Ariadnes Colles
| The west of Ariadnes Colles, as seen by HRSC camera of the Mars Express. North is on the right | |
| Location | Phaethontis quadrangle | 
|---|---|
| Coordinates | 34°30′S 172°47′E / 34.5°S 172.78°E | 
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). The feature was named after a classic albedo feature by the IAU in 1982.