1{
2 "grounding": {
3 "generic": [
4 {
5 "url": "https://en.wikipedia.org/wiki/List_of_tallest_mountains_in_the_Solar_System",
6 "title": "List of tallest mountains in the Solar System",
7 "snippets": [
8 "{\"title\":\"List of tallest mountains in the Solar System\",\"table\":[{\"Planet\":\"Mercury\",\"Tallest peak\":\"Caloris Montes\",\"Base-to-peak height\":\"≤ 3 km (1.9 mi)\",\"% of radius\":\"0.12\",\"Origin\":\"impact\",\"Notes\":\"Formed by the Caloris impact\"},{\"Planet\":\"Venus\",\"Tallest peak\":\"Maat Mons\",\"Base-to-peak height\":\"4.9 km (3.0 mi) (approx.)\",\"% of radius\":\"0.081\",\"Origin\":\"volcanic\",\"Notes\":\"Highest volcano on Venus\"},{\"Planet\":\"Earth\",\"Tallest peak\":\"Mauna Kea and Mauna Loa\",\"Base-to-peak height\":\"10.2 km (6.3 mi)\",\"% of radius\":\"0.16\",\"Origin\":\"volcanic\",\"Notes\":\"4.2 km (2.6 mi) of this is above sea level\"},{\"Planet\":\"Earth\",\"Tallest peak\":\"Haleakalā\",\"Base-to-peak height\":\"9.1 km (5.7 mi)\",\"% of radius\":\"0.14\",\"Origin\":\"volcanic\",\"Notes\":\"Rises 3.1 km above sea level\"},{\"Planet\":\"Earth\",\"Tallest peak\":\"Pico del Teide\",\"Base-to-peak height\":\"7.5 km (4.7 mi)\",\"% of radius\":\"0.12\",\"Origin\":\"volcanic\",\"Notes\":\"Rises 3.7 km above sea level\"},{\"Planet\":\"Earth\",\"Tallest peak\":\"Denali (Mount McKinley)\",\"Base-to-peak height\":\"5.3 to 5.9 km (3.3 to 3.7 mi)\",\"% of radius\":\"0.093\",\"Origin\":\"tectonic\",\"Notes\":\"Tallest mountain base-to-peak on land\"},{\"Planet\":\"Earth\",\"Tallest peak\":\"Mount Everest\",\"Base-to-peak height\":\"3.6 to 4.6 km (2.2 to 2.9 mi)\",\"% of radius\":\"0.072\",\"Origin\":\"tectonic\",\"Notes\":\"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).\"},{\"Planet\":\"Moon\",\"Tallest peak\":\"Mons Huygens\",\"Base-to-peak height\":\"5.3 km (3.3 mi)\",\"% of radius\":\"0.31\",\"Origin\":\"impact\",\"Notes\":\"Formed by the Imbrium impact.\"},{\"Planet\":\"Moon\",\"Tallest peak\":\"Mons Mouton\",\"Base-to-peak height\":\"6 km (3.7 mi)\",\"% of radius\":\"0.35\",\"Origin\":\"impact\",\"Notes\":\"Possibly formed by the South Pole-Aitken basin impact.\"},{\"Planet\":\"Moon\",\"Tallest peak\":\"Southern Farside Mountain\",\"Base-to-peak height\":\"7 km (4.3 mi)\",\"% of radius\":\"0.40\",\"Origin\":\"impact\",\"Notes\":\"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.\"},{\"Planet\":\"Moon\",\"Tallest peak\":\"Mons Hadley\",\"Base-to-peak height\":\"4.5 km (2.8 mi)\",\"% of radius\":\"0.26\",\"Origin\":\"impact\",\"Notes\":\"Formed by the Imbrium impact\"},{\"Planet\":\"Moon\",\"Tallest peak\":\"Mons Rümker\",\"Base-to-peak height\":\"1.3 km (0.81 mi)\",\"% of radius\":\"0.063\",\"Origin\":\"volcanic\",\"Notes\":\"Largest volcanic construct on the Moon\"},{\"Planet\":\"Mars\",\"Tallest peak\":\"Olympus Mons\",\"Base-to-peak height\":\"21.9–26 km (13.6–16.2 mi; 72,000–85,000 ft)\",\"% of radius\":\"0.65\",\"Origin\":\"volcanic\",\"Notes\":\"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.\"},{\"Planet\":\"Mars\",\"Tallest peak\":\"Ascraeus Mons\",\"Base-to-peak height\":\"14.9 km (9.3 mi)\",\"% of radius\":\"0.44\",\"Origin\":\"volcanic\",\"Notes\":\"Tallest of the three Tharsis Montes\"},{\"Planet\":\"Mars\",\"Tallest peak\":\"Elysium Mons\",\"Base-to-peak height\":\"12.6 km (7.8 mi)\",\"% of radius\":\"0.37\",\"Origin\":\"volcanic\",\"Notes\":\"Highest volcano in Elysium\"},{\"Planet\":\"Mars\",\"Tallest peak\":\"Arsia Mons\",\"Base-to-peak height\":\"11.7 km (7.3 mi)\",\"% of radius\":\"0.35\",\"Origin\":\"volcanic\",\"Notes\":\"Summit caldera is 108 to 138 km (67 to 86 mi) across\"},{\"Planet\":\"Mars\",\"Tallest peak\":\"Pavonis Mons\",\"Base-to-peak height\":\"8.4 km (5.2 mi)\",\"% of radius\":\"0.25\",\"Origin\":\"volcanic\",\"Notes\":\"Summit caldera is 4.8 km (3.0 mi) deep\"},{\"Planet\":\"Mars\",\"Tallest peak\":\"Anseris Mons\",\"Base-to-peak height\":\"6.2 km (3.9 mi)\",\"% of radius\":\"0.18\",\"Origin\":\"impact\",\"Notes\":\"Among the highest nonvolcanic peaks on Mars, formed by the Hellas impact\"},{\"Planet\":\"Mars\",\"Tallest peak\":\"Aeolis Mons (\\\"Mount Sharp\\\")\",\"Base-to-peak height\":\"4.5 to 5.5 km (2.8 to 3.4 mi)\",\"% of radius\":\"0.16\",\"Origin\":\"deposition and erosion\",\"Notes\":\"Formed from deposits in Gale crater; the MSL rover has been ascending it since November 2014.\"},{\"Planet\":\"Vesta\",\"Tallest peak\":\"Rheasilvia central peak\",\"Base-to-peak height\":\"20–22 km (12–14 mi; 66,000–72,000 ft)\",\"% of radius\":\"8.4\",\"Origin\":\"impact\",\"Notes\":\"Almost 200 km (120 mi) wide. See also: List of largest craters in the Solar System\"},{\"Planet\":\"Ceres\",\"Tallest peak\":\"Ahuna Mons\",\"Base-to-peak height\":\"4 km (2.5 mi)\",\"% of radius\":\"0.85\",\"Origin\":\"cryovolcanic\",\"Notes\":\"Isolated steep-sided dome in relatively smooth area; max. height of ~ 5 km on steepest side; roughly antipodal to largest impact basin on Ceres\"},{\"Planet\":\"Io\",\"Tallest peak\":\"Boösaule Montes \\\"South\\\"\",\"Base-to-peak height\":\"17.5 to 18.2 km (10.9 to 11.3 mi)\",\"% of radius\":\"1.0\",\"Origin\":\"tectonic\",\"Notes\":\"Has a 15 km (9 mi) high scarp on its SE margin\"},{\"Planet\":\"Io\",\"Tallest peak\":\"Ionian Mons east ridge\",\"Base-to-peak height\":\"12.7 km (7.9 mi) (approx.)\",\"% of radius\":\"0.70\",\"Origin\":\"tectonic\",\"Notes\":\"Has the form of a curved double ridge\"},{\"Planet\":\"Io\",\"Tallest peak\":\"Euboea Montes\",\"Base-to-peak height\":\"10.5 to 13.4 km (6.5 to 8.3 mi)\",\"% of radius\":\"0.74\",\"Origin\":\"tectonic\",\"Notes\":\"A NW flank landslide left a 25,000 km3 debris apron\"},{\"Planet\":\"Io\",\"Tallest peak\":\"unnamed (245° W, 30° S)\",\"Base-to-peak height\":\"2.5 km (1.6 mi) (approx.)\",\"% of radius\":\"0.14\",\"Origin\":\"volcanic\",\"Notes\":\"One of the tallest of Io's many volcanoes, with an atypical conical form\"},{\"Planet\":\"Mimas\",\"Tallest peak\":\"Herschel central peak\",\"Base-to-peak height\":\"7 km (4 mi) (approx.)\",\"% of radius\":\"3.5\",\"Origin\":\"impact\",\"Notes\":\"See also: List of largest craters in the Solar System\"},{\"Planet\":\"Dione\",\"Tallest peak\":\"Janiculum Dorsa\",\"Base-to-peak height\":\"1.5 km (0.9 mi)\",\"% of radius\":\"0.27\",\"Origin\":\"tectonic\",\"Notes\":\"Surrounding crust depressed ca. 0.3 km.\"},{\"Planet\":\"Titan\",\"Tallest peak\":\"Mithrim Montes\",\"Base-to-peak height\":\"≤ 3.3 km (2.1 mi)\",\"% of radius\":\"0.13\",\"Origin\":\"tectonic\",\"Notes\":\"May have formed due to global contraction\"},{\"Planet\":\"Titan\",\"Tallest peak\":\"Doom Mons\",\"Base-to-peak height\":\"1.45 km (0.90 mi)\",\"% of radius\":\"0.056\",\"Origin\":\"cryovolcanic\",\"Notes\":\"Adjacent to Sotra Patera, a 1.7 km (1.1 mi) deep collapse feature\"},{\"Planet\":\"Iapetus\",\"Tallest peak\":\"equatorial ridge\",\"Base-to-peak height\":\"20 km (12 mi) (approx.)\",\"% of radius\":\"2.7\",\"Origin\":\"uncertain\",\"Notes\":\"Individual peaks have not been measured\"},{\"Planet\":\"Oberon\",\"Tallest peak\":\"unnamed (\\\"limb mountain\\\")\",\"Base-to-peak height\":\"11 km (7 mi) (approx.)\",\"% of radius\":\"1.4\",\"Origin\":\"impact (?)\",\"Notes\":\"A value of 6 km was given shortly after the Voyager 2 encounter\"},{\"Planet\":\"Pluto\",\"Tallest peak\":\"Tenzing Montes, peak \\\"T2\\\"\",\"Base-to-peak height\":\"~6.2 km (3.9 mi)\",\"% of radius\":\"0.52\",\"Origin\":\"tectonic (?)\",\"Notes\":\"Composed of water ice; named after Tenzing Norgay\"},{\"Planet\":\"Pluto\",\"Tallest peak\":\"Piccard Mons\",\"Base-to-peak height\":\"~5.5 km (3.4 mi)\",\"% of radius\":\"0.46\",\"Origin\":\"cryovolcanic (?)\",\"Notes\":\"~220 km across; central depression is 11 km deep\"},{\"Planet\":\"Pluto\",\"Tallest peak\":\"Wright Mons\",\"Base-to-peak height\":\"~4.7 km (2.9 mi)\",\"% of radius\":\"0.40\",\"Origin\":\"cryovolcanic (?)\",\"Notes\":\"~160 km across; summit depression ~56 km across and 4.5 km deep\"},{\"Planet\":\"Charon\",\"Tallest peak\":\"Butler Mons\",\"Base-to-peak height\":\"≥ 4.5 km (2.8 mi)\",\"% of radius\":\"0.74\",\"Origin\":\"tectonic (?)\",\"Notes\":\"Vulcan Planitia, the southern plains, has several isolated peaks, possibly tilted crustal blocks\"},{\"Planet\":\"Charon\",\"Tallest peak\":\"Dorothy central peak\",\"Base-to-peak height\":\"~4.0 km (2.5 mi)\",\"% of radius\":\"0.66\",\"Origin\":\"impact\",\"Notes\":\"North polar impact basin Dorothy, Charon's largest, is ~240 km across and 6 km deep\"},{\"Planet\":\"Máni\",\"Tallest peak\":\"unnamed\",\"Base-to-peak height\":\"25 km (16 mi)\",\"% of radius\":\"6.3\",\"Origin\":\"impact\",\"Notes\":\"Discovered by stellar occultation; it is unclear whether this feature is a genuine topographic peak or a transiting/occulting satellite.\"}],\"caption\":\"List\",\"headers\":[\"List of t",
9 "## List\n### Tallest mountains by elevation\n* Olympus Mons 72,000 ft (22,000 m)\n\n* Equatorial Ridge 65,617 ft (20,000 m)\n\n* Boösaule Mons 59,711 ft (18,200 m)\n\n* Ascraeus Mons 49,000 ft (15,000 m)\n\n* Ionian Mons 41,667 ft (12,700 m)\n\n* Elysium Mons 41,338 ft (12,600 m)\n\n* Arsia Mons 38,386 ft (11,700 m)\n\n* Limb Mountain 36,089 ft (11,000 m)\n\n* Euboea Montes 34,449 ft (10,500 m)\n\n* Mauna Kea 33,500 ft (10,200 m)\n\n* Mount Everest 29,029 ft (8,848 m)\n\n* Herschel Peak 22,966 ft (7,000 m)\n\n* Anseris Mons 20,341 ft (6,200 m)\n\n* Tenzing Montes 20,341 ft (6,200 m)\n\n* Denali/Mount McKinley 20,310 ft (6,190 m)\n\n* Mount Kilimanjaro 19,341 ft (5,895 m)\n\n* Mons Huygens 18,045 ft (5,500 m)\n\n* Aeolis Mons 18,045 ft (5,500 m)\n\n* Piccard Mons 18,045 ft (5,500 m)\n\n* Maat Mons 16,076 ft (4,900 m)\n\n* Wright Mons 15,420 ft (4,700 m)\n\n* Mons Hadley 14,764 ft (4,500 m)\n\n* Butler Mons 14,764 ft (4,500 m)\n\n* Ahuna Mons 13,500 ft (4,100 m)\n\n* Dorothy Peak 13,123 ft (4,000 m)\n\n* Mithrim Montes 10,948 ft (3,337 m)\n\n* Haleakalā 10,023 ft (3,055 m)\n\n* Caloris Montes 9,843 ft (3,000 m)\n\n* Io (unnamed peak) 8,202 ft (2,500 m)\n\n* Janiculum Dorsa 4,921 ft (1,500 m)\n\n* Doom Mons 4,757 ft (1,450 m)\n\n* Mons Rümker 4,265 ft (1,300 m)"
10 ]
11 },
12 ...
13 ],
14 "map": []
15 },
16 "sources": {
17 "https://en.wikipedia.org/wiki/List_of_tallest_mountains_in_the_Solar_System": {
18 "title": "List of tallest mountains in the Solar System",
19 "hostname": "en.wikipedia.org",
20 "age": [
21 "Friday, February 06, 2026",
22 "2026-02-06",
23 "11 days ago"
24 ]
25 },
26 ...
27 }
28}