Simois Colles is a region of colles (hills) in the northwest of Phaethontis quadrangle of Mars. It is located around 37.72° south latitude, and 176.59° west longitude. The region is 86.94 kilometers (54.02 mi) across, and was named after an albedo feature.
Map of Eridania Lake, including the area of Simois Colles
References
^"Simois Colles". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.
Media related to Simois Colles at Wikimedia Commons
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