Mars Feature List: Vallis, valles
Number returned: 133
| Feature Name | Center Lat, Long | Diameter | Origin |
| Abus Vallis | -5.60, -147.30 | 58.00 km | Classical name for Humber River in England. |
| Al-Qahira Vallis | -18.40, 162.5 | 555.00 km | Word for 'Mars' in Arabic, Indonesian, Malay. |
| Allegheny Vallis | -9.20, -54.00 | 200.00 km | River in Pennsylvania, USA. |
| Anio Valles | 38.10, 55.9 | 36.50 km | Classical river in Italy; modern Aniene and Teverone rivers. |
| Apsus Vallis | 35.10, 135 | 120.00 km | Classical river in ancient Macedonia, present-day Greece. |
| Arda Valles | -20.80, -32.30 | 186.00 km | Ancient European river (Bulgaria). |
| Ares Vallis | 10.40, -25.80 | 1700.00 km | Word for 'Mars' in Greek. |
| Arnus Vallis | 14.10, 70.5 | 280.00 km | Classical and present day Arno River in Tuscany, Italy (previously named Arena Rupes). |
| Asopus Vallis | -4.40, -149.70 | 33.00 km | Classical name for modern Hagios River, Greece. |
| Athabasca Valles | 8.60, 155 | 285.00 km | River in Canada. (Changed from Athabasca Vallis.) |
| Auqakuh Vallis | 30.40, 60.1 | 312.00 km | Word for 'Mars' in Quechua (Inca). |
| Axius Valles | -56.00, 70.1 | 349.00 km | Ancient European River (Vardar River of Greece). |
| Bahram Vallis | 20.70, -57.50 | 302.00 km | Word for 'Mars' in Persian. |
| Brazos Valles | -6.30, 18.9 | 458.00 km | River in Texas, USA. |
| Buvinda Vallis | 33.40, 151.9 | 119.60 km | Classical river in Hibernia; present Boyne River, Ireland. |
| Chico Valles | -67.00, -153.50 | 450.00 km | River in Argentina. |
| Clanis Valles | 33.50, 58.4 | 58.00 km | Classical river in Etruria; present Chiana River, Italy. |
| Clasia Vallis | 34.10, 56.9 | 125.00 km | Classical river in Umbria, Italy. |
| Clota Vallis | -25.80, -20.60 | 112.00 km | Ancient name for present River Clyde, Scotland. |
| Columbia Valles | -9.50, -42.90 | 94.00 km | River in Washington, USA. |
| Coogoon Valles | 17.30, -21.90 | 300.00 km | River in Australia. |
| Cusus Valles | 14.50, 50.5 | 249.00 km | Classical name for modern Hron River in Czechoslavakia. |
| Daga Vallis | -12.10, -42.40 | 70.00 km | River in Burma. |
| Dao Vallis | -38.70, 87.9 | 816.00 km | Word for |
| Deva Vallis | -7.70, -157.00 | 48.00 km | Classical name for Dee River in Scotland; new position and coordinates. |
| Dittaino Valles | -1.50, -67.00 | 138.00 km | Modern river in Italy. |
| Doanus Vallis | -63.30, -25.60 | 131.00 km | Classical river shown in Ptolemy's map; may be modern Mekong River of Burma. |
| Drava Valles | -49.00, 166.3 | 150.00 km | Modern river in Yugoslavia. |
| Drilon Vallis | 7.30, -52.40 | 94.00 km | Classical name for present Drin River, Albania. |
| Dubis Vallis | -5.30, -148.20 | 37.00 km | Classical name for modern Doubs River, France. |
| Durius Valles | -17.60, 172.1 | 223.00 km | Classical name for modern Douro River, Portugal. |
| Dzigai Vallis | -58.80, -36.60 | 326.00 km | Word for |
| Elaver Vallis | -9.50, -49.50 | 160.00 km | Classical name for modern Allier River, France. |
| Enipeus Vallis | 37.00, -93.10 | 357.00 km | Classical river. |
| Evros Vallis | -12.70, 13.9 | 335.00 km | River in Greece. |
| Frento Vallis | -50.30, -14.50 | 277.00 km | Classical name for river in Italy. |
| Granicus Valles | 30.00, 131 | 750.00 km | Ancient name for river in Turkey. |
| Grjotá Valles | 15.60, 165.4 | 370.00 km | River in Iceland. |
| Harmakhis Vallis | -40.80, 90.4 | 475.00 km | Ancient Egyptian word for |
| Hebrus Valles | 20.20, 126.6 | 317.00 km | Ancient river in Greece. |
| Her Desher Vallis | -25.40, -48.00 | 107.00 km | Egyptian name for Mars. |
| Hermus Vallis | -5.40, -148.00 | 46.00 km | Classical name for river in ancient Lydia (modern Turkey). |
| Himera Valles | -21.60, -22.80 | 160.00 km | Ancient name for Italian river. |
| Hrad Vallis | 38.70, 135.3 | 825.00 km | Word for |
| Huo Hsing Vallis | 30.50, 66.6 | 318.00 km | Word for |
| Hypanis Valles | 9.60, -46.70 | 231.00 km | Classical name for river in Scythia; present Kuban River in Russia. |
| Hypsas Vallis | 34.00, 57.9 | 32.80 km | Classical name for river in Sicily. |
| Iberus Vallis | 21.50, 152 | 80.20 km | Classical name for river present Ebro River in NE Spain. |
| Indus Vallis | 19.30, 38.7 | 307.00 km | Ancient and modern name for river in Pakistan. |
| Isara Valles | -5.40, -146.60 | 8.00 km | Classical name for modern Oise River in France. |
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