• 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 »

Firearms at Mammoth Cave NP

New Rules Concerning Firearms in the National Parks

As of February 22, 2010, a new federal law allows people who can legally possess firearms under applicable federal, state, and local laws, to legally possess firearms in this park.

It is the responsibility of visitors to understand and comply with all applicable state, local and federal laws before entering this park. As a starting point, please visit the Kentucky State Police website at: www.kentuckystatepolice.org/conceal.htm.

Federal law also prohibits firearms in certain facilities in this park; those places are marked with signs at all public entrances.

Did You Know?

Eyeless cave fish

Creatures that spend their entire lives in Mammoth Cave adapt to the dark world. Some types of cave fish, for example, do not grow eyes – supporting these extra unnecessary organs would consume precious energy in their nutrient-poor environment.