Fee: Montana residents with state parks registration: no daily entrance fee. Nonresidents: $8 per vehicle, $4 walk-in/bicycle. Camping $4-$34 per night.
About this park
Thompson Falls State Park is a 36-acre park at 2,362 feet in a mature, mixed pine forest, offering good fishing, boating, bird watching, and relaxing. An accessible fishing pond has a new pier and picnic shelter, and the non-motorized Thompson Falls Trail follows the Clark Fork River. The campground has 18 campsites with a 30-foot maximum trailer length, plus RV, tent, and group camping. Bear-resistant storage, vault toilets, seasonal water, and a boat launch are provided. Visitors can also hike, swim, watch wildlife, and photograph. The park is open March through October, with the campground open May 1 through October.
Thompson Falls State Park FAQ
Where is Thompson Falls State Park located?
Thompson Falls State Park is in Thompson Falls, Montana, at 2220 Blue Slide Rd.. GPS coordinates: 47.61625, -115.38676. Get directions.
Is there an entrance fee at Thompson Falls State Park?
Montana residents with state parks registration: no daily entrance fee. Nonresidents: $8 per vehicle, $4 walk-in/bicycle. Camping $4-$34 per night. Fees can change by season, so confirm with the park before you go.
How do I contact Thompson Falls State Park?
You can call (406) 827-3110 or email tpowell@mt.gov. The park office can confirm RV site availability, hookups, length limits and current conditions.
Are there RV campgrounds near Thompson Falls State Park?
Yes. The closest RV-friendly campgrounds listed on ParkedRV are:
- Kit Price (30.0 mi, reservable)
- Devils Elbow (31.1 mi, reservable)
- Berlin Flats (31.1 mi, reservable)
How current is this information about Thompson Falls State Park?
This listing was last updated on October 4, 2026. If something is out of date, let us know and we'll fix it.