<div>Renewal of the natural=couloir tag : <a rel="nofollow" title="https://wiki.openstreetmap.org/wiki/Proposed_features/couloir_2" target="_blank" href="https://wiki.openstreetmap.org/wiki/Proposed_features/couloir_2">Proposed_features/couloir_2</a><br></div><div class="protonmail_signature_block protonmail_signature_block-empty"><div class="protonmail_signature_block-user protonmail_signature_block-empty"><br></div><div class="protonmail_signature_block-proton protonmail_signature_block-empty"><br></div></div><div><br></div><div>Definition : A narrow gully with a steep gradient in a mountainous terrain<br></div>