Tresidder Peak is a mountain in Yosemite National Park, California. The mountain has two summits (peaks or arêtes), about half a mile (800 meters) apart, with the southern peak being the highest. The elevation of the south peak has not been exactly determined but is given as between 10,605 feet (3,232 m) and 10,645 feet (3,245 m). The northern peak is identified on maps as Peak 10,450 and has an elevation of 10,450 feet (3,185 m). It is the line parent of Clouds Rest. It is named for Donald Tresidder, a former president of Stanford University who had a longtime association with Yosemite National Park.