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The site details and map below come from the public Recreation.gov record and are accurate. For current dates and to book, go to Recreation.gov.
54 openings were recorded here in the last 90 days, but none in the last 30 — the pattern below would describe the past, not this season, so we do not chart it. A free Campsite Sniper alert watches around the clock instead, and pings you the moment one opens.
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.
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.
The campground has six loops of single and double family sites and one loop for group camping, for a total of 127 sites, many of which are reservable. The large group site can accommodate 150 people. One loop has electric hook-ups and all loops are paved.
Accessible vault toilets are provided, as is drinking water and trash collection. A separate parking area is located at the accessible fishing dock and viewing platforms on the east end of the campground.
Ponds Lodge is just across the highway and has fuel, groceries and other amenities.
Island Park is composed of two areas of extinct volcanic activity. The Henry's Fork Caldera sits inside the larger Island Park Caldera. The area is known for its dense forests of lodgepole pine, broad grassy meadows bursting with summer wildflowers and a wide variety of wildlife, including black and grizzly bears, moose, elk, deer, bald eagles, Sandhill cranes and much, much more.
The campground lies alongside the Buffalo River, created by a large spring just 4.5 miles away. The Buffalo is a tributary of the Henry's Fork, and flows into it just 2 miles east of the campground. Brook and rainbow trout are plentiful in the Buffalo and a variety of waterfowl and wildlife frequents the river corridor.
Mesa Falls Scenic Byway is 7 miles south of the campground. This 28-mile road leads to scenic overlooks and trails at 110 foot Upper Mesa Falls and 85 foot Lower Mesa Falls.
Harriman State Park is 8 miles south. The Henry's Fork meanders through the Harriman, offering excellent fishing. Over 20 miles of trails are available, and wildlife is abundant in this scenic park.
Henry's Lake State Park is 11 miles north, offering fishing, a fish cleaning station and boat ramp.
Yellowstone National Park's west entrance is just 26 miles north in the town of West Yellowstone, Montana. Visitors enjoy day-tripping to the park for unparalleled wildlife viewing and the beautiful and unique scenery.
From West Yellowstone, Montana, take U.S. Highway 20 south for 26 miles. From Ashton, Idaho: Take U.S. Highway 20 north for 25 miles. The campground entrance is .25 miles north of Ponds Lodge on the east side of the highway.
View on Recreation.gov ↗ Get directions ↗







Online reservations for this facility, where offered, are made through Recreation.gov. Campsite Sniper has also detected 54 site openings here in the last 90 days, so further dates may appear. Pick a site on the map to see its calendar, or set a free Campsite Sniper alert. You complete the reservation yourself on Recreation.gov.
No. Campsite Sniper sends alerts and direct Recreation.gov links. It never books, pays for, holds, hoards, or resells reservations.
Campsite Sniper does not currently hold availability data for Buffalo (idaho), so there is nothing to date here. That is a gap in coverage — it does not mean the facility is full or closed. Check Recreation.gov for current dates.
Campsite Sniper detected 54 site-date openings here over the last 90 days, none in the last 7. A free alert watches around the clock and pings you the moment one appears.
48 of the 48 sites that support RV analysis have a recorded maximum of 35 ft or more; the longest recorded is 60 ft.
Lakefront, hookups, your RV length, weekends only - set it as picky as you want.
We run paced availability checks for Buffalo (idaho). One watch covers every matching site.
When a match opens, you get a push with a Recreation.gov link so you can review and book it yourself.