a volcano with nearly vertical walls on the Navajo reservation in northwestern New Mexico. This climb, rated YDS III, 5.7 A2, was the first in the United States to use expansion bolts for protection.

Twelve previous attempts on Shiprock had failed, and it was known as "the last great American climbing problem". The Brower party's success was described as an "outstanding effort" by "probably the only group on the continent capable of making the climb".