You will find fun on all levels at the Black Hills' newest adventure park.  Explore Rushmore Cave on a scenic cave tour, cruise down the mountain on the Rushmore Mountain Coaster, soar through the air on the Soaring Eagle Zipline Ride, shoot 'em up at the Gunslinger 7-D Interactive Ride, and find your inner daredevil at the NEW Wingwalker Challenge Course. It's a mountain of family fun!  Open May-October. And open weekends in March & April. 5 miles east of Keystone on Highway 40.