My wife and I are volunteering at a camp in Montana this year. It is located about 5 hours from Yellowstone, so we figured we would take an extra week and do some site seeing. We will NOT be camping t...
Rather than using Rapid City as a base I would suggest Custer/Hill City area. Much closer to Mt Rushmore, Wind Cave, Custer State Park. Rapid would entail a lot of extra driving.