National Natural Landmarks by state

Tennessee

Big Bone Cave, a National Natural Landmark in Tennessee.

There are 13 National Natural Landmark sites located within the state of Tennessee. Natural features represented include one of the longest caves in the country, the largest known underground lake in the country, and one of the best remaining examples of a cedar glade community. All 13 sites received NNL designation in a nine-year perioid from 1966 to 1974. Sites range in size from 9 acres to over 1,100 acres and are owned by a variety of landowners including U.S. Fish and Wildlife Service, U.S. Air Force, Tennessee Department of Environment and Conservation and private individuals.

Below is a map of sites in Tennessee.

National Natural Landmark sites are located in the following counties: Coffee, Cumberland, Franklin, Grundy, Hardeman, Lake, Monroe, Obion, Rhea, Van Buren, Warren, and Wilson.

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To learn more about National Natural Landmarks in Tennessee, select a site from the list or the map below:

Arnold Engineering Development Center Natural Areas Big Bone Cave Cedar Glades Natural Area Conley Hole Cumberland Cavern (Higginbotham and Henshaw Caves) Dick Cove Grassy Cove Karst Area Lost Sea (Craighead Caverns) May Prairie McAnulty's Woods Piney Falls Reelfoot Lake Savage Gulf

Please remember, National Natural Landmarks (NNLs) are not national parks. NNL status does not indicate public ownership, and many sites are not open for visitation.