Buttermilk Campground
The numbers that decide it
- Longest rig
- 50 ft
- Sites
- 56
- Electric hookups
- Yes
- Pull-through sites
- Yes
- Paved access
- No
- Accessible sites
- Not published
- Driveway grade
- Not published
- Bear boxes
- Not published
- Campfires
- Yes
- Shade
- Yes
- Group sites
- 4
Site-level detail from Recreation.gov, checked 2026-08-05. Where a field says “not published”, the agency has not published it — it does not mean zero. See it on Recreation.gov
Buttermilk Campground
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 boat ramps.
Before you go
Season
May
Reservations
Reservations accepted
Fees
Single Site $ 25.00 • Double Site $ 50.00 • Group Area (Sun.-Thurs.) $ 100.00 • Group Area (Fri.-Sat.) $ 200.00 • Extra Vehicle (ea.) $ 7.00
Restrictions
No All Terrain Vehicles (ATVs) or Off-HighwayVehicles (OHVs) allowed in the park.
Scenic drives that pass close
Make it a night on a better road
Byway plans the drive in — real stops, real weather, nothing invented.