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Crack

Definition of a Climbing Word

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Crack

A climber jams a crack at Turkey Rocks in central Colorado.

Photograph © Stewart M. Green

Crack

A crevice or fissure that splits a rock wall. It is ascended by a climber using jamming techniques where parts of his body, including fingers, hands, arms, and legs, are wedged into the crack to make upward progress.

Glossary of Mountain and Rock Features

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