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).
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^"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 2014-06-23.