Three Forks Campground Hill City, SD Campgrounds Alexander`s Slate Rock Ranch 11590 Gillette Prairie Road Hill City, SD 57745 Hill City, SD Ranches 1880 Train/Black Hills Central Railroad Hill City, SD Railroad History Castle Creek Station (formerly Reynolds Ranch) 22875 S Rochford Road Hill City, SD 57745 Hill City, SD Ranches Borderlands Ranch 23120 S Rochford Road Hill City, SD 57745 Hill City, SD Ranches