For up-to-date information on the water levels at the Green River Ferry crossing, view the Daily Forecast for the Green River ...

Explore Mammoth Cave National Park, the longest cave system on Earth, featuring the richest known habitat for cave wildlife in the world. It may be difficult to think of caves as spacious and grand, ...

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.

Mammoth Cave National Park says it will temporarily close multiple areas due to anticipated water levels in the Green River. These include the following: Friday, April 4: Green River Ferry – vehicle ...

image.caption} Efforts to mitigate air pollution in Mammoth Cave National Park involve collaboration between NPCA, our partners and state and federal agencies who can strengthen protections against ...

The “historic entrance” of Mammoth Cave National Park on Feb. 22, 2025. This is the largest natural opening into the Mammoth Cave system and was first used by prehistoric people roughly 4,000 ...

A new-to-science species of ancient shark was recently discovered in Mammoth Cave National Park in Kentucky. The small shark named Clavusodens mcginnisi, or “McGinnis’ nail tooth,” is a new ...