Name 
Coordinates 
Length (km) 
Namesake 
Notes
  
Abus Vallis 5°32′S  212°42′E  /  5.54°S 212.7°E  / -5.54; 212.7  58.0 
Classical name for Humber River  
  
Al-Qahira Vallis 18°13′S  162°30′E  /  18.21°S 162.5°E  / -18.21; 162.5  555.0 
Word for "Mars" in Arabic  
  
Allegheny Vallis 9°06′S  306°00′E  /  9.1°S 306.0°E  / -9.1; 306.0  200.0 
Allegheny River 
  
Anio Valles 37°47′N  55°54′E  /  37.78°N 55.9°E  / 37.78; 55.9  36.5 
Classical name for Aniene River  in Italy 
  
Apsus Vallis 34°47′N  135°00′E  /  34.79°N 135.0°E  / 34.79; 135.0  120.0 
Classical name for Seman River  in Albania 
  
Arda Valles 20°35′S  327°42′E  /  20.59°S 327.7°E  / -20.59; 327.7  186.0 
Arda River 
  
Ares Vallis 10°17′N  334°12′E  /  10.29°N 334.2°E  / 10.29; 334.2  1700.0 
Word for "Mars" in Greek : Άρης  
Landing site of the Mars Pathfinder   
Arnus Vallis 13°57′N  72°30′E  /  13.95°N 72.5°E  / 13.95; 72.5  280.0 
Arno River 
  
Asopus Vallis 4°21′S  210°18′E  /  4.35°S 210.3°E  / -4.35; 210.3  33.0 
Classical name for Boeotian Asopus  river in Greece 
  
Athabasca Valles 8°30′N  155°00′E  /  8.5°N 155.0°E  / 8.5; 155.0  285.0 
Athabasca River Carved by water from Cerberus Fossae 
  
Auqakuh Vallis 30°07′N  60°06′E  /  30.12°N 60.1°E  / 30.12; 60.1  312.0 
Word for "Mars" in Quechua  
  
Axius Valles 55°42′S  70°06′E  /  55.7°S 70.1°E  / -55.7; 70.1  349.0 
Classical name for Vardar River  in Greece 
  
Bahram Vallis 20°29′N  302°30′E  /  20.49°N 302.5°E  / 20.49; 302.5  246.9 
Word for "Mars" in Persian 
  
Bashkaus Valles 25°42′S  356°42′E  /  25.7°S 356.7°E  / -25.7; 356.7  302.0 
Bashkaus River 
  
Brazos Valles 6°14′S  18°54′E  /  6.23°S 18.9°E  / -6.23; 18.9  458.0 
Brazos River 
  
Buvinda Vallis 33°06′N  151°54′E  /  33.1°N 151.9°E  / 33.1; 151.9  119.6 
Classical name for River Boyne  in Ireland 
  
Chico Valles 66°46′S  206°30′E  /  66.77°S 206.5°E  / -66.77; 206.5  450.0 
River in Argentina. 
  
Clanis Valles 33°12′N  58°24′E  /  33.2°N 58.4°E  / 33.2; 58.4  58.0 
Classical name for the river Chiani  in Italy 
  
Clasia Vallis 33°48′N  56°54′E  /  33.8°N 56.9°E  / 33.8; 56.9  125.0 
Classical river in Umbria, Italy 
  
Clota Vallis 25°33′S  339°24′E  /  25.55°S 339.4°E  / -25.55; 339.4  112.0 
Ancient name for River Clyde  in Scotland 
  
Columbia Valles 9°25′S  317°05′E  /  9.42°S 317.08°E  / -9.42; 317.08  94.0 
Columbia River 
  
Coogoon Valles 17°07′S  338°06′E  /  17.12°S 338.1°E  / -17.12; 338.1  300.0 
River in Australia 
  
Cusus Valles 14°20′N  50°30′E  /  14.34°N 50.5°E  / 14.34; 50.5  249.0 
Classical name for Hron River  in Slovakia 
  
Daga Vallis 11°59′S  317°37′E  /  11.99°S 317.62°E  / -11.99; 317.62  70.0 
Dagā River  in Burma
  
Dao Vallis 38°23′S  87°54′E  /  38.38°S 87.9°E  / -38.38; 87.9  816.0 
Word for "star" in Thai  
  
Deva Vallis 7°37′S  203°00′E  /  7.61°S 203.0°E  / -7.61; 203.0  48.0 
Classical name for River Dee  in Scotland 
  
Dittaino Valles 1°29′S  293°00′E  /  1.48°S 293.0°E  / -1.48; 293.0  138.0 
Dittaino River 
  
Doanus Vallis 63°02′S  334°24′E  /  63.04°S 334.4°E  / -63.04; 334.4  131.0 
Classical river shown in Ptolemy's map; possibly Mekong River 
  
Drava Valles 48°41′S  166°18′E  /  48.68°S 166.3°E  / -48.68; 166.3  150.0 
Drava River 
  
Drilon Vallis 7°13′N  307°36′E  /  7.22°N 307.6°E  / 7.22; 307.6  94.0 
Classical name for Drin River  in Albania 
  
Dubis Vallis 5°14′S  211°48′E  /  5.24°S 211.8°E  / -5.24; 211.8  37.0 
Classical name for Doubs River  in France 
  
Dulce Vallis 4°48′S  136°30′E  /  4.8°S 136.5°E  / -4.8; 136.5  32.5 
Dulce River 
  
Durius Valles 17°25′S  172°06′E  /  17.41°S 172.1°E  / -17.41; 172.1  223.0 
Classical name for Douro River  in Portugal 
  
Dzigai Vallis 58°31′S  323°24′E  /  58.51°S 323.4°E  / -58.51; 323.4  326.0 
Word for "valley" in Navajo  
  
Elaver Vallis 9°23′S  310°30′E  /  9.39°S 310.5°E  / -9.39; 310.5  160.0 
Classical name for Allier River  in France 
  
Enipeus Vallis 36°41′N  266°54′E  /  36.69°N 266.9°E  / 36.69; 266.9  357.0 
Classical name for Enipeas River  in Greece 
  
Evros Vallis 12°34′S  13°54′E  /  12.56°S 13.9°E  / -12.56; 13.9  335.0 
Evros River 
  
Frento Vallis 49°59′S  345°30′E  /  49.98°S 345.5°E  / -49.98; 345.5  277.0 
Classical name for Fortore River  in Italy 
  
Granicus Valles 29°43′N  131°00′E  /  29.72°N 131.0°E  / 29.72; 131.0  750.0 
Ancient name for the Biga Çayı , a river in Turkey 
  
Grjotá Valles 15°26′N  165°24′E  /  15.43°N 165.4°E  / 15.43; 165.4  370.0 
River in Iceland 
  
Harmakhis Vallis 40°29′S  90°24′E  /  40.48°S 90.4°E  / -40.48; 90.4  475.0 
Word for "Mars" in Ancient Egyptian  
  
Havel Vallis 0°48′N  302°30′E  /  0.8°N 302.5°E  / 0.8; 302.5  240.2 
Havel River 
  
Hebrus Valles 19°59′N  126°36′E  /  19.99°N 126.6°E  / 19.99; 126.6  317.0 
Ancient name for the Maritsa , a river in Greece 
  
Her Desher Vallis 25°09′S  312°00′E  /  25.15°S 312.0°E  / -25.15; 312.0  107.0 
Word for "Mars" in Egyptian Arabic 
  
Hermus Vallis 5°20′S  212°00′E  /  5.34°S 212.0°E  / -5.34; 212.0  46.0 
Classical name for Gediz River  in Turkey 
  
Himera Valles 21°23′S  337°12′E  /  21.38°S 337.2°E  / -21.38; 337.2  160.0 
Classical name for Grande River  in Italy 
  
Hrad Vallis 38°23′N  135°18′E  /  38.38°N 135.3°E  / 38.38; 135.3  825.0 
Word for "Mars" in Armenian  
  
Huallaga Vallis 26°42′S  79°06′E  /  26.7°S 79.1°E  / -26.7; 79.1  92.5 
Huallaga River 
  
Huo Hsing Vallis 30°13′N  66°36′E  /  30.22°N 66.6°E  / 30.22; 66.6  318.0 
Word for "Mars" in Chinese :火星 /huǒxīng  
  
Hypanis Valles 9°29′N  313°18′E  /  9.49°N 313.3°E  / 9.49; 313.3  231.0 
Classical name for Kuban River  in Russia 
  
Hypsas Vallis 33°42′N  57°54′E  /  33.7°N 57.9°E  / 33.7; 57.9  32.8 
Classical name for river  in Sicily 
  
Iberus Vallis 21°17′N  152°00′E  /  21.28°N 152.0°E  / 21.28; 152.0  80.2 
Classical name for Ebro River  in Spain 
  
Indus Vallis 19°06′N  38°42′E  /  19.1°N 38.7°E  / 19.1; 38.7  307.0 
Indus River 
  
Isara Valles 5°20′S  213°24′E  /  5.34°S 213.4°E  / -5.34; 213.4  8.0 
Classical name for Oise River  in France 
  
Ituxi Vallis 25°09′N  153°00′E  /  25.15°N 153.0°E  / 25.15; 153.0  62.0 
Ituxi River  in Brazil
  
Kārūn Valles 35°54′S  174°06′E  /  35.9°S 174.1°E  / -35.9; 174.1  64.0 
Karun River 
  
Kasei Valles 24°22′N  295°00′E  /  24.36°N 295.0°E  / 24.36; 295.0  1780.0 
Word for "Mars" in Japanese : かせい 
  
Labou Vallis 8°36′S  205°30′E  /  8.6°S 205.5°E  / -8.6; 205.5  222.0 
Word for "Mars" in French  
  
Ladon Valles 22°22′S  331°18′E  /  22.37°S 331.3°E  / -22.37; 331.3  278.0 
Ladon River  in Greece
  
Lethe Vallis 3°58′N  153°30′E  /  3.96°N 153.5°E  / 3.96; 153.5  225.0 
River Lethe  in Alaska
  
Licus Vallis 2°52′S  126°06′E  /  2.87°S 126.1°E  / -2.87; 126.1  219.1 
Ancient name for Lech River  in Germany and Austria 
  
Liris Valles 10°35′S  57°54′E  /  10.58°S 57.9°E  / -10.58; 57.9  613.0 
Ancient name for Liri River  in Italy 
  
Lobo Vallis 26°56′N  298°48′E  /  26.94°N 298.8°E  / 26.94; 298.8  102.0 
River in Ivory Coast 
  
Locras Valles 8°36′N  47°42′E  /  8.6°N 47.7°E  / 8.6; 47.7  314.0 
Ancient name for river in Corsica mentioned by Ptolemy 
  
Loire Valles 18°07′S  343°18′E  /  18.11°S 343.3°E  / -18.11; 343.3  720.0 
Loire River 
  
Louros Valles 8°25′S  278°00′E  /  8.41°S 278.0°E  / -8.41; 278.0  517.0 
Louros River 
  
Ma'adim Vallis 21°35′S  177°18′E  /  21.58°S 177.3°E  / -21.58; 177.3  825.0 
Word for "Mars" in Hebrew : מַאַדִים  
  
Mad Vallis 56°12′S  76°06′E  /  56.2°S 76.1°E  / -56.2; 76.1  524.0 
Mad River 
  
Maja Valles 12°28′N  301°42′E  /  12.46°N 301.7°E  / 12.46; 301.7  1516.0 
Word for "Mars" in Nepali  
  
Mamers Valles 39°59′N  17°48′E  /  39.98°N 17.8°E  / 39.98; 17.8  1020.0 
Word for "Mars" in Oscan  
  
Mangala Valles 11°28′S  209°00′E  /  11.47°S 209.0°E  / -11.47; 209.0  828.0 
Word for "Mars" in Sanskrit  
  
Marikh Vallis 19°15′S  3°54′E  /  19.25°S 3.9°E  / -19.25; 3.9  1280.0 
Word for "Mars" in Malaysian  
  
Valles Marineris 13°45′S  300°48′E  /  13.75°S 300.8°E  / -13.75; 300.8  3769.0 
Mariner 9  Space programLargest known crevice in the Solar System 
  
Marte Vallis 14°50′N  183°30′E  /  14.84°N 183.5°E  / 14.84; 183.5  1185.0 
Word for "Mars" in Spanish: marte  
  
Matrona Vallis 7°37′S  176°06′E  /  7.61°S 176.1°E  / -7.61; 176.1  51.0 
Classical name for Marne River  in France 
  
Maumee Valles 19°29′N  306°48′E  /  19.49°N 306.8°E  / 19.49; 306.8  350.0 
Maumee River 
  
Mawrth Vallis 22°22′N  343°30′E  /  22.37°N 343.5°E  / 22.37; 343.5  636.0 
Word for "Mars" in Welsh : Mawrth  
  
Minio Vallis 4°15′S  208°12′E  /  4.25°S 208.2°E  / -4.25; 208.2  88.0 
Classical name for river in Italy 
  
Moa Valles 35°36′N  305°18′E  /  35.6°N 305.3°E  / 35.6; 305.3  265.0 
Moa River 
  
Morava Valles 13°17′S  335°33′E  /  13.29°S 335.55°E  / -13.29; 335.55  325.0 
Morava River 
  
Mosa Vallis 14°44′S  22°12′E  /  14.74°S 22.2°E  / -14.74; 22.2  171.0 
Meuse River 
  
Munda Vallis 5°26′S  213°42′E  /  5.44°S 213.7°E  / -5.44; 213.7  10.0 
Classical name for Mondego River  in Portugal 
  
Naktong Vallis 5°14′N  32°54′E  /  5.24°N 32.9°E  / 5.24; 32.9  494.0 
Nakdong River 
  
Nanedi Valles 4°51′N  311°00′E  /  4.85°N 311.0°E  / 4.85; 311.0  508.0 
Word for "planet" in Sesotho  
  
Napo Vallis 26°00′S  78°00′E  /  26.0°S 78.0°E  / -26.0; 78.0  87.5 
Napo River 
  
Neretva Vallis 18°33′S  77°12′E  /  18.55°S 77.2°E  / -18.55; 77.2  17 
Named after the Neretva River  in Bosnia and Herzegovina [ 1] [ 2]  
  
Nestus Valles 7°07′S  201°24′E  /  7.12°S 201.4°E  / -7.12; 201.4  33.0 
Classical name for Nestos River  in Macedonia (Greece) 
  
Nia Vallis 53°47′S  325°18′E  /  53.79°S 325.3°E  / -53.79; 325.3  133.0 
Classical river name 
Named used by Lowell for canal
  
Nicer Vallis 7°13′S  201°48′E  /  7.22°S 201.8°E  / -7.22; 201.8  54.0 
Classical name for Neckar River  in Germany 
  
Niger Vallis 35°05′S  92°12′E  /  35.09°S 92.2°E  / -35.09; 92.2  333.0 
Niger River 
  
Nirgal Vallis 28°08′S  318°00′E  /  28.13°S 318.0°E  / -28.13; 318.0  496.0 
Word for "Mars" in Babylonian  
  
Ochus Valles 7°07′N  314°54′E  /  7.12°N 314.9°E  / 7.12; 314.9  104.0 
Classical name for Hari River  in Turkmenistan 
  
Okavango Valles 38°06′N  9°00′E  /  38.1°N 9.0°E  / 38.1; 9.0  285.1 
Okavango River 
  
Oltis Valles 23°40′S  338°18′E  /  23.66°S 338.3°E  / -23.66; 338.3  173.0 
Ancient name for Lot River  in France 
  
Osuga Valles 15°08′S  321°24′E  /  15.14°S 321.4°E  / -15.14; 321.4  185.0 
Osuga River 
  
Padus Vallis 4°33′S  209°54′E  /  4.55°S 209.9°E  / -4.55; 209.9  46.0 
Classical name for Po River  in Italy 
  
Pallacopas Vallis 55°00′S  339°00′E  /  55.0°S 339.0°E  / -55.0; 339.0  660.0 
Classical canal in Babylonia  
Name used by Lowell for a canal
  
Paraná Valles 22°52′S  349°48′E  /  22.87°S 349.8°E  / -22.87; 349.8  350.0 
Paraná River 
  
Patapsco Vallis 23°46′N  152°30′E  /  23.76°N 152.5°E  / 23.76; 152.5  153.0 
Patapsco River 
  
Peace Vallis 4°13′S  137°14′E  /  4.21°S 137.23°E  / -4.21; 137.23  35.24 
"River in British Columbia and Alberta, Canada"[ 3]  
  
Pliva Vallis
 
18°40′S  78°21′E  /  18.67°S 78.35°E  / -18.67; 78.35  30
 
Named after the Pliva River  in Bosnia and Herzegovina [ 1] [ 2]  
  
Protva Valles 28°55′S  299°24′E  /  28.92°S 299.4°E  / -28.92; 299.4  260.0 
Protva River 
  
Rahway Valles 9°18′N  173°48′E  /  9.3°N 173.8°E  / 9.3; 173.8  500.0 
Rahway River 
  
Ravi Vallis 0°12′S  319°18′E  /  0.2°S 319.3°E  / -0.2; 319.3  205.5 
Ravi River 
  
Ravius Valles 46°11′N  248°42′E  /  46.18°N 248.7°E  / 46.18; 248.7  233.0 
Classical name for river in Ireland 
  
Reull Vallis 42°17′S  104°06′E  /  42.28°S 104.1°E  / -42.28; 104.1  945.0 
Word for "planet" in Gaelic  
  
Rhabon Valles 21°11′N  268°30′E  /  21.18°N 268.5°E  / 21.18; 268.5  247.0 
Classical name for Jiu River  in Romania 
  
Rubicon Valles 44°41′N  243°00′E  /  44.68°N 243.0°E  / 44.68; 243.0  240.0 
Ancient name for Rubicon River  in Italy 
  
Runa Vallis 28°26′S  323°12′E  /  28.43°S 323.2°E  / -28.43; 323.2  39.2 
Name proposed by Soviets 
  
Sabis Vallis 5°14′S  207°30′E  /  5.24°S 207.5°E  / -5.24; 207.5  206.0 
Classical name for Sambre River  in France and Belgium 
  
Sabrina Vallis 11°05′N  311°00′E  /  11.08°N 311.0°E  / 11.08; 311.0  237.0 
Classical name for River Severn  in Wales and England 
  
Sakarya Vallis 5°06′S  137°18′E  /  5.10°S 137.3°E  / -5.10; 137.3  26.0 
Classical name for Sakarya River  in Turkey  
  
Samara Valles 24°51′S  340°54′E  /  24.85°S 340.9°E  / -24.85; 340.9  615.0 
Ancient name for Somme River  in France 
  
Scamander Vallis 15°50′N  28°30′E  /  15.83°N 28.5°E  / 15.83; 28.5  204.0 
Ancient name for Karamenderes River  in Turkey 
  
Senus Vallis 5°14′S  213°00′E  /  5.24°S 213.0°E  / -5.24; 213.0  20.0 
Classical name for river in Ireland 
  
Sepik Vallis 0°53′S  294°12′E  /  0.89°S 294.2°E  / -0.89; 294.2  56.0 
Sepik River 
  
Shalbatana Vallis 7°43′N  317°54′E  /  7.71°N 317.9°E  / 7.71; 317.9  963.0 
Word for "Mars" in Akkadian  
  
Silinka Vallis 8°54′N  331°48′E  /  8.9°N 331.8°E  / 8.9; 331.8  140.0 
River in Russia 
  
Simud Valles 19°35′N  322°12′E  /  19.59°N 322.2°E  / 19.59; 322.2  945.0 
Word for "Mars" in Sumerian  
  
Stura Vallis 22°40′N  142°24′E  /  22.67°N 142.4°E  / 22.67; 142.4  75.0 
Classical name for Stura di Demonte  river in Italy 
  
Subur Vallis 11°40′N  306°48′E  /  11.67°N 306.8°E  / 11.67; 306.8  26.0 
Classical name for river in Mauritania 
  
Sungari Vallis 40°02′S  88°50′E  /  40.03°S 88.84°E  / -40.03; 88.84  430.0 
Songhua River 
  
Surinda Valles 28°55′S  324°54′E  /  28.92°S 324.9°E  / -28.92; 324.9  95.0 
Name proposed by Soviets; found on Mars 5  map 
  
Surius Vallis 61°32′S  311°36′E  /  61.53°S 311.6°E  / -61.53; 311.6  570.0 
From a river of Colchis  
Name used by Lowell for canal
  
Tader Valles 48°47′S  207°30′E  /  48.78°S 207.5°E  / -48.78; 207.5  200.0 
Ancient name for Segura River  in Spain 
  
Tagus Valles 6°43′S  114°24′E  /  6.72°S 114.4°E  / -6.72; 114.4  155.4 
Tagus River 
  
Tana Vallis 4°48′S  332°06′E  /  4.8°S 332.1°E  / -4.8; 332.1  56.5 
Tana River 
  
Taus Vallis 4°51′S  211°30′E  /  4.85°S 211.5°E  / -4.85; 211.5  12.6 
Classical name for river in Scotland 
  
Termes Vallis 11°05′S  202°54′E  /  11.08°S 202.9°E  / -11.08; 202.9  48.0 
Classical name for Tormes River  in Spain 
  
Teviot Vallis 43°23′S  102°06′E  /  43.38°S 102.1°E  / -43.38; 102.1  140.0 
River Teviot 
  
Tigre Valles 11°53′S  322°53′E  /  11.88°S 322.88°E  / -11.88; 322.88  118 
Tigre River 
  
Tinia Valles 4°39′S  211°00′E  /  4.65°S 211.0°E  / -4.65; 211.0  18.7 
Classical name for river in Italy 
  
Tinjar Valles 37°41′N  124°12′E  /  37.69°N 124.2°E  / 37.69; 124.2  425.0 
Tinjar River  in Malaysia
  
Tinto Vallis 3°58′S  111°24′E  /  3.96°S 111.4°E  / -3.96; 111.4  146.5 
Rio Tinto 
  
Tisia Valles 11°46′S  45°42′E  /  11.77°S 45.7°E  / -11.77; 45.7  399.0 
Ancient name for Tisza River  in Hungary  
  
Tiu Valles 15°44′N  324°18′E  /  15.73°N 324.3°E  / 15.73; 324.3  1720.0 
Word for "Mars" in Old English : Tiu  
  
Trebia Valles 32°07′N  150°00′E  /  32.11°N 150.0°E  / 32.11; 150.0  183.0 
Classical name for Trebbia River  in Italy 
  
Tyras Vallis 8°19′N  309°48′E  /  8.31°N 309.8°E  / 8.31; 309.8  68.0 
Classical name for Dniester River  in Ukraine 
  
Una Vallis
 
18°17′S  77°04′E  /  18.29°S 77.07°E  / -18.29; 77.07  5
 
Named after the Una River  in Bosnia and Herzegovina [ 1] [ 2]  
  
Uzboi Vallis 29°31′S  322°54′E  /  29.52°S 322.9°E  / -29.52; 322.9  366.0 
Dry riverbed of the Uzboy River  in Turkmenistan 
  
Varus Valles 8°36′S  203°48′E  /  8.6°S 203.8°E  / -8.6; 203.8  92.0 
Classical name for Var River  in France 
  
Vedra Valles 19°12′N  304°24′E  /  19.2°N 304.4°E  / 19.2; 304.4  115.0 
Ancient name for river in Great Britain 
  
Verde Vallis 0°29′S  29°48′E  /  0.49°S 29.8°E  / -0.49; 29.8  95.0 
Verde River 
  
Vichada Valles 19°24′S  88°06′E  /  19.4°S 88.1°E  / -19.4; 88.1  430.0 
Vichada River 
  
Vistula Valles 13°33′N  308°06′E  /  13.55°N 308.1°E  / 13.55; 308.1  190.0 
Vistula River  in Poland
  
Waikato Vallis 33°12′S  113°49′E  /  33.2°S 113.81°E  / -33.2; 113.81  230.0 
Waikato River 
 
Walla Walla Vallis 9°47′S  305°30′E  /  9.79°S 305.5°E  / -9.79; 305.5  24.0 
Walla Walla River 
  
Warrego Valles 41°53′S  267°00′E  /  41.88°S 267.0°E  / -41.88; 267.0  188.0 
Warrego River 
  
Zarqa Valles 0°10′N  80°49′E  /  0.16°N 80.82°E  / 0.16; 80.82  490 
Zarqa River