Cornice (climbing)

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This article is about the snow formation. For the architectural use, see cornice.
The summit of San Jacinto Peak covered by a cornice formed by wind-blown snow.
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The summit of San Jacinto Peak covered by a cornice formed by wind-blown snow.

In climbing, a cornice is an overhanging edge of snow on a ridge or the crest of a mountain which are built up by drifting snow. Cornices are extremely dangerous and should never be walked on or under without adequate protection, or if other options are either not available or are more hazardous.

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