El Capitan () is a mountain in the western United States, in the Sawtooth Range of central Idaho. Located in the Sawtooth Wilderness of Sawtooth National Recreation Area in Blaine County, it is south-southeast of Peak 10,052, its line parent.
El Capitan is east of Snowyside Peak and west of McDonald Peak. It rises above the eastern end of Alice Lake, with a surface elevation of above sea level, accessed by the moderate trail from Pettit Lake at .