Boysen State Park - United States
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About Boysen State Park
RV quick facts for Boysen State Park
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Best time to visit Boysen State Park
Late June through early September is the prime window, when warm days support boating, swimming, and fishing on the reservoir and all roads and ramps are open. July typically delivers the most reliable warm weather, though it is also the busiest period for shoreline campsites. May and September are good shoulder months for cooler temperatures, fewer crowds, and easier site selection, but RV travelers should expect cold nights and the chance of spring snow squalls. Winter visits are limited, with strong wind, ice on the reservoir, and reduced services.
Cold and windy; most campgrounds closed or minimal services
Winter conditions; campgrounds closed, day-use only
Variable weather; many campgrounds still closed
Spring opening for many sites; expect wind and possible snow
Shoulder season, cool nights
Reliable warm weather; popular for boating
Peak season; reserve sites well in advance
Hot and dry; high fire danger possible
Excellent shoulder season for RV travel
Cooling rapidly; reduced services late month
Most campgrounds closed for the season
Winter conditions; campgrounds closed, day-use only
Things to do at Boysen State Park
- Boat the Reservoir EasyRV parking available
Boysen Reservoir is one of central Wyoming's largest bodies of water and a regional hub for motorboating, sailing, and water sports. Multiple boat ramps around the shoreline give RVers easy launch access from campground areas.
- Walleye and Trout Fishing EasyRV parking available
The reservoir is known for walleye, trout, perch, and ling fishing year-round. Anglers fish from boats, the dam area, and accessible shoreline near several developed campgrounds.
- Drive the Wind River Canyon Scenic Byway EasyRV parking available
U.S. Highway 20 north from the park threads through the Wind River Canyon between towering cliffs and the river. The canyon sits at the mouth of Boysen Dam, with three short tunnels and pullouts for photos along the way.
- Swim Beach Day Use EasyRV parking available
Designated swim and day-use areas along the reservoir offer sandy beaches, picnic shelters, and shallow swimming during summer. Day-use lots accommodate larger vehicles and tow rigs.
- Wildlife Viewing EasyRV parking available
The park's mix of sage flats, water, and canyon habitat draws pronghorn, mule deer, waterfowl, and raptors. Early morning and evening drives along park roads are productive for sightings.
- Visit Hot Springs State Park in Thermopolis EasyRV parking available
About 25 miles north of Boysen at the other end of Wind River Canyon, Hot Springs State Park features free public mineral hot springs and a bison herd. It pairs naturally with a Boysen RV stay as a half-day side trip.
- Stargazing EasyRV parking available
Boysen's remote central-Wyoming location and limited light pollution produce excellent dark skies. Open shoreline campsites give wide horizons for the Milky Way and meteor showers.
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RV Rentals Boysen State Park
Boysen State Park, WY, United States
How to get to Boysen State Park
The park sits along U.S. Highway 20/26 between Shoshoni and Thermopolis in central Wyoming. From Casper it is roughly 100 miles (about 1 hour 45 minutes) west via U.S. 20/26, and from Riverton it is about 25 miles (around 30 minutes) east. RV drivers heading north from the park pass through the Wind River Canyon, a scenic but narrow two-lane corridor with three short rock tunnels, tight curves, and rock-fall zones, so wide rigs should drive slowly and stay centered. The closest commercial airport for fly-and-rent travelers is Riverton Regional Airport (RIW), with Casper/Natrona County International (CPR) as a larger alternative.
RVezy vs. Traditional RV rental
RVezy rentals
- Book directly from local RV owners
- Choose the exact RV you want
- Delivery to your campsite, home, or destination
- More variety: trailers, motorhomes, and campers
Traditional RV rental
- Limited fleet from a rental company
- Exact RV not guaranteed
- Pickup only at retail locations
- Fewer RV types and less availability