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 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 provides the first 4.5 minutes of shower time for $1.50. Extra shower time can be purchased for $0.25 for every 30 seconds. No amenities are provided; soaps and shampoos may be purchased at the Caver's Camp Store.