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National park · Cave City, Kentucky
Mammoth Cave National Park
An underground network of passages in Kentucky, with more than 680 km already mapped, visited with park rangers. A UNESCO World Heritage Site.
Illustrative images. The pictures in this guide are illustrations based on the real place, not photographs, and may differ from it.
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About Mammoth Cave National Park
Mammoth Cave formed over millions of years by water acting on layers of limestone, under a covering of sandstone that protected the passages. More than 680 km have been mapped, and exploration continues. The national park was created in 1941 and listed by UNESCO in 1981.
Guided tours range from one to six hours and from easy to difficult. The Historic Tour enters through the cave’s natural mouth and passes through chambers used for saltpeter mining in the early 19th century. The Domes and Dripstones Tour showcases stalactite and stalagmite formations. There are flashlight tours and crawl passages for those seeking adventure.
On the surface, trails run through forest and reach the Green River, where canoeing is possible. The visitor center has exhibits on the cave’s geology and history.
Before you go
Practical information
Cidade Turismo reviews its information regularly, but something may have changed. Check with the place before planning your trip.
How much time to set aside
One to six hours per guided tour; one day for two tours and the trails.
Best time
Year-round; the temperature inside the cave stays around 12 °C. Tours often sell out in summer and early autumn: book in advance.
How to get there
The visitor center is about 15 km from Cave City, via KY-70 from exit 53 on I-65. There is no public transport.
Tip
Bring a warm layer and shoes with firm soles: there are many stairs and the floor can be wet.
Official website
Get your questions answered
Frequently asked questions about Mammoth Cave National Park
Do you need to reserve a visit to Mammoth Cave?
It is highly recommended: guided tours often sell out, and purchasing on site is not guaranteed.
What is the temperature inside Mammoth Cave?
Around 12 °C year-round.
How long does a Mammoth Cave tour last?
Depending on the route, from one to six hours.
Does Mammoth Cave charge an entrance fee?
There is no park entry fee, but cave tours are paid.