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Mammoth Caves National Park

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The Longest Known Cave In The World

Sheltered below the emrald green folliage of Kentucky is the longest cave system in the world. Mammoth's massive domed chambers, mind boggling rock formation, and subterranean river is all product of the regions limestone geology and proximity to the carving action of the Green River. There's no way to see the entire cave system in a single visit. Fortunately, there are many tours for a variety of interested and levels of accessability.

Ruins of Karnak along the Geology Tour in Mammoth Cave National Park.

Geology Tour


Man stepping out of a 1970 Avion C11 truck camper at Houchin Ferry Campground in Mammoth Cave National Park.

Houchin Ferry Campground


Man strolling down the shady boardwalk of the Heritage Trail Loop in Kentucky's Mammoth Cave National Park.

Heritage Loop Trail


Visiting Mammoth Caves National Park

Mammoth Cave National Park warrents some planning ahead. The caves can only been experienced through a guided walking tour and these limited groups tend to book up in advance. Fortunately, there's a lot to do that doesn't require reservations such as hiking the lush landscape, kayaking the Green River, as well as exploring the many privately run caves that are located within a half-hour drive of the park.

Things To See In Mammoth Caves

Book a Tour of the Cave
Learn the history at the Visitor Center
Hike along the River Styx
Kayak down the Green River
Spend the night at the park's campgrounds
Bike the network of trails
Map of Mammoth Caves National Park

Mammoth Caves National Park map