Less than 10 minutes from Mount Rushmore and 22 miles from the Crazy Horse Monument, this Keystone hotel offers an indoor pool, a jacuzzi, and suites with kitchenettes. The rooms at Quality Inn Keystone near Mount Rushmore are equipped with free Wi-Fi and cable TV. The kitchenette includes a microwave and refrigerator. Keystone's Historic 1880 Boardwalk is adjacent to Quality Inn Keystone near Mount Rushmore. The Cosmo Mystery Area is 4 miles from the hotel.