Plan Your Visit
Your visit to Mammoth Cave National Park can include cave tours, surface hikes, canoeing on the Green River, picnicking, horseback riding, bicycling, camping and more. These pages provide everything you need to begin your journey of exploration in and around the world's longest known cave.
Did You Know?
Mammoth Cave is the world's longest known cave, with more than 400 miles of interconnected passages—so long that if the second and third longest caves in the world were joined together, Mammoth Cave would still be the planet's longest cave and have more than 100 miles left over!