About Keystone
Keystone is a city in the Black Hills region of Pennington County, South Dakota, United States. The population was 240 at the 2020 census. It had its origins in 1883 as a mining town, and has since transformed itself into a resort town, serving the needs of the millions of visitors to the Mount Rushmore National Memorial, which is located just beyond the town limits. Keystone was heavily damaged in the 1972 Black Hills flood.
Source: Wikipedia
Getting There
✈️ Airports
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Rapid City Regional Airport
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Ellsworth Air Force Base
Things to Do Nearby
Lincoln Borglum Museum
Norbeck Wildlife Preserve
Rushmore Cave
Black Elk Peak Lookout Tower
Black Hills Playhouse
Sitting Bull Crystal Caverns
Black Hills Central Railroad
Peter Norbeck Outdoor Education Center
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