Arête

An arête is a narrow step sided rocky ridge separating two cirques.

It results from the glacial erosional process of plucking and abrasion which lead to the formation of cirques The back wall recession of two adjacent cirques leads to the formation sharp ‘knife-like ridge called an arête separating two cirques. Examples are found on the foothills of Mt Rwenzori, one radiating into Bujuku Valley.