Tenoumer is considered to be an impact crater in Mauritania.

[1] The crater is located in the western Sahara Desert.

It is 1.9 km (1.2 mi) in diameter and its age was estimated to be 21,400 ± 9,700 years old but as of 2016, is thought to be ~1.57 Ma.

[3] Tenoumer crater has formed in gneiss and granite of Precambrian peneplain with a thin layer of Pliocene sediments (no older).

This article about an impact crater on Earth is a stub.