Thompson Falls State Park in MT -- Campground & RV Camping in Montana
Thompson Falls State Park in MT
MT State Parks allows overnight stays only at the designated sites here.
Thompson Falls State Park spans 36 acres of mature mixed pine forest at 2,362 feet elevation on the Clark Fork River in the Clark Fork Valley. The campground contains 18 sites accommodating up to 30-foot trailers, with seasonal electricity (April-October) and potable water (May-September). Amenities include vault toilets, bear-resistant storage lockers, fire pits, a recently improved family fishing pond with accessible pier, boat launch, picnic shelter, and a camp host. A recently expanded non-motorized Thompson Falls Trail runs along the river and connects to town via Highway 200, offering extended hiking beyond the campground.
Grounded in fwp.mt.gov · read August 24, 2026The road in has not been measured -- unknown, not bad.
Flatiron Ridge stands 2,284 ft above the site, 1.3 miles west. Crowded here -- the nearest through road is 0.1 miles off. A river runs 0.1 mi off. Night skies measure Bortle 4 -- a rural sky with a glow on the horizon. The nearest town, Thompson Falls, is 2.4 mi off.
September normals 44–77°F, 1.1″ rain. Monthly averages, PRISM 1991–2020.