El Capitan is a mountain summit in the Bitterroot Range of Montana. The peak is located in the Selway-Bitterroot Wilderness on land managed by the Bitterroot National Forest. The summit lies 12 miles west of the town of Darby, Montana, and three miles east of the Idaho–Montana border. The highest point of the Central Bitterroot Range is line parent Trapper Peak, 9.3 miles south-southeast.
Based on the Köppen climate classification, the peak is located in a subarctic climate zone characterized by long, usually very cold winters, and mild summers.[3] Winter temperatures can drop below −10 °F with wind chill factors below −30 °F.
To find the table data on the PRISM website, start by clicking Coordinates (under Location); copy Latitude and Longitude figures from top of table; click Zoom to location; click Precipitation, Minimum temp, Mean temp, Maximum temp; click 30-year normals, 1991-2020; click 800m; click Retrieve Time Series button.