Keyhole State Park

Quick Facts

Keyhole State Park


(307) 756-3596

Map Directions

Things To Do


Keyhole is a mecca for both resident and migrating birds of all species. Visitors also have the opportunity to enjoy a variety of other wildlife, including mule deer, pronghorn antelope and wild turkeys. There is a marina and motel located on the headquarters side of the lake and operated by a concessionaire. The concessionaire has pop, alcohol, groceries, bait, tackle, fishing licenses and 10 electric campsites that he reserves. There is a public boat ramp at the marina. Keyhole offers many attractions and is located on the western edge of the famed Black Hills, between Sundance and Moorcroft. Within sight of Devils Tower, Keyhole State Park is situated along the southeast shore of Keyhole Reservoir and offers excellent fishing for walleye, catfish, small mouth bass and northern pike. Keyhole State Park is open year-round and offers nine campgrounds that are all overlooking the lake. Enjoy the diverse wildlife here at Keyhole State Park.

Map of Keyhole (WY)

Latitude, Longitude: 44.360188, -104.831543



  • Boating

    There is a boat ramp here.

  • Camping

    There are more than 170 sites with tables and grills. Most of the sites will handle large R.V.'s and trailers. Tent or R.V. camping is possible at all sites. Some of the sites are in the trees and some are out in the open.

  • Fishing

    Fishing is allowed under Wyoming regulations.

  • Picnicking

    Picnic areas are in the park.

  • RVing

    RV's are permitted at the campgrounds.


Services are discontinued at the following areas on September 30: Homestead, Cottonwood, Rocky Point, Pronghorn, Pat's Point, Arch Rock, Wind Creek, and Coulter Bay. Trash recepticals and restrooms are still available. The roads to Coulter Bay, the marina, and Pat's Point are plowed in the winter. Most park grounds are open year round, weather permitting; restrooms and drinking water systems are closed Oct. 1 - April 30.

Park Partners

Marina and Motel

Keyhole State Park has a privately run marina and motel that has gas, fishing supplies, groceries, pop, propane and showers. The marina has 10 camp sites with electric hookups and a motel. The marina also has showers.

(307) 756-9529



Located on the western edge of the famed Black Hills, between Sundance and Moorcroft, and is easily accessed off Interstate 90, Exit 165, or take Exit 153 or 154 in Moorcroft, then U.S. Highway 14 north 6 miles, then take State Route 113.

Phone Numbers


(307) 756-3596