The pyramidal peak of El Capitan rises to 9846 feet or 3001 elevation in Sawtooth Wilderness, Blaine County, Idaho, USA. The Sawtooth Range (part of the Rocky Mountains) are made of pink granite of the 50 million year old Sawtooth batholith. Sawtooth Wilderness, managed by the US Forest Service within Sawtooth National Recreation Area, has some of the best air quality in the lower 48 states (says the US EPA).