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Rapid City, South Dakota: Thunderhead Underground Falls (Closed)

30-ft. tall color-lit waterfall in the corridors of a gold mine. First mined in 1874, 600 ft. long tunnel open as a tourist attraction since 1950. 2016: Erratic hours reported; call ahead!

South off Rt. 44, 1.5 miles down narrow, winding Thunderhead Falls Rd. Watch for signs.
2017: Reported closed.

Visitor Tips and News About Thunderhead Underground Falls

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Thunderhead Falls Mine.

Thunderhead Falls Gold Mine

Oldest gold mine in the Black Hills area. It has been untouched by modern tourism. Totally worth the trip!

[Tiffany, 08/19/2014]

Visitors walk along a lit former gold mine tunnel to see a 30-ft. tall underground waterfall.

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