Our Check-In Office is located at 13620 South Hwy 16 at the Conoco Gas Station. If you are coming from the East (I-90), take Hwy 16 south out of Rapid City. We are just past Old McDonald's Petting Zoo. If you are coming from the South (Hwy 79), take the Truck ByPass over to Hwy 16. Head West on Hwy 16 toward Mount Rushmore, following the directions above. If you are coming from the West (Hwy 385), continue through Hill City and head East on Hwy 16 about 15 miles. The Conoco Gas Station will be on your left, just before Old McDonald's Petting Zoo. Black Hills RV Service Center and Conoco gas station are on Hwy 16 between Hill City and Rapid City. Please see full color map above. Questions: Call our office at 1-877-773-5151.