Bighorn Canyon National Recreation Area is a huge 120,000 acre national park. The canyon is perfect for boating and kayaking. You can enter the canyon from either the south, near Lovell, Wyoming or from the north at Fort Smith, Montana.
The entire body of water is 71 mjiles long. Fifty-five miles of that are in a canyon with 1,000 foot wall. There are several miles of hiking trails also in the area. You can even boat to Black Canyon Campground which has 17 tent sites. You can dock your boats at the campground which is only accessible by boat!