Anseris Mons (Mars)

From albedo feature Anseris Fons.

The mountain is 58 km above the surrounding plains. Anseris Mons is named from Anseris Fons, a telescopic albedo feature mapped by Greek astronomer E. M. Antoniadi in 1930. Anseris Mons is not a volcano. (wikipedia entry)

A mons is a mountain. On Mars they are named after the nearest named albedo feature on the Schiaparelli or Antoniadi maps.