Mammoth Cave
National Park

Some places change your perspective.

The longest known cave system in the world.

Rolling hills, deep river valleys, and the world's longest known cave system. Mammoth Cave National Park is home to thousands of years of human history and a rich diversity of plant and animal life, earning it the title of UNESCO World Heritage Site and International Biosphere Region.

Park information: National Park Service.

Before you head out

Start with the official park guide for trip planning, accessibility, reservations and current conditions. Availability and requirements can change throughout the year.