Island Park Reservoir

About Island Park Reservoir

This lake is formed from the Henry's Fork of the Snake River. It is a beautiful lake surrounded by lodgepole pine trees, with fantastic fishing, and located only about 60 miles north of Rexburg. This large reservoir is popular for boating, fishing and water skiing. Visitors may drive across the top of the dam for scenic views of the Centennial Mountains and Box Canyon.Island Park Reservoir's body of water covers 8,400 acres. Boat ramps/docks are located at Buttermilk Campground, Island Park, Lakeside Lodge, McCrea Bridge Campground, Mill Creek and the West end. Camping is also available at Buttermilk, McCrea Bridge, Mill Creek and West End.

Plan Your Visit to Island Park Reservoir

Heading to Island Park Reservoir? A few things to know before you go:

• Reservations: popular sites fill up fast — check Recreation.gov 6 months in advance
• Fees: day-use and camping fees vary; check current rates on the official park page
• Trash & pack-out: follow Leave No Trace principles
• Wildlife: store food in bear boxes where provided; never feed wildlife
• Weather: the 5-day forecast above is updated every 6 hours; verify just before you go

References & Official Resources

• Official Recreation.gov page
• View on OpenStreetMap
• Driving directions (Google Maps)