Glissade (climbing) - Wikipedia

Skywalker Couloir's steepest section at approx 62° at 13,000 feet / 3962 meters. Colorado, USA : r/Mountaineering

Glossary of climbing terms - Wikipedia

Ypsilon Mountain Trip Report 07/13/2015

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Glossary of climbing terms - Wikipedia

Glossary of climbing terms - Wikipedia

American Alpine Institute - Climbing Blog: June 2017

Mount Adams Summit 07-04-2021 - Hiking with Hadland

The Underhill Sawtooth Story by Ray Brooks - IDAHO: A Climbing Guide

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Mount Everest: Why don't mountain climbers use controlled sled decent to exit the death zone faster? - Quora

Glossary of climbing terms - Wikipedia

Glossary of climbing terms - Wikipedia

Know the Ropes — News — The American Alpine Club

Glossary of climbing terms - Wikipedia