Under a swath of Kentucky hills and hollows is a limestone labyrinth that became the heartland of a national park. The surface of Mammoth Cave National Park encompasses about 80 square miles.

Forecast issued at 4:25 pm EST on Wednesday 30 April 2025. Cloudy. Areas of frost and the chance of fog in the morning. Slight chance of a shower. Light winds becoming northwest to southwesterly 15 to ...