Tongue River State Park

Star4.16
25 reviews
290 Campers Point, PO Box 8, Decker, Montana, 59025, United States
SwimmingSummer Destination

Quick Facts

3,461 ft

Price

$8 - $43/night

Booking

Reservable

Sites

156 campsites

Season

Seasonal operation i...

Cell

Unknown

Pets

Very Pet Friendly

RV FriendlyElectric

Opens Montana State Parks site

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Tongue River State Park
$8.00 - $43.00 / night
Campsite Fees
Fees range from $8 to enter the park to $43 for fishing permits. Additional costs include $35 for a zebra mussel sticker. Specific campsite fees...
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Standard Site Fee$18.00
Hookup Site Fee$0.00
Premium Site Fee$0.00
Hike and Bike Site Fee$0.00
Group Site Fee$0.00
Food Storage Locker Fee$0.00

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What Campers Say

4.16

Satisfactory

Based on 25 reviews

239 Google reviews

Most mentioned

quietcleanstafffriendly

"Overall, user reviews highlight Tongue River State Park as a scenic and versatile destination with good camping, boating, and fishing opportunities. However, some amenities like showers are lacking, and fishing experiences vary."

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Campground Map

290 Campers Point, PO Box 8, Decker, Montana, 59025, United States

Tongue River State Park

290 Campers Point, PO Box 8, Decker, Montana, 59025, United States

Driving directionsLocated just north of the Montana-Wyoming state line, Tongue River Reservoir State Park is located 6 miles north of Decker on Secondary 314, then 1 mile east on county road.
Secondary 314 is accessible from Decker, and the route includes a paved county road for the last stretch. The location is easily reachable, but details on seasonal closures or terrain challenges are not provided.
Nearby places
Decker (6 miles), Sheridan, Wyoming, and other cities are not specified with exact distances and travel times.
Nearby supplies
The marina is noted for being well-stocked, selling essentials, bait, tackle, drinks, firewood, ice, and propane. No exact external supply store locations are listed.

Best Time to Camp at Tongue River State Park

Experience Montana's dramatic seasonal shifts at Tongue River, where crisp, dry winters give way to spectacular camping weather. While winter brings freezing temperatures and light dustings of snow, the magic truly unfolds as spring arrives. Plan your perfect getaway during Week 18 in early May, when temperatures climb to a comfortable 64°F during the day and cool to 40°F at night under predominantly clear skies. Summer reaches its peak during Weeks 26 and 28, with glorious 83-88°F days perfect for water activities, while evenings cool to a pleasant 62°F—ideal for campfire gatherings. With 90% clear skies during peak season, you'll understand why seasoned campers mark their calendars for these golden weeks.

Best
Summer(Jun-Aug)
4.5 / 5
Top 22% in MT

Swimming, boating and fishing are at their best in summer; water access is central.

Fall(Sep-Nov)
3.5 / 5

Crisp fall weather and scenery remain attractive though fewer water activities than summer.

Spring(Mar-May)
3.5 / 5

Activity ramps up in spring; fishing improves around Memorial Day though early spring is variable.

Winter(Dec-Feb)
2.0 / 5

Freezing temps and light snow make winter visits possible but less common and limited activities.

Planning Tips
  • Operating Season: Seasonal operation information is not explicitly stated.

About Tongue River State Park

Nestled in southeastern Montana's rugged landscape, Tongue River State Park beckons adventurers with its stunning 12-mile reservoir that winds through dramatic red rock country. Six distinct campgrounds—from the aptly named Rattlesnake to the waterfront havens of Sand Point and Campers Point—offer 156 total campsites, including 81 reservable spots for those who plan ahead. Whether you're casting a line at dawn, launching your boat into crystal-clear waters, or settling in for a night under Montana's vast sky, this park delivers the authentic Western outdoor experience that draws visitors back season after season.
Tongue River State Park accommodates a variety of camping styles. It offers primitive camping, RV sites, and group camping options, with some areas providing electricity hookups and others being more basic.
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Best Campsites

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Reserving a campsite

Check-in
2:00 PM
Check-out
1:00 PM
Stay Limit
Maximum consecutive stay limit is 8 people per site, increasing to 16 for double sites.

Amenities available

Potable water
Electricity hookups
Dump station
Fire rings
Picnic tables
Firewood available

Activities you can enjoy

Tongue River State Park offers a diverse array of recreational activities. Visitors can engage in boating, bird watching, fishing, swimming, water skiing, and picnicking. The park is also popular for wildlife viewing and is surrounded by a scenic reservoir ideal for water-based activities. User reviews highlight fishing, boating, and swimming as top activities, although fishing reviews are mixed.
FishingFishing is available and popular among visitors, although some reviews mention inconsistent results. For example, Dan Bossell said they 'caught a few fish,' while Lacie Labrie stated, 'If you are looking for a place to fish, move along. WORST FISHING EVER.'
SwimmingSwimming is a highlight for many visitors. Crystal Hiwalker remarked: 'Great for swimming, fishing, camping, or family outings.'
BoatingBoating is a central activity with facilities including a boat launch ramp and fuel options. Visitors described it as a 'wonderful place' for boating.
Wildlife viewingBird watching and general wildlife viewing opportunities are available, although specific species were not mentioned.
Winter Activities
Water Sports
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Policies & Safety

Hazards & AlertsCoal mining activity in the surrounding area results in a coal smell. Sparse tree coverage limits shade during hot weather.

Weather at Tongue River State Park

Reviews

4.2
25 reviews
Satisfactory
Satisfactory
Tongue River State Park is satisfactory, placing it in the bottom 60% of campgrounds based on reviews
Overall, user reviews highlight Tongue River State Park as a scenic and versatile destination with good camping, boating, and fishing opportunities. However, some amenities like showers are lacking, and fishing experiences vary.
Review Summaries
Based on 25 reviews

What Campers Love

Campgrounds offer a variety of activities and ample space. The marina is highly praised for its well-stocked store and friendly staff. Sites are described as private, clean, and quiet. Paul Dodson...
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Based on 25 reviews

Common Concerns

Fishing experiences are inconsistent, and there is a lack of trees for shade, prompting some to recommend packing an awning. One user described the fees as expensive, and there are no shower...
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Based on 25 reviews

Pro Tips & Recommendations

Visitors recommend bringing an awning due to minimal tree cover. Tracy Webb highlighted that the cost per car was $18 per night, which they found reasonable.
Based on 25 reviews

Seasonal Insights

Fishing experiences improve around Memorial Day, but the park can be quieter mid-week. Visits during colder months are possible but less common.
Based on 25 reviews

Camper Quotes

- 'Always a fun place for fishing, boating and camping.' - Steve Hudak - 'The marina is always stocked with necessities.' - Steve Hudak - 'You got to try their Indian tacos on Saturdays and burgers...
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Based on 25 reviews

Site-Specific Reviews

Rattlesnake Campground is quieter and more basic, while Campers Point offers ADA-compatible sites. Pee Wee South and Campers Point are the only reservable campgrounds.
Based on 25 reviews

Accessibility Features

All sites on Campers Point are ADA compatible. Reviewers did not mention specific issues or challenges with accessibility.
Based on 25 reviews

Pet-Friendly Features

Pets are allowed as long as they are kept on a leash, aligning with the park's guidelines.
Based on 25 reviews

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Last updated February 2, 2026
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