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Buttermilk Campground

Area Status: Closed
This area is Closed

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

Current Conditions: The campground is closed for the 2018 season.
Operational Hours: A Campground Host resides in the campground. A Group Site is available for reservations.
Reservations: Some of these campsites can be reserved by calling Toll Free 1-877-444-6777 or on the web at
Area Amenities: Accessible,Boat ramp,Tent camping,Camping trailer,Fee charged for some activities,Picnic tables,Toilets,Drinking water,Parking
Fees Single Family Campsite - $15.00/day use or overnight
Double Family Campsite - $30.00/day use or overnight
Second Vehicle Charge – 7.00/car
IA Senior Pass – Single Site - $7.50/day use or overnight
Buttermilk Group Site : Friday/Saturday – $130.00/day use or overnight
Buttermilk Group Site : Sunday-Thursday - $65.00/day use or overnight

Open Season: May
Usage: Medium
Restrictions: No All Terrain Vehicles (ATVs) or Off-HighwayVehicles (OHVs)allowed in the park.
Water: Potable Water
Restroom: Vault Toilet
Operated By: Concessionaire

General Information


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.


Buttermilk Campground offers running water, vault toilets and bear-proof garbage dumpsters.

Recreation Map

Map showing recreational areas. Map Information


Camping & Cabins

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Picnic tables
Drinking water
Boat ramp for the Island Park Reservoir
Fee charged for some activities
Tent camping
Camping trailer
Areas & Activities


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