Astapus Colles Mounds and Knobs, as seen by HiRISE. Scale bar is 500 meters long.
Astapus Colles is a group of hills in the Casius quadrangle of Mars, located at 35.5 North and 272.3 West. It is 580 km across and was named after an albedo feature at 35N, 269W. The term "Colles" is used for small hills or knobs.
Original source: https://en.wikipedia.org/wiki/ Astapus Colles. Read more