1880 train ride in Hill City. All of these are located in, and operated by Custer State Park. Another place we've been, the Palmer Gulch Lodge, on the road to Mt Rushmore. They are a BIG campground and RV area, but do have some secluded housekeeping cabins. Nightly bus tours for the Mt Rushmore lighting, horse rides to the top of Harney Peak.
Kids quickly congregate near the video games and gift shop.
Usually well-behaved, but adds to the general clutter. There is no helmet law. On a rainfall map, South Dakota is the same color as Arizona. Temperatures in July can reach the low 100's. In the winter, sometimes 20 below zero.