Acidalia Colles is a group of hills in the Mare Acidalium quadrangle of Mars, located at 50.9° north latitude and 23.1° west longitude. It is about 360 km long and was named after a classical albedo feature name. The term "Colles" is used for small hills or knobs. Gullies have been observed on Acidalia Colles.
Acidalia Colles gullies and related features. Scale bar is 1,000 m (0.62 mi).
^"Acidalia Colles". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.
^"Descriptor Terms (Feature Types)". Gazetteer of Planetary Nomenclature. International Astronomical Union (IAU) Working Group for Planetary System Nomenclature (WGPSN). Archived from the original on 2012-05-25.
