List of tallest mountains in the Solar System

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This is a list of the tallest mountains in the Solar System. This list includes peaks on all celestial bodies where significant mountains have been detected. For some celestial bodies, different peaks are given across different types of measurement. The solar system's tallest mountain is possibly the Olympus Mons on Mars with an altitude of 21.9 to 26 km. The central peak of Rheasilvia on the asteroid Vesta is also a candidate to be the tallest, with an estimated height between 19 and 22 km from peak to base.

List

Heights are given from base to peak (although a precise definition for mean base level is lacking). Peak elevations above sea level are only available on Earth, and possibly Titan. On other planets, peak elevations above an equipotential surface or a reference ellipsoid could be used if enough data is available for the calculation, but this is often not the case.

Planet Tallest peak(s) Base-to-peak height % of radius Origin Notes
Mercury Caloris Montes ≤ 3 km (1.9 mi) 0.12 impact Formed by the Caloris impact
Venus Maat Mons 4.9 km (3.0 mi) (approx.) 0.081 volcanic Highest volcano on Venus
Earth Mauna Kea and Mauna Loa 10.2 km (6.3 mi) 0.16 volcanic 4.2 km (2.6 mi) of this is above sea level
Haleakalā 9.1 km (5.7 mi) 0.14 volcanic Rises 3.1 km above sea level
Pico del Teide 7.5 km (4.7 mi) 0.12 volcanic Rises 3.7 km above sea level
Denali (Mount McKinley) 5.3 to 5.9 km (3.3 to 3.7 mi) 0.093 tectonic Tallest mountain base-to-peak on land
Mount Everest 3.6 to 4.6 km (2.2 to 2.9 mi) 0.072 tectonic 4.6 km on north face, 3.6 km on south face; highest elevation (8.8 km) above sea level, as well as by wet and dry prominence (but not among the tallest from base to peak, nor in distance to Earth's center, as Chimborazo rises highest).
Moon Mons Huygens 5.3 km (3.3 mi) 0.31 impact Formed by the Imbrium impact.
Mons Mouton 6 km (3.7 mi) 0.35 impact Possibly formed by the South Pole-Aitken basin impact.
Southern Farside Mountain 7 km (4.3 mi) 0.40 impact Informal name of the Moon's tallest free-standing mountain. Possibly formed by the South Pole-Aitken basin impact. Not highest lunar peak by prominence, which would be Selenean summit.
Mons Hadley 4.5 km (2.8 mi) 0.26 impact Formed by the Imbrium impact
Mons Rümker 1.3 km (0.81 mi) 0.063 volcanic Largest volcanic construct on the Moon
Mars Olympus Mons 21.9–26 km (13.6–16.2 mi; 72,000–85,000 ft) 0.65 volcanic Tallest mountain in the Solar System. Rises 26 km above northern plains, (dry prominence) 1000 km away. Summit calderas are 60×80 km wide, up to 3.2 km deep; scarp around margin is up to 8 km high. A shield volcano, the mean flank slope is a modest 5.2 degrees.
Ascraeus Mons 14.9 km (9.3 mi) 0.44 volcanic Tallest of the three Tharsis Montes
Elysium Mons 12.6 km (7.8 mi) 0.37 volcanic Highest volcano in Elysium
Arsia Mons 11.7 km (7.3 mi) 0.35 volcanic Summit caldera is 108 to 138 km (67 to 86 mi) across
Pavonis Mons 8.4 km (5.2 mi) 0.25 volcanic Summit caldera is 4.8 km (3.0 mi) deep
Anseris Mons 6.2 km (3.9 mi) 0.18 impact Among the highest nonvolcanic peaks on Mars, formed by the Hellas impact
Aeolis Mons ("Mount Sharp") 4.5 to 5.5 km (2.8 to 3.4 mi) 0.16 deposition and erosion Formed from deposits in Gale crater; the MSL rover has been ascending it since November 2014.
Vesta Rheasilvia central peak 20–22 km (12–14 mi; 66,000–72,000 ft) 8.4 impact Almost 200 km (120 mi) wide. See also: List of largest craters in the Solar System
Ceres Ahuna Mons 4 km (2.5 mi) 0.85 cryovolcanic Isolated steep-sided dome in relatively smooth area; max. height of ~ 5 km on steepest side; roughly antipodal to largest impact basin on Ceres
Io Boösaule Montes "South" 17.5 to 18.2 km (10.9 to 11.3 mi) 1.0 tectonic Has a 15 km (9 mi) high scarp on its SE margin
Ionian Mons east ridge 12.7 km (7.9 mi) (approx.) 0.70 tectonic Has the form of a curved double ridge
Euboea Montes 10.5 to 13.4 km (6.5 to 8.3 mi) 0.74 tectonic A NW flank landslide left a 25,000 km3 debris apron
unnamed (245° W, 30° S) 2.5 km (1.6 mi) (approx.) 0.14 volcanic One of the tallest of Io's many volcanoes, with an atypical conical form
Mimas Herschel central peak 7 km (4 mi) (approx.) 3.5 impact See also: List of largest craters in the Solar System
Dione Janiculum Dorsa 1.5 km (0.9 mi) 0.27 tectonic Surrounding crust depressed ca. 0.3 km.
Titan Mithrim Montes ≤ 3.3 km (2.1 mi) 0.13 tectonic May have formed due to global contraction
Doom Mons 1.45 km (0.90 mi) 0.056 cryovolcanic Adjacent to Sotra Patera, a 1.7 km (1.1 mi) deep collapse feature
Iapetus equatorial ridge 20 km (12 mi) (approx.) 2.7 uncertain Individual peaks have not been measured
Oberon unnamed ("limb mountain") 11 km (7 mi) (approx.) 1.4 impact (?) A value of 6 km was given shortly after the Voyager 2 encounter
Pluto Tenzing Montes, peak "T2" ~6.2 km (3.9 mi) 0.52 tectonic (?) Composed of water ice; named after Tenzing Norgay
Piccard Mons ~5.5 km (3.4 mi) 0.46 cryovolcanic (?) ~220 km across; central depression is 11 km deep
Wright Mons ~4.7 km (2.9 mi) 0.40 cryovolcanic (?) ~160 km across; summit depression ~56 km across and 4.5 km deep
Charon Butler Mons ≥ 4.5 km (2.8 mi) 0.74 tectonic (?) Vulcan Planitia, the southern plains, has several isolated peaks, possibly tilted crustal blocks
Dorothy central peak ~4.0 km (2.5 mi) 0.66 impact North polar impact basin Dorothy, Charon's largest, is ~240 km across and 6 km deep
Máni unnamed 25 km (16 mi) 6.3 impact Discovered by stellar occultation; it is unclear whether this feature is a genuine topographic peak or a transiting/occulting satellite.

Tallest mountains by elevation

  • Olympus Mons 72,000 ft (22,000 m)
  • Equatorial Ridge 65,617 ft (20,000 m)
  • Boösaule Mons 59,711 ft (18,200 m)
  • Ascraeus Mons 49,000 ft (15,000 m)
  • Ionian Mons 41,667 ft (12,700 m)
  • Elysium Mons 41,338 ft (12,600 m)
  • Arsia Mons 38,386 ft (11,700 m)
  • Limb Mountain 36,089 ft (11,000 m)
  • Euboea Montes 34,449 ft (10,500 m)
  • Mauna Kea 33,500 ft (10,200 m)
  • Mount Everest 29,029 ft (8,848 m)
  • Herschel Peak 22,966 ft (7,000 m)
  • Anseris Mons 20,341 ft (6,200 m)
  • Tenzing Montes 20,341 ft (6,200 m)
  • Denali/Mount McKinley 20,310 ft (6,190 m)
  • Mount Kilimanjaro 19,341 ft (5,895 m)
  • Mons Huygens 18,045 ft (5,500 m)
  • Aeolis Mons 18,045 ft (5,500 m)
  • Piccard Mons 18,045 ft (5,500 m)
  • Maat Mons 16,076 ft (4,900 m)
  • Wright Mons 15,420 ft (4,700 m)
  • Mons Hadley 14,764 ft (4,500 m)
  • Butler Mons 14,764 ft (4,500 m)
  • Ahuna Mons 13,500 ft (4,100 m)
  • Dorothy Peak 13,123 ft (4,000 m)
  • Mithrim Montes 10,948 ft (3,337 m)
  • Haleakalā 10,023 ft (3,055 m)
  • Caloris Montes 9,843 ft (3,000 m)
  • Io (unnamed peak) 8,202 ft (2,500 m)
  • Janiculum Dorsa 4,921 ft (1,500 m)
  • Doom Mons 4,757 ft (1,450 m)
  • Mons Rümker 4,265 ft (1,300 m)

The following images are shown in order of decreasing base-to-peak height.

See also

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