Tags: Crater.
Lamont is a low ridge in the surface of Mare Tranquillitatis that is most likely an impact feature. It is located to the southeast of the crater Arago.Lamont has the shape of two roughly concentric but incomplete rings with an inner diameter of 60 km and an outer diameter of 120 km. (The official diameter is 75 km.) Radial ridges radiate away from the center of Lamont except in the east and west quadrants.