Enipeus Vallis

Enipeus Vallis
Enipeus Vallis, as seen in THEMIS daytime IR mosaic.
Feature typevalley network
LocationArcadia quadrangle
Coordinates36°41′N 266°54′E / 36.68°N 266.9°E / 36.68; 266.9

Enipeus Vallis is a valley in the northern hemisphere of the planet Mars. It is centered at lat. 37°N, long. 267°E in the Arcadia quadrangle (MC-3) between the large volcano Alba Mons and the Tempe Terra plateau. The valley follows a gently sinuous, north–south path for a distance of about 357 km (222 mi). It is likely an ancient watercourse that formed during the early Hesperian (or late Noachian) period, around 3.7 billion years ago.

The valley is named after a river in Thessaly, Greece. Enipeus is also the name of a river god in classical mythology. The International Astronomical Union (IAU) formally adopted the name Enipeus Vallis in 1991. Vallis is the Latin word for valley.

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