388x257 pixels Canoeists enjoy more than 27 miles of the Green and Nolin Rivers in the park. 404x274 pixels The park exchanges its coat of green for a more varied cloak in the autumn. 388x257 pixels Fall colors draw many visitors to central Kentucky. Park ranger Kerry Wood portrays one of the black guides of 19th Century Mammoth Cave. 382x257 pixels The Historic, or Natural, Entrance is perhaps the best known sight in the park.
Limestone is the most common rock in the park, and the foundation of the caves.
In April, volunteer naturalists guide wldflower walks for the park's Springfest event.