Tongue River Reservoir State Park is a public recreation area located 6 miles north of Decker, Montana, on the western shore of the Tongue River Reservoir. The 12-mile-long reservoir is an impoundment of the Tongue River. The state park, occupying 642 acres at an elevation of 3468 feet, offers boating, fishing, camping, swimming, wildlife viewing, and a seasonal marina.
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Contact Tongue River State Park
- Reserve America
- Booking site: https://www.reserveamerica.com
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