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Buttermilk Campground

Campground · National forest in Fremont County, Idaho. Run by Aud & Di Campground Services.

21Campsites
Island Park ReservoirRight on the shore of
YesRV hookups
50 ftLongest RV site

At a glance

OperatorAud & Di Campground Services
AgencyUSDA Forest Service (Caribou-Targhee National Forest)
Campsites21
Site types19 standard, no electric, 1 standard, electric, 1 group standard, no electric
RV hookupsElectric hookups at 1 sites (water at 2)
Longest RV/trailer site50 ft
RVs welcomeYes
Tent sitesYes
ToiletsYes
Drinking waterYes
Dogs allowedYes
FeeYes
Phone(208) 558-7658
Websitewww.fs.usda.gov/r04/caribou-targhee/recreation/buttermilk-ca
ReservationsRecreation.gov

We only list amenities a source records. A missing item doesn't mean the campground lacks it, so check with Buttermilk Campground before you go.

About Buttermilk Campground

Buttermilk Campground is located approximately 30 miles southwest of West Yellowstone, Montana and 32 miles north of Ashton, Idaho in beautiful Island Park, Idaho. Buttermilk sits next to Island Park Reservoir 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 prized 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 offers boating, water skiing and excellent fishing opportunities.

Description: Recreation.gov (U.S. federal government, public domain), shortened.

Lakes near Buttermilk Campground

Lakes and ponds on LakeRipple within 10 miles, closest first (straight-line distance to the shoreline). Each page has boat launches, beaches, fishing and today's weather.

Location & directions

Buttermilk Campground is in Fremont County.

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Sources: Recreation.gov (RIDB) · OpenStreetMap contributors (ODbL). Pulled Oct 12, 2026. Interactive map: Leaflet with © OpenStreetMap contributors. Seasons, rates and rules change; confirm with the campground.