USFS · Campground · Fee
This campground is located on the northwestern shore of East Fork Reservoir. The reservoir covers 500 acres with timbered hillsides all around. At the far end of the reservoir you may access the Anaconda Pintler Wilderness. At an elevation of 6,500 feet, Spillway Campground encompasses 3 acres. It is a nicely developed Forest Service campground with 13 campsites in lodgepole timber. Some sites are along the shore and some slightly back on the hillside. Restrooms and water are available and pets are welcome at the campground as long as they're kept on a leash. The maximum recommended trailer length for the area is 22 feet. Please limit your stay to 16 days.
From the USFS.
No. Spillway Campground charges a fee. It is managed by the USFS. Sites are reservable through fs.usda.gov.
The campground is located about 18 miles southwest of Philipsburg off the East Fork Road (Forest Road 672).
SourceData from the USFS. Last synced September 18, 2026. Community reports and photos are submitted by travelers and are not verified by the agency.