Ariadnes Colles is a region of colles (hills) in the northeast of Eridania quadrangle of Mars.
It is located around 34.5 ° south latitude, and 172.78° east longitude.
It covers 180 by 160 kilometers (112 by 99 mi).
[1] The feature was named after a classic albedo feature by the IAU in 1982.
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