Bison Express Day tour is an 8 - 9 hours trip through the Black Hills which includes; Mount Rushmore, Crazy Horse Wind Cave National Park (no cave tour), Custer State Park, State Game Lodge and the Iron Mountain Road. Additional stops for group charters could include the Needles Highway, Sylvan Lake and Mount Coolidge. This is the best Black Hills tour for observing the wild-life. Fully narrated!Bison Express Day tour is an 8 - 9 hours trip through the Black Hills which includes; Mount Rushmore, Crazy Horse Wind Cave National Park (no cave tour), Custer State Park, State Game Lodge and the Iron Mountain Road. Additional stops for group charters could include the Needles Highway, Sylvan Lake and Mount Coolidge. This is the best Black Hills tour for observing the wild-life. Fully narrated!