North Platte River near Casper, Wyoming. Drill rig west of Casper, Wyoming. Trout on the North Platte River, Wyoming. Coal mine in the Powder River Basin, Wyoming. Aspen grove on Muddy Mountain south of Casper, Wyoming.
BLM>Wyoming>Field Offices>Casper>Recreation>Alcove Lake & Pathfinder Reservoir
Print Page
Casper Field Office

Alcova Lake

The dam, reservoir, and power plant are located on the North Platte River about 30 miles from Casper and 1 mile southeast of Wyoming Highway 220 and the town of Alcova. Alcova Reservoir covers 2,470 surface acres and has a storage capacity of 156,155 acre-feet.  Sail boating and water skiing in summer and ice fishing in winter attract many visitors each year. A marina offering boats for rent is located on the lake.  Around the reservoir are eight boat ramps and six campgrounds.  Black Beach, a popular swimming area in summer, has a barrier-free fishing pier, restroom facilities, and shelter. Available fish species include brown trout, cutthroat trout, rainbow trout and walleye. A dinosaur interpretive trail is located near Cottonwood Creek Beach.

Directions: Take U.S. 220 southwest from Casper. Access is from county roads 406 or 407.  For current reservoir data and other information about Alcova Lake, click here. 

Pathfinder Reservoir

The area is located on the North Platte River 47 miles southwest of Casper in Carbon and Natrona counties.  Parts of the reservoir are included in the Pathfinder National Wildlife Refuge.   There are three campgrounds and three boat ramps. Available species include brown trout, cutthroat trout, rainbow trout, ohrid trout, and walleye. The Pathfinder Interpretive Center and 1.7 mile interpretive trail are located near the dam. The interpretive trail may be accessed across the historic suspension bridge or from the dam.

Pathfinder Dam is one of the first constructed by the Reclamation Service (Bureau of Reclamation). The dam is in a granite canyon on the North Platte River about 3 miles below its junction with the Sweetwater River. The reservoir has a storage capacity of 1,016,000 acre-feet.

Directions: Take U.S. 220 southwest from Casper.  Access is from U.S. 220 via county roads 408 or 410.  Specific details about Pathfinder Reservoir and its facilities can be found here .

Fremont Canyon 

Fremont Canyon is located on the North Plate River 4 miles downriver from Pathfinder Dam.  The area provides interpretive signs, a barrier-free restroom, and picnic shelter.  Fremont Canyon is widely known as a popular rock-climbing area.  Click here for additional information on access and climbing routes.