inuit traditional religious practices could be very briefly summarised as a form of shamanism based on animist principles.... )	22	53.1°N 224.3°W
Befana	Befana (Italian folklore)	21	17°N 31.9°W
Berylune	Bérylune L'Oiseau Bleu The Blue Bird is a 1908 play by Belgian author Maurice Maeterlinck. It premiered on 30 September 1908 at Constantin Stanislavski's Moscow Art Theatre and has been turned into several films and a TV series. The French composer Albert Wolff wrote an opera The Blue Bird is a 1908 play by Belgian...  (Maurice Maeterlinck Maurice Maeterlinck Maurice Polydore Marie Bernard Maeterlinck, also called Comte Maeterlinck from 1932, was a Belgian playwright, poet, and essayist who wrote in French. He was awarded the Nobel Prize in Literature in 1911. The main themes in his work are death and the meaning of life... )	29	22.5°N 327.9°W
Deive	Deive (Lithuanian Culture of Lithuania The culture of Lithuania, dating back to 200 BC, with the settlement of the Balts and has been independent of the presence of a sovereign Lithuanian state.-Pre-Lithuanian period :...  folklore)	20	22.3°N 23°W
Djadek	Djadek (Czech Czech people Czechs, or Czech people are a western Slavic people of Central Europe, living predominantly in the Czech Republic. Small populations of Czechs also live in Slovakia, Austria, the United States, the United Kingdom, Chile, Argentina, Canada, Germany, Russia and other countries...  folklore)	22	12°N 251.1°W
Domovoy	Domovoi Domovoi A domovoi or domovoy is a house spirit in Slavic folklore. The plural form in Russian can be transliterated domoviye or domovye ....  (Slavic mythology Slavic mythology Slavic mythology is the mythological aspect of the polytheistic religion that was practised by the Slavs before Christianisation.The religion possesses many common traits with other religions descended from the Proto-Indo-European religion.... )	71	71.5°N 339.7°W
Finvara	Finvarra Finvarra King Finvarra, also called Finvara, Finn Bheara, Finbeara or Fionnbharr, is the High King of the Daoine Sidhe in Irish folklore. In some legends, he is also the King of the Dead. Finvarra is a benevolent figure who ensures good harvests, strong horses, and great riches to those who will assist him...  (Irish mythology)	31	15.8°N 19°W
Gwyn	Gwyn ap Nudd Gwyn ap Nudd Gwyn ap Nudd is a Welsh mythological figure, the king of the Tylwyth Teg or "fair folk" and ruler of the Welsh Otherworld, Annwn. Described as a great warrior with a "blackened face", Gwyn is intimately associated with the otherworld in medieval Welsh literature, and is associated with the...  (Irish mythology)	34	77.5°N 22.5°W
Huon	Huon of Bordeaux Huon of Bordeaux Huon of Bordeaux is the title character of a 13th century French epic with romance elements. He is a knight who, after unwittingly killing Charlot, the son of Emperor Charlemagne, is given a reprieve from death on condition that he fulfill a number of seemingly impossible tasks: he must travel to...  (French literature French literature French literature is, generally speaking, literature written in the French language, particularly by citizens of France; it may also refer to literature written by people living in France who speak traditional languages of France other than French. Literature written in French language, by citizens... )	40	37.8°N 33.7°W
Laica	Laica (Incan mythology)	30	21.3°N 44.4°W
Mab	Queen Mab Queen Mab Queen Mab is a fairy referred to in Shakespeare's play Romeo and Juliet. She also appears in other 17th century literature, and in various guises in later poetry, drama and cinema...  (English folklore)	34	38.8°N 352.2°W
Melusine	Melusine Melusine Melusine is a figure of European legends and folklore, a feminine spirit of fresh waters in sacred springs and rivers.She is usually depicted as a woman who is a serpent or fish from the waist down...  (French literature)	50	52.9°N 8.9°W
Oonagh	Oonagh Oonagh Oonagh is a feminine given name in the English language. It is variant spelling of Oona, which is an Anglicisation of the Irish-language given name Úna....  (Irish mythology)	39	21.9°N 244.4°W
Rima	Rima Rima Rima, also known as Rima the Jungle Girl, is the fictional heroine of W. H. Hudson's 1904 novel Green Mansions: A Romance of the Tropical Forest. In 1974, she was adapted into a comic book character and featured in the short-lived monthly series Rima the Jungle Girl, published by DC Comics...  (William Henry Hudson William Henry Hudson William Henry Hudson was an author, naturalist, and ornithologist.- Life and work :Hudson was born in the Quilmes, a borough of the greater Buenos Aires, in Buenos Aires Province, Argentina, son of settlers of U.S. origin... 's Green Mansions Green Mansions Green Mansions: A Romance of the Tropical Forest is an exotic romance by William Henry Hudson about a traveller to the Guyana jungle of southeastern Venezuela and his encounter with a forest dwelling girl named Rima.-Plot summary:... )	41	18.3°N 260.8°W
Yangoor Yangoor (crater) Yangoor is the largest known crater on the surface of the Uranian moon Ariel. The name comes from a spirit that brings day in Australian Aboriginal mythology. It is about 80 km in diameter and is located approximately 450 km from Ariel's south pole. The northwestern edge of the crater was...	Yangoor (a good spirit who brings the daylight)	78	68.7°N 279.7°W