Castle Peak is the ninth highest summit of the Rocky Mountains of North America and the U.S. state of Colorado. The prominent 14,279-foot (4,352 m) fourteener is the highest summit of the Elk Mountains and the Maroon Bells-Snowmass Wilderness. The peak is located 11.6 miles (18.7 km) northeast by north (bearing 32°) of the Town of Crested Butte, Colorado, United States, on the drainage divide separating Gunnison National Forest and Gunnison County from White River National Forest and Pitkin County.