Boysen State Park
Notice: Attention — details
- Status
- Open (per official listing)Open 24 hours
- Entrance fee
- Statewide rule — see below
- Day-use reservations
- None mentioned
- Dogs
- Not stated — check with park
- Camping
- YesAlso cabins
- Official site
- wyoparks.wyo.gov(307) 876-2796
Official page last checked Oct 29, 2026. How we keep this current
Current alerts 2
Water quality • Camping, boating, and fishing are still available.• Please use caution when in or around the water. • Additional information:
Posted by the park. Official alert
Fire restriction AttentionHCB Advisories In Effect 7/13/2026 HCB Toxin Advisories In Effect 8/18/2026 Toxin Advisory applies to the following locations: ● Brannon Campground ●… (more)
HCB Advisories In Effect 7/13/2026 HCB Toxin Advisories In Effect 8/18/2026 Toxin Advisory applies to the following locations: ● Brannon Campground ● Cottonwood Campground ● Fremont Bay Campground ● Marina Campground ● North Swim Beach ● Sandy Hills Campground ● South Muddy Campground ● Tamarask Campground ● Tough Creek Campground ● Wind River Below Dam ● Wind River Lower Campground ● Wind River Upper Campground Avoid contact with water in the vicinity of the bloom, Do not ingest water from the bloom, Rinse fish with clean water and eat only the fillet portion, Avoid water spray from the bloom, Do not allow pets or livestock to drink water near the bloom, eat bloom material, or lick fur after contact. If people, pets, or livestock come into contact with a bloom, rinse off with clean water as soon as possible and contact a doctor or veterinarian. Visit: Bit.ly/WyoHCB2026 for more information and to help report sightings. - - - - - STAGE 1 FIRE RESTRICTIONS
Posted by the park. Official alert
Overview
In Fremont County, about 28 miles northeast of Riverton, Boysen State Park covers about 53 acres.
Things to do include historic sites, hunting in season, boating, fishing, and geocaching. Facilities for water recreation include a swimming beach. For overnight stays there are campsites (tent sites). There are also cabins for rent.
Hours
Park, gate, office and facility hours are listed separately because they often differ. Alerts above override normal hours.
| Facility | Days | Hours | Season |
|---|---|---|---|
| Park | Open 24 hours | ||
Official wording
Grounds open all year - 24 hours.
Season: Park grounds are open year-round, weather permitting.
Source: official park page, checked Oct 29, 2026. Times are local to the park (America/Denver).
Fees and passes
Parks: per vehicle per day ($7 resident / $12 non-resident).
Statewide fee rule from Wyoming's park system; this park’s page doesn’t list its own fees.
Wyoming park passes
- Annual Day Use Pass (resident) — $48 first vehicle ($42 early-bird Dec 1–Feb 15); $24 additional vehicle. Day-use fees at Wyoming state parks and historic sites for the calendar year, one vehicle Details
- Annual Day Use Pass (non-resident) — $96 first vehicle ($89 Dec 1–Feb 15); $48 additional vehicle. Day-use fees for the calendar year, one vehicle Details
- Annual Camping Pass (residents only) — $89.60 first vehicle; $44.80 additional vehicle. Camping fees only (does not cover day use) Details
- Wyoming Resident Veterans Lifetime Pass — Free (eligibility: Wyoming resident veteran, 50%+ service-connected disability). Free day use and camping for life Details
From the Wyoming state guide. Confirm which passes this park accepts.
Reservations
- Day use
- No day-use reservation requirement mentioned
- Booking system
- reserve.wyoming.gov
- Phone
- 877-996-7275
We link to the official booking system rather than showing live availability, which changes minute to minute.
Camping
Part of the original dam can still be seen adjacent to the tunnels on the Lower Wind River Campground. Original Asmus Boysen Dam Site Located just north of the Lower Wind River Campground.
From the official park page, checked Oct 29, 2026. Site counts and prices can change; confirm when booking.
Cabins and lodging
- Cabins
Things to do
BoatingCampingFishingGeocachingHistoric sites and toursHuntingWildlife viewing and birdingPicnicking
Amenities
Facilities
- Restrooms
- Picnic areas
- Picnic shelters
- Playground
Water
- Swimming beach
- Marina or boat slips
Camping
- RV dump station
- Tent camping
Lodging
- Cabins
✓ listed by the park · ✕ the park says it is not available. Anything not shown here isn’t mentioned by the official source — that means unknown, not unavailable.
Getting there
- Address
- 120 Boysen Drive
Shoshoni, WY 82649 - Nearest town
- Riverton — about 28 mi northeast (straight line)
- Coordinates
- 43.3886, -108.1541
- Phone
- (307) 876-2796
Google Maps directionsApple MapsOfficial park map (PDF)
Directions from the park
The CB&O Railroad went through the canyon in 1911 and the state highway went through in 1925. Original Asmus Boysen Dam Site Located just north of the Lower Wind River Campground.
Nearby state parks
Sources and freshness
- Wyoming State Parks, Historic Sites & Trails — park page — last checked Oct 29, 2026
- Wyoming State Parks list + Wyoming Historic Sites list (Joomla article pages)
- Wikidata
- USGS PAD-US 4.1 (boundary and acreage)
- Photo: Iss068e030993.jpeg — Public domain (US federal government work), NASA Johnson Space Center
“Last checked” is when our system last read the official source. No change has been detected since this page was first published. Hours, fees and rules can change without notice — confirm with the park before you go. Methodology