List of geological features on Mercury is an itemization of mountains, valleys, craters and other landform features of the planet Mercury. Different types of features are named after different things: Mercurian ridges are called dorsa

Dorsum

Dorsum is a Latin word. In science, it could mean:* Dorsum , the posterior side of an animal* Dorsum , a term used in astrogeology for a ridge* Theta Capricorni, a star on the back of the Goat...

, and are named after astronomer

Astronomer

An astronomer is a scientist who studies celestial bodies such as planets, stars and galaxies.Historically, astronomy was more concerned with the classification and description of phenomena in the sky, while astrophysics attempted to explain these phenomena and the differences between them using...

s who made detailed studies of the planet; valley

Valley

In geology, a valley or dale is a depression with predominant extent in one direction. A very deep river valley may be called a canyon or gorge.The terms U-shaped and V-shaped are descriptive terms of geography to characterize the form of valleys...

s 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....

, and are named after radio telescope

Radio telescope

A radio telescope is a form of directional radio antenna used in radio astronomy. The same types of antennas are also used in tracking and collecting data from satellites and space probes...

 facilities; plains are called planitiae, and most are named after mythological names associated with Mercury; escarpment

Escarpment

An escarpment is a steep slope or long cliff that occurs from erosion or faulting and separates two relatively level areas of differing elevations.-Description and variants:...

s are called rupes

Rupes

Rupes is the Latin word for 'cliff'. It is used in planetary geology to refer to escarpments on other planets, such as Mercury, and moons, such as Luna, Earth's natural satellite.How rupes are formed is, as of 2008, a matter of speculation...

 and are named after the ships of famous explorers; long, narrow depressions are called fossae

Fossa (geology)

Fossa is a term used in planetary geology to describe a long, narrow depression on the surface of an extraterrestrial body, such as a planet or moon...

 and are named after works of architecture

Architecture

Architecture is both the process and product of planning, designing and construction. Architectural works, in the material form of buildings, are often perceived as cultural and political symbols and as works of art...

.

See also list of craters on Mercury, list of albedo features on Mercury, and list of quadrangles on Mercury

Longitude is west longitude.

Feature	Latitude	Longitude	Named after
Mountains
Caloris Montes Caloris Montes The Caloris Montes are a range of mountains on Mercury. They are a system of linear hills and valleys that extend more than 1000 km to the northeast from the mountainous rim of Caloris Basin in the Shakespeare quadrangle...	39.4	187.2	Latin for 'mountains of heat'
Ridges
Antoniadi Dorsum Antoniadi Dorsum Antoniadi Dorsum is a ridge on Mercury at . It was named by the International Astronomical Union after Eugène Michel Antoniadi....	25.1	30.5	Eugène Antoniadi
Schiaparelli Dorsum	23	164.1	Giovanni Schiaparelli Giovanni Schiaparelli Giovanni Virginio Schiaparelli was an Italian astronomer and science historian. He studied at the University of Turin and Berlin Observatory. In 1859-1860 he worked in Pulkovo Observatory and then worked for over forty years at Brera Observatory...
Fossae
Pantheon Fossae Pantheon Fossae Pantheon Fossae is a region in the center of Caloris Basin on Mercury containing numerous radial graben that appear to be extensional faults, with a 40 km crater located near the center of the pattern. The exact cause of this pattern of troughs is not currently known...	30.5	197.0	The Pantheon, Rome
Valleys
Arecibo Vallis Arecibo Vallis Arecibo Vallis is a valley on Mercury. It is located at latitude 27.5 S, longitude 28.4 W, in the hilly and chaotic terrain antipodal to Caloris Basin. It is named after Arecibo Observatory.Arecibo Vallis connects with Petrarch crater....	-27.5	28.4	Arecibo Observatory Arecibo Observatory The Arecibo Observatory is a radio telescope near the city of Arecibo in Puerto Rico. It is operated by SRI International under cooperative agreement with the National Science Foundation...
Goldstone Vallis Goldstone Vallis Goldstone Vallis is a valley on Mercury located at 15.8 S, 31.7 W. It is named after Goldstone Observatory. While it superficially resembles a graben, it is actually a chain of overlapping secondary craters....	-15.8	31.7	Goldstone Observatory
Haystack Vallis Haystack Vallis Haystack Vallis is a valley at 4.7° N, 46.2° W on Mercury. It superficially resembles a graben but is actually a chain of overlapping secondary craters. It was named after Haystack Observatory....	4.7	46.2	Haystack Observatory Haystack Observatory Haystack Observatory is a group of astronomical observatories owned and operated by Massachusetts Institute of Technology. It is located in Westford, Massachusetts . It is the home of the Millstone Hill Observatory....
Simeiz Vallis Simeiz Vallis Simeiz Vallis is a valley at 13.2 S, 64.3 W on Mercury. It is named after Simeiz Observatory....	-13.2	64.3	Simeiz Observatory Simeiz Observatory Simeiz Observatory was an astronomy research observatory until the mid 1950s. It is located on Mount Koshka, Crimea, Ukraine by the town of Simeiz....
Plains
Borealis Planitia Borealis Planitia Borealis Planitia is a large basin on Mercury with a smooth floor, thought to be similar to a lunar mare. It is centered at 73.4° N, 79.5° W. The name is Latin for "Northern Plain"....	73.4	79.5	Latin for 'northern plain'
Budh Planitia Budh Planitia Budh Planitia is a large basin on Mercury located at 22.0° N, 150.9° W. It lies to the east of Odin Planitia. It falls with in the Tolstoj quadrangle. It is named after the Hindu word for Mercury, Budha....	22	150.9	Hindu Hindu Hindu refers to an identity associated with the philosophical, religious and cultural systems that are indigenous to the Indian subcontinent. As used in the Constitution of India, the word "Hindu" is also attributed to all persons professing any Indian religion...  word for Mercury.
Caloris Planitia	30.5	189.8	Latin for 'heat's plain'
Odin Planitia Odin Planitia Odin Planitia is a large basin on Mercury located in the Tolstoj quadrangle at 23.3° N, 171.6° W. It was named after the Norse god Odin in 1976 by the IAU. A large volcanic dome 7 km in diameter and 1.4 km high is situated near the center of Odin....	23.3	171.6	Norse god Odin Odin Odin is a major god in Norse mythology and the ruler of Asgard. Homologous with the Anglo-Saxon "Wōden" and the Old High German "Wotan", the name is descended from Proto-Germanic "*Wodanaz" or "*Wōđanaz"....
Sobkou Planitia Sobkou Planitia Sobkou Planitia is a large basin on Mercury....	39.9	129.9	Messenger god.
Suisei Planitia Suisei Planitia Suisei Planitia is a large basin on Mercury. Ghost craters are unusual forms that occur in the Suisei Planitia. They are buried and rounded in profile, with only their rim crests rising above the surrounding smooth plains. It has been suggested that the smooth plains that Suisei Planitia is part of...	59.2	150.8	Japanese Japanese language is a language spoken by over 130 million people in Japan and in Japanese emigrant communities. It is a member of the Japonic language family, which has a number of proposed relationships with other languages, none of which has gained wide acceptance among historical linguists .Japanese is an...  for Mercury.
Tir Planitia Tir Planitia Tir Planitia is a large basin on Mercury....	0.8	176.1	Norse  for Mercury.
Escarpments
Adventure Rupes Adventure Rupes Adventure Rupes is an escarpment on Mercury approximately 270 kilometers long located in the southern hemisphere of Mercury. Discovered by the Mariner 10 spacecraft in 1974, it was formed by a thrust fault, thought to have occurred due to the shrinkage of the planet's core as it cooled over...	-65.1	65.5	HMS Adventure HMS Adventure (1771) HMS Adventure was a barque of the Royal Navy that sailed with Resolution on James Cook's second expedition to the Pacific in 1772–1775. She was the first ship to circumnavigate the globe from west to east.... , ship of Captain Cook
Astrolabe Rupes	-42.6	70.7	Astrolabe French ship Astrolabe (1817) The Astrolabe was a horse barge converted to an exploration ship of the French Navy. She is famous for her travels with Jules Dumont d'Urville.The name derives from an early navigational instrument, the astrolabe, a precursor to the sextant.-Legacy:... , ship of Jules Dumont d'Urville Jules Dumont d'Urville Jules Sébastien César Dumont d'Urville was a French explorer, naval officer and rear admiral, who explored the south and western Pacific, Australia, New Zealand and Antarctica.-Childhood:Dumont was born at Condé-sur-Noireau...
Beagle Rupes Beagle Rupes Beagle Rupes is an escarpment on Mercury, one of the highest and longest yet seen. It was discovered in 2008 when MESSENGER made its first flyby of the planet. It has an arcuate shape and is about 600 km long. The scarp is a surface manifestation of a thrust fault, which formed when the planet...	-1.9	258.89	HMS Beagle HMS Beagle HMS Beagle was a Cherokee-class 10-gun brig-sloop of the Royal Navy. She was launched on 11 May 1820 from the Woolwich Dockyard on the River Thames, at a cost of £7,803. In July of that year she took part in a fleet review celebrating the coronation of King George IV of the United Kingdom in which... , ship on which Charles Darwin Charles Darwin Charles Robert Darwin FRS was an English naturalist. He established that all species of life have descended over time from common ancestry, and proposed the scientific theory that this branching pattern of evolution resulted from a process that he called natural selection.He published his theory...  sailed
Discovery Rupes Discovery Rupes Discovery Rupes is an escarpment on Mercury approximately long and 2 kilometers high, located at latitude 56.3 S and longitude 38.3 W. It was formed by a thrust fault, thought to have occurred due to the shrinkage of the planet's core as it cooled over time. The scarp cuts through Rameau crater....	-56.3	38.3	HMS Discovery HMS Discovery (1774) HMS Discovery was the consort ship of James Cook's third expedition to the Pacific Ocean in 1776 - 1780. Like Cook's other ships, Discovery was a Whitby-built collier of 298 tons, originally named Diligence when she was built in 1774. Originally a brig, Cook had her changed to a full rigged ship... , ship of Captain Cook
Endeavour Rupes	37.5	31.3	HM Bark Endeavour HM Bark Endeavour HMS Endeavour, also known as HM Bark Endeavour, was a British Royal Navy research vessel commanded by Lieutenant James Cook on his first voyage of discovery, to Australia and New Zealand from 1769 to 1771.... , ship of Captain Cook
Fram Rupes	-56.9	93.3	Fram Fram Fram is a ship that was used in expeditions of the Arctic and Antarctic regions by the Norwegian explorers Fridtjof Nansen, Otto Sverdrup, Oscar Wisting, and Roald Amundsen between 1893 and 1912... , ship of Fridtjof Nansen Fridtjof Nansen Fridtjof Wedel-Jarlsberg Nansen was a Norwegian explorer, scientist, diplomat, humanitarian and Nobel Peace Prize laureate. In his youth a champion skier and ice skater, he led the team that made the first crossing of the Greenland interior in 1888, and won international fame after reaching a... , Otto Sverdrup Otto Sverdrup Otto Neumann Knoph Sverdrup was a Norwegian sailor and Arctic explorer.-Early and personal life:...  and Roald Amundsen Roald Amundsen Roald Engelbregt Gravning Amundsen was a Norwegian explorer of polar regions. He led the first Antarctic expedition to reach the South Pole between 1910 and 1912 and he was the first person to reach both the North and South Poles. He is also known as the first to traverse the Northwest Passage....
Gjöa Rupes	-66.7	159.3	Gjøa Gjøa Gjøa was the first vessel to transit the Northwest Passage. With a crew of six, Roald Amundsen traversed the passage in a three year journey, finishing in 1906.- History :- Construction :... , ship of Roald Amundsen Roald Amundsen Roald Engelbregt Gravning Amundsen was a Norwegian explorer of polar regions. He led the first Antarctic expedition to reach the South Pole between 1910 and 1912 and he was the first person to reach both the North and South Poles. He is also known as the first to traverse the Northwest Passage....
Heemskerck Rupes	25.9	125.3	Ship of Abel Tasman Abel Tasman Abel Janszoon Tasman was a Dutch seafarer, explorer, and merchant, best known for his voyages of 1642 and 1644 in the service of the VOC . His was the first known European expedition to reach the islands of Van Diemen's Land and New Zealand and to sight the Fiji islands...
Hero Rupes Hero Rupes Hero Rupes is an escarpment on Mercury more than 300 kilometers long located in the southern hemisphere of Mercury. Discovered by the Mariner 10 spacecraft in 1974, it was formed by a thrust fault, thought to have occurred due to the shrinkage of the planet's core as it cooled over time.The scarp...	-58.4	171.4	Ship of Nathaniel Palmer Nathaniel Palmer Nathaniel Brown Palmer was an American seal hunter, explorer, sailing captain, and ship designer. He was born in Stonington, Connecticut.-Sealing career and Antarctic exploration:...
Mirni Rupes	-37.3	39.9	Ship of Fabian von Bellingshausen
Pourquoi-Pas Rupes	-58.1	156	Pourquoi Pas? IV Pourquoi Pas ? IV The Pourquoi Pas ? IV was the fourth ship built for Jean-Baptiste Charcot. She completed the second Charcot expedition of the Antarctic regions from 1908 to 1910. Charcot died aboard when she was wrecked on 16 September 1936... , ship of Jean-Baptiste Charcot
Resolution Rupes Resolution Rupes Resolution Rupes is an escarpment on Mercury approximately 190 kilometers long located in the southern hemisphere of Mercury. Discovered by the Mariner 10 spacecraft in 1974, it was formed by a thrust fault, thought to have occurred due to the shrinkage of the planet's core as it cooled over...	-63.8	51.7	HMS Resolution HMS Resolution (Cook) HMS Resolution was a sloop of the Royal Navy, and the ship in which Captain James Cook made his second and third voyages of exploration in the Pacific... , ship of Captain Cook
Santa María Rupes Santa María Rupes Santa María Rupes is an escarpment on Mercury at 5.5°N, 19.7°W. It is named after Santa María, a ship used by Christopher Columbus.The term "rupes" is the Latin word for cliff. And the name Santa María Rupes are named after the Santa Maria, the ship of Christopher Columbus because all rupes are...	5.5	19.7	Santa María Santa María (ship) La Santa María de la Inmaculada Concepción , was the largest of the three ships used by Christopher Columbus in his first voyage. Her master and owner was Juan de la Cosa.-History:... , ship of Christopher Columbus Christopher Columbus Christopher Columbus was an explorer, colonizer, and navigator, born in the Republic of Genoa, in northwestern Italy. Under the auspices of the Catholic Monarchs of Spain, he completed four voyages across the Atlantic Ocean that led to general European awareness of the American continents in the...
Victoria Rupes Victoria Rupes Victoria Rupes is an escarpment at 50.9°N, 31.1°W in the Victoria quadrangle of Mercury. The quadrangle was named after this escarpment, and the escarpment itself was named after a ship belonging to the famous expedition of Ferdinand Magellan....	50.9	31.1	Victoria Victoria (ship) Victoria was a Spanish carrack and the first ship to successfully circumnavigate the world. The Victoria was part of a Spanish expedition commanded by the Portuguese explorer Ferdinand Magellan, and after his demise during the voyage, by Juan Sebastián Elcano... , ship of Ferdinand Magellan Ferdinand Magellan Ferdinand Magellan was a Portuguese explorer. He was born in Sabrosa, in northern Portugal, and served King Charles I of Spain in search of a westward route to the "Spice Islands" ....
Vostok Rupes	-37.7	19.5	Ship of Fabian von Bellingshausen
Zarya Rupes	-42.8	20.5	Zarya Zarya (non-magnetic ship) Zarya was a sailing-motor schooner built in 1952, and since 1953 used by the Russian Academy of Sciences to study Earth's magnetic field.After the Continuation War Finland was ordered by the USSR to provide 50 wooden sailing-motor fishing schooners as reparations. One of them was taken, and in... , a Soviet Soviet Union The Soviet Union , officially the Union of Soviet Socialist Republics , was a constitutionally socialist state that existed in Eurasia between 1922 and 1991....  experimental schooner Schooner A schooner is a type of sailing vessel characterized by the use of fore-and-aft sails on two or more masts with the forward mast being no taller than the rear masts....
Zeehaen Rupes	51	157	Ship of Jules Dumont d'Urville Jules Dumont d'Urville Jules Sébastien César Dumont d'Urville was a French explorer, naval officer and rear admiral, who explored the south and western Pacific, Australia, New Zealand and Antarctica.-Childhood:Dumont was born at Condé-sur-Noireau...