Couloir

The Steinerne Rinne couloir from the north with the peaks of Predigtstuhl (l) and Fleischbank (r) in the Austrian Kaiser Mountains

A couloir (French: [ku.lwaʁ], "passage" or "corridor") is a narrow gully with a steep gradient in a mountainous terrain.[1]

  1. ^ Whittow, John (1984). Dictionary of Physical Geography. London: Penguin, p. 121. ISBN 0-14-051094-X.