Mammoth Cave Is Vastly Larger Than You Think

Mammoth Cave spans 458 kilometers underground.

Kentucky in the United States hosts Mammoth Cave National Park.

Explorers have surveyed over 458 kilometers of cave passages.

Mammoth Cave displays nearly every type of cave formation known.

More than 130 species live inside Mammoth Cave’s unique ecosystem.

Fourteen species exist only within Mammoth Cave’s underground.

The park covers 21,191 hectares of protected land above ground.

Visitors tour only 10 miles of developed cave passageways safely.

The park offers over 80 miles of hiking trails on the surface.

Mammoth Cave formed through 100 million years of geological action.

Karst features include sinkholes, fissures, and underground rivers here.

The Science and Learning Center supports research within the park.

Around 600,000 visitors come to Mammoth Cave National Park yearly.

Mammoth Cave National Park has over 458 kilometers of passages.