Overview Buffalo Campground is located 26 miles south of West Yellowstone, Montana and 25 miles north of Ashton, Idaho in beautiful Island Park, Idaho. Buffalo is a large campground just off U.S. Highway 20 on the banks of the Buffalo River at an elevation of 6,200 feet. Visitors love Island Park for its world-class fishing and outstanding scenery and wildlife viewing opportunities. Recreation The Island Park area is renowned for its fishing; the Henry's Fork is known as one of the nation's best fly-fishing streams. Anglers cast for rainbow, cutthroat and brook trout and Kokanee salmon. Island Park Reservoir and Henry's Lake are nearby, both offering boating, water skiing and excellent fishing opportunities. Hiking, biking, horseback riding and ATVing are popular activities. Many miles of trails are in the area, including the Continental Divide National Scenic Trail and the Nez Perce Trail. The Big Springs National Recreation Water Trail offers an approximately three-hour float or canoe trip through beautiful scenery. Wildlife, including moose, bald eagles and Sandhill cranes, are often seen along the trail.
Source: rec_gov · last verified 2026-05-14