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 program
Largest 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 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