Keystone
Rushmore's Gateway
State: South Dakota
County: Pennington County
Founded: 1881
Abandoned: Semi-ghost
Peak Population: Gold mining town
Keystone was a gold mining town before becoming the gateway to Mount Rushmore. The Holy Terror Mine was one of the richest in the Black Hills. Today, about 337 residents cater to 3 million annual Rushmore visitors.
Plan Your Visit
Best Time: Summer
Difficulty: Easy
Time Needed: 2 hours
Quick Facts
- Mount Rushmore gateway
- Holy Terror Mine
- 3 million annual visitors
Location
Address: Keystone, SD
Coordinates: 43.8833, -103.4333