About Boysen Reservoir
Boysen Dam, Reservoir, and Powerplant, features of the Boysen Unit, Pick-Sloan Missouri Basin Program, are on the Wind River about 20 miles upstream from Thermopolis, Wyoming. Fishing open year-round with State fishing license. Fish species include trout, walleye, perch, and ling. Approximately 20,000 surface acres and 77 miles of shoreline. Good access via shoreline roads and boat ramps. Other activities include watchable wildlife, big game hunting in season with State license, rockhounding, and horseback riding. Annual winter carnival held in February. Available services include developed campsites and RV sites with dump stations, drinking water, tables, wind screens, restrooms, and boat ramps.Current Reservoir Levels
How to Get There
Take US-20 south from Thermopolis about 20 miles or US-26 about 20 miles north from Riverton, Wyoming.
Driving directions (Google Maps) →Plan Your Visit to Boysen Reservoir
Heading to Boysen Reservoir? A few things to know before you go:
- Reservations: popular sites fill up fast — check Recreation.gov 6 months in advance
- Fees: day-use and camping fees vary; check current rates on the official park page
- Trash & pack-out: follow Leave No Trace principles
- Wildlife: store food in bear boxes where provided; never feed wildlife
- Weather: the 5-day forecast above is updated every 6 hours; verify just before you go
Frequently Asked Questions
Do I need a reservation for Boysen Reservoir?
No central reservation system listed for Boysen Reservoir. Check the official page (https://www.recreation.gov/recarea/1230) for the latest entry policy and availability.
How do I get to Boysen Reservoir?
Take US-20 south from Thermopolis about 20 miles or US-26 about 20 miles north from Riverton, Wyoming.
How do I contact Boysen Reservoir?
You can reach the park at phone: 307- 876-2796.
References & Official Resources
