Yosemite Decimal System
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The Yosemite Decimal System is a five-part grading system used for rating the difficulty of rock climbing routes in the United States and Canada. It was first devised by members of the Sierra Club in
The Knife Edge on Capitol Peak in Colorado is an example of a Class 4 climb
Emily Harrington on El Capitan in Yosemite, free climbing a 5.13a route
Exposure (heights)
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Exposure is a climbing and hiking term. Sections of a hiking path or climbing route are described as "exposed" if there is a high risk of injury in the event of a fall because of the steepness of the
Yosemite Decimal System
…scrambling, with the possibility of occasional use of the hands. Class 3 Scrambling. A rope could be carried. Class 4 Simple climbing, possibly with exposure. A rope is often used. Falls could be fatal. Natural protection can easily be found. Class 5 It is considered technical roped free climbing; belaying…
Climber on Ancient Art in Fisher Towers, Moab, Utah, USA. Famous high-exposure route.
A technically simple, but exposed arete on the Höfats in Bavaria, Germany