Buttermilk Campground is located on the shore of beautiful Island Park Reservoir in Island Park, Idaho at an elevation of 6,200 feet. A mixed growth lodgepole pine forest provides partial shade and summer wildflowers are abundant. Island Park Reservoir offers boating, waterskiing, fishing, kayaking, and canoeing, as well as boat ramps and fish cleaning stations. There are 47 single sites, 6 double sites and 1 group site. There is a boat ramp.
At a Glance
Open the Middle of May to the End of September.
A Campground Host resides in the campground.
A Group Site is available for reservations.
Some of these canpsites can be reserved by calling Toll Free 1-877-444-6777 (International 518-885-3639 or TDD 877-833-6777) or on the web www.recreation.gov
Accessible,Boat ramp,Tent camping,Camping trailer,Fee charged for some activities,Picnic tables,Toilets,Drinking water,Parking
Single Family Campsite - $13.00/day use or overnight
Double Family Campsite - $26.00/day use or overnight
Second Vehicle Charge – 6.00/car
IA Senior Pass – Single Site - $6.50/day use or overnight
Buttermilk Group Site : Fri-Sun & Holidays – $120.00/day use oro overnight
Buttermilk Group Site : Mon-Thurs - $60.00/day use or overnight
MIddle of May
No All Terrain Vehicles or Off-Road Vehicles allowed in the park.
From West Yellowstone, Montana travel south on Hwy. 20 for approximately 25 miles or 79 miles north of Idaho Falls, ID. Turn right on to the Yale - Kilgore Road (across from the Elk Creek Gas Station). You can either go ~1/2 mile and turn left or go 2 miles and turn left onto the Buttermilk Loop Road. Buttermilk Campground is at the bottom of the Loop.
The Campground offers five boat docks with a concrete loading ramp. Diving and waterskiing from the docks is prohibited. A large parking area near the boat ramp provides parking for boat trailers and fisherman.
Lake and Pond Fishing
Island Park Reservoir
The Island Park Reservoir was created by an earthfilled dam, that was built in 1938. the dam is 91 feet high and 1250 feet long. Various species of fish abound in the Reservoir, including kokanee salmon, rainbow and cutthroat trout. The Reservoir provides boating, fishing and water skiing opportunities.