Highest Difficulty Level for Rock Climbing

  • 8 years ago
Highest Difficulty Level for Rock Climbing. Part of the series: LS - Rock Climbing. The most commonly used method for rating the difficulty of rock climbs is called the Yosemite decimal system. Find out about the highest difficulty level for rock climbing with help from more than 20 years of experience as a professional guide in New Hampshire including ski touring, ski mountaineering, snowshoeing and more in this free video clip.