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Keyhole
Overview
Keyhole State Park, situated along the edge of the scenic Black Hills in northeast Wyoming, serves as a premier destination for water enthusiasts and road trippers. This sprawling park surrounds the 14,000-acre Keyhole Reservoir, offering a refreshing contrast to the arid plains. It provides a peaceful retreat where the sky feels endless and the water invites exploration, making it a staple for those traveling through the region.
Location & Surroundings
Located just outside Moorcroft, WY, the park is nestled within the Belle Fourche River basin. The landscape features a mix of ponderosa pine forests and rolling grasslands. Its position makes it an ideal basecamp for exploring the northeastern corner of the state, providing easy access to major travel corridors while maintaining a sense of remote wilderness. The scenery is particularly striking during sunset when the light hits the surrounding hills.
Amenities & Park Features
The park offers several distinct camping areas with diverse setups. RVers can find electric and water hookups in specific loops like Pronghorn or Tatanka, while more rustic sites are scattered along the shoreline. Practical features include conveniently located dump stations, potable water spigots, and a full-service marina that provides supplies and fuel. For recreation, the park includes developed boat ramps, playgrounds for families, and well-maintained picnic shelters.
Nearby Attractions & Things to Do
The most iconic nearby landmark is Devils Tower National Monument, located only a short drive away. Within the park, visitors focus on the water, enjoying premier fishing for walleye and northern pike. Boating, water skiing, and swimming are popular summer activities. On land, the Marina Trail offers a gentle hiking experience with excellent bird-watching opportunities, where travelers often spot bald eagles and various migratory waterfowl.
Who This Park Is Best For
This park is an excellent choice for outdoor-loving families and anglers looking for a water-based vacation. It is particularly well-suited for travelers who want to see Devils Tower but prefer a quieter, more natural setting than commercial parks. Whether you are a weekend warrior looking for a boat-friendly site or a long-haul RVer seeking a scenic stopover, the park offers the space and serenity needed to recharge.
Amenities
- Recreational Facilities
- Policies
- Other Amenities & Services
- Facility
- Hunting Nearby (within 20 miles)
- On-Site Rentals
- Sites
User Reviews
Dawn J
We spent a few hours at Keyhole State Park, looking for a good place to hike. We hiked around the lake via the Beach Trail and then drove up the road to hike the Little Keyhole Trail over and near the dam. These were both short trails, but made for a nice afternoon excursion.
Julie Jordan
Great location but super un level gravel campsite, AR08. No power or water but lake access is worth the sacrifice.
evan mcentee
Was very well kept and clean, aside from one of the bathrooms running out of paper, says my old lady. Tent camp sites are a little walk downhill if your at tatanka sites, but your camping so get over it! Lake is quite in the mornings and afternoons with respectable boaters to lake fishing.
Anna
Great state park! Clean & well-maintained in a beautiful area. Staff could do a better check of camping cabins as they were a bit dirty but overall a great trip.
Sarah Carsello
Visit August 2021, Cabin 1: Beautiful campground with amazing views of the reservoir all around. Very quiet with minimal human or animal noises. It was a bit of a drive (too far to walk) to the showers but very clean and in the open. There was an outhouse nearby that we could use throughout the day. IMPORTANT NOTE: Showers were coin operated. Bring quarters or cash for exchange machine. We stayed in a cabin on the shoreline. Very peaceful and the perfect location to look out at the water or walk the shoreline. We swam at the beach for awhile and were the only people there. The sunsets from the beach were SPECTACULAR! We really enjoyed our stay and highly recommend this state park! Nearest gas station is a long drive away too. Come prepared with enough ice or build the drive to get ice into your itinerary.