Do you have to wear a mask in Mammoth Cave? As such, masks are not required in the cave or visitor center.
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Tours range from easy to difficult and may last anywhere from one to six hours. Cave trails and walkways may have electric lights or may be rugged, pitch-dark paths that require visitors to carry a lantern.
With 18 miles of easy to access trails found on the south side of the Green River, you can take a day to explore the above ground geology and history of the park, or simply venture out on a quick hike between your cave tours and ranger-led programs.
There is so much to learn here and their Junior Ranger program is very good compared to some other national parks. Besides the caves, there is excellent hiking, canoeing, biking, and many other things. And, the town of Cave City has lots to do as well. Stay in the park if you can, it is worth it.
Clothing must be made of wool or synthetic materials like polypropylene and polyester and should cover your entire body. Any type of old jeans or rugged pants can be worn, along with a long sleeve shirt, synthetic underwear, wool or synthetic socks, fleece jacket, a windbreaker or raincoat and synthetic bras for women.
Mammoth Cave is considered a dry cave. Above all the layers of limestone rock there are two more layers of sedimentary rock, sandstone and shale. These layers of rock were created long after the development of the limestone. A river flowed over this area leaving behind sand, silt and mud.
The cave is 379 feet (118 m) deep, and contains at least 5 levels of passages. The levels were formed in response to changes in the Ohio River during the late Tertiary and Quaternary Periods.