Campsite Atlas
Menu
U.S. Forest Service · Flathead National Forest

Riverside Campground (Mt)

Riverside Campground is located on the Hungry Horse Reservoir, high in the Rocky Mountains, less than 30 miles from the Continental Divide, surrounded by towering mountain peaks. Visitors can expect a variety of recreational activities, including fishing, boating, swimming, hiking, exploring and big game hunting. Riverside is 1 reservable group site. The stay limit is 10 consecutive nights. Boating is popular on the 27,750-acre reservoir, and a concrete boat ramp is accessible from within the campground. Swimming and fishing are also popular pastimes, and anglers can expect to catch a variety of fish, including cutthroat trout.

Reservable3 sitesAccessibility info
Check availability on Recreation.gov ↗

Campsites

Host/management2
Group sites1
Total3

Amenities & rules

Pets allowedCampfires allowedMax vehicle length 50 ftRVs & trailersTents

Fees: To make reservations by phone please call: 1-877-444-6777. Although you are allowed two motorized vehicles per site, the first vehicle is included in the site fee; the second vehicle is charged $5.00/day upon arrival at the campground. 2026 begins Riverside Campground as 1 large group site.

Compiled from site-level records; individual sites vary. Confirm on Recreation.gov or with the managing office.

Getting there

From Martin City, Montana, turn off Highway 2 and continue on the main road through the town heading south. This road becomes the East Side Reservoir Road and is paved for the first 3 miles. Continue for about 20 miles to the campground.

Campgrounds nearby

Data source: Recreation.gov RIDB, retrieved August 30, 2026. The Campsite Atlas is an independent publication and is not affiliated with or endorsed by the Recreation.gov or any federal agency. Always confirm critical details on the official Recreation.gov page before you travel.