Tongue River Reservoir State Park

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290 Campers Pt
Decker, MT 59025

Tongue River Reservoir State Park in Decker, MT offers a picturesque 12-mile long reservoir surrounded by red shale cliffs, juniper canyons, and open prairies, making it a popular destination for anglers, campers, and boaters from Montana and Wyoming. The park provides excellent fishing opportunities with state record fish being caught, as well as a variety of water-based activities such as boating, swimming, and camping.

With 81 reservable camping sites, including electric hookups and non-electric options, visitors can enjoy the park's amenities such as fish cleaning stations, boat ramps, marina store, and wildlife viewing opportunities. Whether exploring the water on a kayak, fishing for crappie and walleye, or simply relaxing on the beach, Tongue River Reservoir State Park offers a serene escape in the heart of Southeastern Montana.

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4.53 reviews
Photo of Linduh777
Nice Park
7/23/2023

A beautiful place to spend a day. Also, lots of camping spots. Clean and neat, but not a lot of sh...

Photo of weiss676
Dog friendly - great place to camp
2/27/2021

What's not to like about Tongue River? Roomy camp spaces that aren't all on gravel. Boat ramps. S...

Photo of JonM977
Barren land, RVs bringing day use watercraft are major tenants
8/16/2017

Don't use this site if you want the pine tree camping experience. Its main existence is for use as a...

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