Use Recreation.gov for Indian Creek Campground, Lewis Lake Campground, Mammoth Campground, Norris Campground, Pebble Creek Campground, Slough Creek Campground, and Tower Fall Campground.

The surface of Mammoth Cave National Park encompasses about 80 square miles. No one knows how big the underside is. More than 365 miles of the five-level cave system have been mapped, and new ...