Bill Williams Peak, elevation 13,389 feet (4,081 m), is an mountain located in Pitkin County, Colorado, United States. The summit of the mountain is the high point of the Williams Mountains, a subrange of the Sawatch Range. The summit is located 12.2 miles (19.6 km) east of Aspen, Colorado, in the Hunter–Fryingpan Wilderness of White River National Forest. Bill Williams Peak is the 42nd highest major summit of Colorado and the 45th highest major summit of the Rocky Mountains of the United States and Canada.