Mammoth Cave Hotel offers guests and Park visitors a service center and convenience store located on Mammoth Cave Parkway, near the National Park Service campground. The Caver's Camp Store features gasoline and auto supplies, groceries, picnic foods, showers and a self-service laundry facility with an adjacent full-service U.S. Post Office.

The showers are coin-operated and provide 10 minutes of shower time for $2.  No amenities are provided; soaps and shampoos may be purchased at the Caver's Camp Store.