Keyhole State Park, located in Pine Haven, Wyoming, is a serene destination nestled on the western edge of the Black Hills. The park offers a picturesque beach area along the Keyhole Reservoir, providing a tranquil environment for relaxation and outdoor activities. Visitors can enjoy swimming, fishing, boating, and bird watching amidst the beautiful landscapes. The park's proximity to Devils Tower and its rich history add to its appeal. Despite its natural beauty, the beach area has limited amenities, so planning ahead is advisable. The park is accessible via I-90, making it a convenient stop for travelers exploring the region.
Keyhole State Park spans over 15,890 acres, offering ample opportunities for hiking, water skiing, and camping. The park is renowned for its diverse birdlife, with over 225 species documented. The climate varies significantly, with warm summers and cold winters, making it essential to plan visits according to seasonal preferences.
The park's history is tied to the Keyhole livestock brand, and its scenic views make it a popular spot for nature enthusiasts. While the beach itself has restrictions like no pets and no fishing, the broader park area allows pets in campgrounds and offers various recreational activities.