• The Historic Entrance of Mammoth Cave

    Mammoth Cave

    National Park Kentucky

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  • Alert - Mammoth Cave is in an area highly endemic to histoplasmosis

    Histoplasmosis is a serious infection caused by breathing in spores of a fungus often found in bird and bat droppings. Infants and immunocompromised persons are especially vulnerable. Click the link for more information. More »

Springs and Seeps

Nature and Science

Blue Spring

Emerging Springs
The groundwater that flows underground from the sinkhole plain south of the park into the Green River finds its outlet through innumerable springs. Among the most notable springs in the park are River Styx Spring, Echo River Spring, and Turnhole Spring.

Did You Know?

Did You Know? - Mammoth Cave National Park has more than 70 miles of backcountry trails.

Mammoth Cave National Park contains more than 70 miles of backcountry trails through forested Kentucky hills for hikers, horseback riders, and bicyclists. Several frontcountry trails lead to special places like Cedar Sink, Sand Cave, and Turnhole Bend.