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Boysen State Park

Shoshoni, WY

No photo available for Boysen State Park
Fee: Day use: $7/vehicle (WY residents), $12/vehicle (non-residents). Camping: base $10 residents / $18 non-residents plus day-use fee and tax; electric sites +$10/night. Annual day-use pass $48 residents / $96 non-residents. Reservations: reserve.wyoming.gov or 877-WYO-PARK

About this park

Boysen State Park surrounds Boysen Reservoir at the mouth of Wind River Canyon. Camping, boating and fishing are the main draws. The park is open year-round, 24 hours a day, weather permitting. The area has a long history. The Ashley Fur Party came through Wind River Canyon in 1825, and Asmus Boysen built the first dam here in 1908. Part of that original dam can still be seen next to the tunnels at the Lower Wind River Campground. The railroad came through in 1911, the state highway in 1925, and the present dam was completed in 1951. Boysen became a state park in 1956. The park page lists a harmful algal bloom (toxin) advisory for several campgrounds and the Wind River below the dam. Check current notices before swimming or letting pets into the water.

Contact & location

📞 (307) 876-2796
📍 120 Boysen Drive, Shoshoni, WY, 82649

Nearby state parks

🌲Hot Springs State Park · Thermopolis · 26.3 mi
🌲Legend Rock State Petroglyph Site · Thermopolis · 42.7 mi
🌲Sinks Canyon State Park · Lander · 49.5 mi

Map

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Boysen State Park FAQ

Where is Boysen State Park located?
Boysen State Park is in Shoshoni, Wyoming, at 120 Boysen Drive. GPS coordinates: 43.2762, -108.1459. Get directions.
Is there an entrance fee at Boysen State Park?
Day use: $7/vehicle (WY residents), $12/vehicle (non-residents). Camping: base $10 residents / $18 non-residents plus day-use fee and tax; electric sites +$10/night. Annual day-use pass $48 residents / $96 non-residents. Reservations: reserve.wyoming.gov or 877-WYO-PARK. Fees can change by season, so confirm with the park before you go.
How do I contact Boysen State Park?
You can call (307) 876-2796. The park office can confirm RV site availability, hookups, length limits and current conditions.
Are there RV campgrounds near Boysen State Park?
Yes. The closest RV-friendly campgrounds listed on ParkedRV are:Distances are straight-line miles.
How current is this information about Boysen State Park?
This listing was last updated on October 8, 2026. If something is out of date, let us know and we'll fix it.