Gendarme (mountaineering)

A gendarme is a pinnacle of rock on a mountain ridge.

They are typical of alpine areas.

Gendarmes often form on the intersection of two ridges due to the lower erosion of glaciers here.

[1] The name originates from the French Alps, where they were seen as resembling the gendarmerie police.

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Thompson's Flake on Mount Kenya (centre of image on skyline) is a gendarme.