Grace Coolidge Campground is a small, well-maintained campground in Custer State Park with 20 sites adjacent to Grace Coolidge Creek, offering a designated walk-in fishing area and creek access for anglers.

The north side features tent-only camping while the south side accommodates all camping units, with amenities including flush toilets, showers, drinking water, and friendly on-site hosts.

Located ½ mile west of the park office on US Highway 16A, it provides convenient access to nearby hiking trails and is centrally positioned within the park for exploring other attractions.