Boysen State Park is a public recreation area surrounding the Boysen Reservoir, an impoundment of the north-flowing Wind River, in Fremont County, Wyoming. The state park covers more than 35,000 acres at the south end of the Owl Creek Mountains at the mouth of the Wind River Canyon.
Location: Fremont County, Wyoming, United States
Elevation: 4,728 ft (1,441 m)
Established: 1956
Area: 35,952 acres (14,549 ha)
Administered by: Wyoming State Parks, Historic Sites & Trails