Mammoth Cave National Park in Kentucky

Mammoth Cave National Park
Waterfall outside of Mammoth Cave National Park entrance due to extreme rainfall from Hurricane Harvey.

After departing from a week of exploring the Great Smoky Mountains National Park, I made my way up to Kentucky to visit Mammoth Cave National Park. The national park was established on July 1, 1941. It became a World Heritage Site on October 27, 1981, and an international Biosphere Reserve on September 26, 1990.

Mammoth Cave National Park

Mammoth is the longest cave system in the entire world. With 405 miles (652 km) of surveyed passageways Mammoth Cave is by far the world’s longest known cave system, being nearly twice as long as the second-longest cave system, Mexico’s Sac Actun underwater cave.

Mammoth Cave National Park
Waterfall inside Mammoth Cave National Park due to extreme rainfall from Hurricane Harvey.

We were EXTREMELY lucky to see waterfalls inside the cave due to Hurricane Harvey rainfall. Our park ranger said it was the only time in his career that he’d ever seen anything like it.

Graffiti in Mammoth Cave National Park from the 1800's and earlier!
Graffiti in Mammoth Cave National Park from the 1800’s and earlier!

Human beings have been exploring Mammoth Cave for over six thousand years, and we still haven’t even come close to finding the end of it!!

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