Bighorn Canyon National Recreation Area Located in Fort Smith, MT, WY TRAVEL BASICS - CAMPING - LODGING ACTIVITIES - FACILITIES - FEES/PERMITS Devil's Canyon Overlook (NPS Photo) IN BRIEF Bighorn Canyon National Recreation Area was established by an act of Congress on October 15, 1966, following the construction of the Yellowtail Dam by the Bureau of Reclamation. This dam, named after the famous ...