Mountain Name Coordinates Feature diameter (kilometers) Peak elevation (kilometers) Aeolis Mons (unofficially, "Mount Sharp")[1] [2] [3] [4] 5°05′S 137°51′E / 5.08°S 137.85°E (Mount Sharp ) 89 5.5 Alba Mons 41°06′N 249°18′E / 41.1°N 249.3°E (Alba Mons ) 548 6.8 Albor Tholus 18°52′N 150°28′E / 18.87°N 150.47°E (Albor Tholus ) 170 4.5 Anseris Mons 29°49′S 86°39′E / 29.81°S 86.65°E (Anseris Mons ) 58 4.2 Aonia Mons 53°18′N 272°06′E / 53.3°N 272.1°E (Aonia Mons ) 27 Aonia Tholus 59°00′S 280°00′E / 59.0°S 280.0°E (Aonia Tholus ) 54 Apollinaris Mons 9°12′S 174°48′E / 9.2°S 174.8°E (Apollinaris Mons ) 275 5.0 Apollinaris Tholus 64°00′S 175°45′E / 64°S 175.75°E (Apollinaris Tholus ) 33 3.2 Argyre Mons 50°24′S 311°54′E / 50.4°S 311.9°E (Argyre Mons ) 61 Arsia Mons 8°24′S 239°55′E / 8.4°S 239.91°E (Arsia Mons ) 475 20.0 Ascraeus Mons 11°55′N 255°55′E / 11.92°N 255.92°E (Ascraeus Mons ) 460 18.2 Ausonia Montes 25°25′S 99°02′E / 25.42°S 99.04°E (Ausonia Montes ) 158 1.4 Australe Montes 80°11′S 14°03′E / 80.19°S 14.05°E (Australe Montes ) 387 5.0 Biblis Tholus 2°30′N 235°36′E / 2.5°N 235.6°E (Biblis Tholus ) 169 3.0 Centauri Montes 38°40′S 95°31′E / 38.67°S 95.52°E (Centauri Montes ) 270 1.4 Ceraunius Tholus 24°15′N 262°45′E / 24.25°N 262.75°E (Ceraunius Tholus ) 130 7.5 Cerberus Tholi 4°30′N 164°24′E / 4.5°N 164.4°E (Cerberus Tholi ) 698 Chalce Montes 53°43′S 322°21′E / 53.72°S 322.35°E (Chalce Montes ) 95 2.3 Charitum Montes 58°06′S 319°43′E / 58.1°S 319.71°E (Charitum Montes ) 850 2.5 Chronius Mons 61°30′S 178°00′E / 61.5°S 178.0°E (Chronius Mons ) 56 Coprates Montes 13°00′S 294°36′E / 13°S 294.6°E (Coprates Montes ) 350 Coronae Montes 34°19′S 86°07′E / 34.31°S 86.11°E (Coronae Montes ) 236 E. Mareotis Tholus 36°14′N 274°52′E / 36.24°N 274.87°E (E. Mareotis Tholus ) 5.0 0.6 Echus Montes 7°49′N 282°03′E / 7.81°N 282.05°E (Echus Montes ) 395 Electris Mons 45°42′S 152°42′E / 45.7°S 152.7°E (Electris Mons ) 105 Eridania Mons 57°00′S 137°54′E / 57.0°S 137.9°E (Eridania Mons ) 143 Elysium Mons 25°01′N 147°13′E / 25.02°N 147.21°E (Elysium Mons ) 410 13.9 Erebus Montes 35°40′N 185°12′E / 35.66°N 185.2°E (Erebus Montes ) 785 Euripus Mons 44°49′S 105°11′E / 44.82°S 105.18°E (Euripus Mons ) 91 4.5 Galaxius Mons 34°46′N 142°19′E / 34.76°N 142.31°E (Galaxius Mons ) 22 Geryon Montes 7°43′S 278°23′E / 7.72°S 278.38°E (Geryon Montes ) 359 2.3 Gonnus Mons 41°13′N 269°07′E / 41.21°N 269.12°E (Gonnus Mons ) 57 2.9 Hadriacus Mons 31°17′S 91°52′E / 31.29°S 91.86°E (Hadriacus Mons ) 450 Hecates Tholus 32°25′N 150°14′E / 32.42°N 150.24°E (Hecates Tholus ) 183 4.7 Hellas Montes 37°38′S 97°37′E / 37.63°S 97.61°E (Hellas Montes ) 153 1.3 Hellespontus Montes 44°22′S 42°46′E / 44.37°S 42.76°E (Hellespontus Montes ) 730 Hibes Montes 3°47′N 171°20′E / 3.79°N 171.34°E (Hibes Montes ) 137 Horarum Mons 51°03′S 323°26′E / 51.05°S 323.44°E (Horarum Mons ) 20 Issedon Tholus 36°23′N 265°10′E / 36.38°N 265.17°E (Issedon Tholus ) 52 0.8 Jovis Tholus 18°25′N 242°35′E / 18.41°N 242.59°E (Jovis Tholus ) 58 3.0 Labeatis Mons 37°29′N 284°08′E / 37.48°N 284.14°E (Labeatis Mons ) 22.5 1.9 Libya Montes 1°26′N 88°14′E / 1.44°N 88.23°E (Libya Montes ) 1,170 2.1 "Mount Sharp" (officially, Aeolis Mons)[1] [2] [3] [4] 5°05′S 137°51′E / 5.08°S 137.85°E (Mount Sharp ) 89 5.5 N. Mareotis Tholus 36°42′N 273°47′E / 36.7°N 273.79°E (N. Mareotis Tholus ) 3.0 0.8 Nectaris Montes 14°36′S 305°24′E / 14.6°S 305.4°E (Nectaris Montes ) 220 Nereidum Montes 37°34′S 316°47′E / 37.57°S 316.79°E (Nereidum Montes ) 1,130 1.9 Nia Tholus 6°36′S 285°06′E / 6.6°S 285.1°E (Nia Tholus ) 34 Nili Tholus 9°12′N 67°24′E / 9.2°N 67.4°E (Nili Tholus ) 7 Oceanidum Mons(formerly Charitum Tholus) 55°12′S 41°18′E / 55.2°S 41.3°E (Oceanidum Mons ) 33 Octantis Mons 54°56′S 318°46′E / 54.93°S 318.77°E (Octantis Mons ) 19 Olympus Mons (largest known mountain in Solar System ) 18°39′N 226°12′E / 18.65°N 226.2°E (Olympus Mons ) 648 27.0 Pavonis Mons 1°29′N 247°02′E / 1.48°N 247.04°E (Pavonis Mons ) 375 14.0 Peraea Mons 31°05′S 86°07′E / 31.08°S 86.11°E (Peraea Mons ) 21.5 Phlegra Montes 40°24′N 163°43′E / 40.4°N 163.71°E (Phlegra Montes ) 1,350 Pindus Mons 39°28′N 271°29′E / 39.47°N 271.48°E (Pindus Mons ) 16.5 1.1 Promethei Mons 70°36′S 87°24′E / 70.6°S 87.4°E (Promethei Mons ) 65.2 Scandia Tholi 74°05′N 201°17′E / 74.09°N 201.28°E (Scandia Tholi ) 480 Sirenum Mons 38°12′S 212°12′E / 38.2°S 212.2°E (Sirenum Mons ) 123 Sirenum Tholus 34°36′S 215°12′E / 34.6°S 215.2°E (Sirenum Tholus ) 54 Sisyphi Montes 69°39′S 13°05′E / 69.65°S 13.08°E (Sisyphi Montes ) 200 Sisyphi Tholus 75°42′S 341°30′E / 75.7°S 341.5°E (Sisyphi Tholus ) 28 2.1 Syria Mons 13°55′S 104°18′E / 13.92°S 104.3°E (Syria Mons ) 80 6.7 Tanaica Montes 39°33′N 269°10′E / 39.55°N 269.17°E (Tanaica Montes ) 177 Tartarus Montes 15°28′N 167°32′E / 15.46°N 167.54°E (Tartarus Montes ) 1,070 Tharsis Montes 1°34′N 247°25′E / 1.57°N 247.42°E (Tharsis Montes ) 1,840 Tharsis Tholus 13°25′N 269°19′E / 13.41°N 269.31°E (Tharsis Tholus ) 158 9.0 Thyles Montes 69°54′S 126°30′E / 69.9°S 126.5°E (Thyles Montes ) 380 Tyrrhenus Mons (Tyrrhena Mons) 21°38′S 105°53′E / 21.63°S 105.88°E (Tyrrhena Mons ) 143 Ulysses Tholus 3°00′N 238°30′E / 3.0°N 238.5°E (Ulysses Tholus ) 102 Uranius Mons 26°54′N 267°54′E / 26.9°N 267.9°E (Uranius Mons ) 265 4.9 Uranius Tholus 26°31′N 262°26′E / 26.52°N 262.43°E (Uranius Tholus ) 62 4.3 W. Mareotis Tholus 35°53′N 272°02′E / 35.88°N 272.04°E (W. Mareotis Tholus ) 12.0 1.3 Xanthe Montes 18°08′N 305°05′E / 18.13°N 305.08°E (Xanthe Montes ) 500 Zephyria Tholus 19°58′S 172°55′E / 19.96°S 172.92°E (Zephyria Tholus ) 30.5 2.8