| Ariadnes Colles | |
| Location: | Phaethontis quadrangle |
| Coordinates: | -34.5°N 172.78°W |
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 180kmby160kmkm (110milesby100mileskm).[1] The feature was named after a classic albedo feature by the IAU in 1982.