The Geology of Mountaineering

Physical Geology 2005

Geologic Processes Related to Mountaineering

This page is designed to provide a brief overview to the geological formations that mountaineering is practiced on, the ways in which technology has adapted to geological formations over time and the ways in which mountaineering effects the environment.

The convergence of the Nazca and South American Plates. Image courtesy of the USGS.

Panorama Peak ICE, South Face. Image reproduced with permission of Cullan Lester.

Difficulty Ratings for Mountaineering in the United States

Alpine Climbing

Grade I: Requires several hours of any technical difficulty

Grade II: Requires half a day of varied technical difficulty

Grade III: Requires one day to do the technical section of any technical difficulty

Grade IV: A day and a half with a pitch of 5.8 or harder

Grade V: A multi day trip with difficult free and/or aid climbing

Free Climbing

Class 1: Hiking

Class 2: Scrambling with occasional use of hands

Class 3: Scrambling that may require a rope

Class 4:Simple climbing with exposure. Rope us usually used fatal falls are possible.

Class 5: Climbing that involves ropes, belaying, and protection for the leader.

Class 5 Breakdown (Yosemite Decimal System)

5.0-5.15 (open ended)

5.0-5.7: Beginner climbing

5.7-5.9: The level most weekend climbers achieve with some advanced techniques

5.10 - Dedication from weekend climbing usually required

5.11-5.14: expert realm that requires much training and physical ability.

Related Links

Recommended Reading:

Author: Andrew Walters
Creation/revision date: April 14, 2005

Link to other Student Webpages for 2005 Earlham Physical Geology

This website was prepared as an assignment for Geosciences 211 (Physical Geology) taught in the spring of 2005 at Earlham College, Richmond, Indiana.

Earlham College· Geosciences Department · Earlham Geosciences 211: Physical Geology