Keyhole State Park
Check pricesWyoming state park centered on Keyhole Reservoir, known for water recreation, fishing, and camping near the Black Hills.

Photo: James St. John, CC BY 4.0, via Wikimedia Commons. Cropped and resized.
Walk beneath a 1,267-foot tower of hexagonal rock columns rising over the Belle Fourche River.
WY-110, about 9 miles south of Hulett · Hulett, WY
Devils Tower rises 1,267 feet above the Belle Fourche River, a butte of phonolite columns that the National Park Service calls the world's largest example of columnar jointing. You can hike the trails around its base, stop at the visitor center and watch climbers work the cracks between columns. Theodore Roosevelt made it the nation's first national monument in 1906. More than 20 Native American tribes hold it sacred, and climbers are asked to stay off voluntarily each June.
The closest stops to Devils Tower National Monument, ordered by straight-line distance. A few more like it, plus some different kinds of fun so you can build a full day.
Wyoming state park centered on Keyhole Reservoir, known for water recreation, fishing, and camping near the Black Hills.
19 mi awaySwitch it up: Sports & Outdoors
Black Hills gateway town between Devils Tower and Mount Rushmore in northeast Wyoming.
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Follow the Spearfish Canyon Scenic Byway past limestone cliffs and waterfalls, including Bridal Veil, Spearfish and Roughlock Falls.
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Catch summer collegiate baseball with the Spearfish Sasquatch at Black Hills Energy Stadium.
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Walk the hillside cemetery above Deadwood to the graves of Wild Bill Hickok and Calamity Jane.
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Historic Black Hills gold-rush town with gaming halls, museums and Wild West heritage sites.
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