Mammoth Cave National Park


World Heritage Identification Number: 150

World Heritage since: 1981

Category: Natural Heritage

Transboundary Heritage: No

Endangered Heritage: No

Country: 🇺🇸 United States of America

Continent: Americas

UNESCO World Region: Europe and North America

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Mammoth Cave National Park: A Unique Subterranean Wonder in Kentucky

Mammoth Cave National Park, situated in the heart of Kentucky, stands as a testament to nature's grandeur and the intricate beauty hidden beneath our feet. Inscribed as a UNESCO World Heritage Site in 1981, this subterranean wonder boasts the world's largest network of natural caves and underground passageways, offering a captivating exploration into the depths of limestone formations.

More to come…

UNESCO Description of the World Heritage Site

Mammoth Cave National Park, located in the state of Kentucky, has the world's largest network of natural caves and underground passageways, which are characteristic examples of limestone formations. The park and its underground network of more than 560 surveyed km of passageways are home to a varied flora and fauna, including a number of endangered species.

Encyclopedia Record: Mammoth Cave National Park

Mammoth Cave National Park is a national park of the United States in south-central Kentucky. It encompasses portions of Mammoth Cave, the longest known cave system in the world. The park's 52,007 acres (21,046 ha) are located primarily in Edmonson County, with small areas extending eastward into Hart and Barren counties. The Green River runs through the park, with a tributary called the Nolin River feeding into the Green just inside the park.

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Additional Site Details

Area: 21,191 hectares

UNESCO Criteria: (vii) — Contains superlative natural phenomena or beauty
(viii) — Outstanding example representing major earth stages
(x) — Contains most important habitats for biodiversity

Coordinates: 37.18722222 , -86.10305556

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Image of Mammoth Cave National Park

Willis Thomas Lee, Public domain

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Country Information: United States of America

Flag of United States of America

Official Name: United States of America

Capital: Washington, D.C.

Continent: Americas

Population (2024): 340,110,988

Population (2023): 336,806,231

Population (2022): 334,017,321

Land Area: 9,147,420 sq km

Currency: United States dollar (USD)

Country Data Sources

Last updated: January 18, 2026

Portions of the page Mammoth Cave National Park are based on data from UNESCO — World Heritage List Dataset and on text from the Wikipedia article Mammoth Cave National Park, licensed under CC BY-SA 4.0. Changes made. Additional original content by World Heritage Explorer (WHE), licensed under CC BY-SA 4.0. WHE is not affiliated with UNESCO or the World Heritage Committee. Legal Notice. Privacy Policy.

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