Boysen State Park

Boysen State Park Adventure awaits at Boysen State Park! Visit us for some of the best fishing, boating, swimming, and camping in the state. Highway 20 (east side), U.S.

Boysen State Park offers 3 entrances: U.S. Highway 26 (south side) and Bass Lake Road (west side). Boysen State Park is surrounded by the Wind River Indian Reservation and offers both day-use and overnight camping facilities. Boysen Reservoir is well-known as one of Wyoming’s best walleye and trout fisheries. During most of the season, the reservoir is warm enough for all water sports and an easil

y accessible swimming beach is located on the east shore. Water skiing is a popular sport here. Concessions and a marina serve the north end of the lake and offer food, bait, boat fuel and fishing licenses. In winter, the reservoir has first-rate ice fishing. A wide range of fish is present, including walleye, sauger, perch, crappie, ling, rainbow, cutthroat and brown trout, largemouth bass, bluegill, stonecat, black bullhead, mountain whitefish, lake trout, brook trout and splake. Non-game species include carp, fathead minnow, plains killifish, golden and sand shiners; flathead, lake and creek chubs; white, longnose and northern redhorse suckers; and the river carpsucker. Boysen offers fishing, camping and a variety of water sports , plus picnicking and sightseeing. There are 76 miles of shoreline plus several areas below the dam, along the waters of the Wind River. Several state record fish have been caught in this area. Boysen State Park is one of the larger parks in the State Park System. It is a lake-orientated park at the south end of the Owl Creek Mountains at the mouth of Wind River Canyon now part of the Wind River Canyon Scenic Byway. It offers a variety of water type recreation. Day and camping facilities are available. It features interesting geological formations. Several state record fish have been caught out of the reservoir. Winter Services... We are open year-round with limited services in the winter season. All of our water systems, except for Brannon are closed from October 1st - April 30th.

A pretty end to the week here at Boysen! 🌈
08/29/2026

A pretty end to the week here at Boysen! 🌈

⚠️ A Toxin Advisory is now in effect at several locations at the reservoir due to harmful cyanobacterial blooms (HCBs). ...
08/20/2026

⚠️ A Toxin Advisory is now in effect at several locations at the reservoir due to harmful cyanobacterial blooms (HCBs).

📍 Fremont Bay, Marina Campground, Tamarack Campground, and Tough Creek Campground

At these locations, toxin levels are unsafe for swimming or fishing; avoid areas near blooms.

A Bloom Advisory also remains in effect for the entire reservoir.

The Department of Environmental Quality (DEQ), the Department of Health, and the Livestock Board recommend that you:

🚫 Do not swim in or come into contact with green water, floating scums or clumps.
🚫 Do not ingest water from a bloom; boiling, filters, and other treatments will not make the water safe.
🎣 Rinse fish with clean water and eat only the fillet portion.
💧 Avoid water spray from a bloom.
🐾 Do not allow pets or livestock to drink water, eat bloom material, or lick their fur after contact.

If contact occurs, rinse with clean water immediately and contact a doctor or veterinarian if symptoms develop.

Learn more, view the live advisory map, or report a suspected bloom at WyoHCBS.org.

Visitors can still enjoy hiking, camping away from the shoreline, and wildlife viewing. Please keep a close eye on kids and pets near the water.

Photos courtesy of the Wyoming DEQ.

Dramatic sunset tonight here at Boysen State Park! 🌦️
08/18/2026

Dramatic sunset tonight here at Boysen State Park! 🌦️

Sssssliter on over to our Scales and Tales: Snake Program next Friday, August 21st at 7PM! We will be meeting at the Tou...
08/14/2026

Sssssliter on over to our Scales and Tales: Snake Program next Friday, August 21st at 7PM! We will be meeting at the Tough Creek Boat Ramp Shelter. Come meet our live ambassador animal and learn more about snakes in Wyoming! 🐍

Our Going Down the Rabbit Hole: Rabbit Program is this Saturday! 🐇Join us at the Tough Creek Boat Ramp Shelter at 7PM to...
08/06/2026

Our Going Down the Rabbit Hole: Rabbit Program is this Saturday! 🐇

Join us at the Tough Creek Boat Ramp Shelter at 7PM to learn more about hares and rabbits in Wyoming. We will be joined by two special guests — live domesticated rabbits! 🐰

Our Park After Dark: Bat Walk is this Saturday — join us at the Lower Wind River Campground Shelter at 8:30PM for a prog...
07/30/2026

Our Park After Dark: Bat Walk is this Saturday — join us at the Lower Wind River Campground Shelter at 8:30PM for a program about bats and a walk with an echo meter bat detector! 🦇✨

Join our Park After Dark: Bat Walk next weekend! 🦇✨
07/23/2026

Join our Park After Dark: Bat Walk next weekend! 🦇✨

Our nighttime programs are coming up! 🌙

🔦 Legend Rock Night Hike (Legend Rock): Saturday, July 25th at 9PM! Join us for an exclusive nighttime program, petroglyph tour, and experiencing the site at dark.

🦂Night Hike (Hot Springs): Friday, July 31st at 9PM at the T-Hill Trailhead. We’ll be talking about bioluminescence and getting to see Wyoming’s only native scorpion species with black light flashlights!

🦇Bat Walk (Boysen): Saturday, August 1st at 8:30PM at the Lower Wind River Shelter.

Special glow-in-the-dark stickers are available on a FCFS basis! Some flashlights/headlamps will be provided. No registration is required to attend. Please leave dogs at home.

Ladies, join us for our Women's Hike tomorrow, July 9th at 6:30pm! We’ll be meet at the Day Use Shelter below the Boysen...
07/08/2026

Ladies, join us for our Women's Hike tomorrow, July 9th at 6:30pm! We’ll be meet at the Day Use Shelter below the Boysen Dam and hiking to overlook the reservoir and river. It is going to be HOT and the hike is strenuous (~4 miles roundtrip with 850ft of elevation gain), so please bring water and wear hiking boots! 🥾

The highly-anticipated Fourth of July Weekend is almost here! 🎇The Boysen Marina fireworks show is still on — happening ...
07/02/2026

The highly-anticipated Fourth of July Weekend is almost here! 🎇

The Boysen Marina fireworks show is still on — happening this Saturday, July 4th at dusk on the big island near the Marina.

As a reminder, personal fireworks are NEVER permitted in Boysen State Park. Please continue to be fire-smart during the dry season. Thank you!

Address

120 Boysen Drive
Shoshoni, WY
82649

Telephone

+13078762796

Website

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