On our busiest summer days, between 5,000 and 7,000 visitors come to the park. In a year, more than 2 million visitors come to the park, with nearly 500,000 of them taking a cave tour. How long is Mammoth Cave? To date, explorers have mapped and surveyed more than 405 miles of cave passage, making Mammoth Cave by far the longest known cave system in the world. The explorers are still discovering new passages, and they often say that 'there is no end in sight.'
Mammoth Cave?|405 miles
Mammoth Cave?|405 miles