From Dillon, take I-15 South for 19 miles, turn right at Clark Canyon Reservoir (west onto Montana Highway 324). Drive 12 miles to Grant, then 7 miles west of Grant at Red Butte turn right (north) onto the Bloody Dick Road #181 (leads to Reservoir Lake). Follow the Bloody Dick Road West for approximately 6 miles to the Horse Prairie Guard Station turnoff sign. Follow the Coyote Creek road northwest for 1-3/4 miles to the Horse Prairie Cabin. Over the snow distance to the cabin will vary from 1- 6 miles.