Bureau of Reclamation, Wyoming.
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
Effective immediately, Reclamation will require all boats launching at Lake Berryessa to participate in a seal program to prevent the spread of invasive mussels. All vessels wishing to launch at Lake Berryessa will be inspected. A red quarantine seal will be applied for 30 days during, which the vessel will not be permitted to launch. Vessels that have finished the 30-day quarantine may return to the lake and have the seal removed by authorized staff and will be allowed to launch. For more information on this updated protocol, please view the press release here: https://www.usbr.gov/newsroom/news-release/5031.
Take US-20 south from Thermopolis about 20 miles or US-26 about 20 miles north from Riverton, Wyoming.