List of National Natural Landmarks in Tennessee

From List of National Natural Landmarks, these are the National Natural Landmarks in Tennessee. There are 13 in total, X are lakes or pond, Y are forests, Z are other.

Name Image Date Location County Description
1 Arnold Engineering Development Center Natural Areas 01974 1974 Coffee Contains an extremely rare virgin swamp forest and a pristine example of an open marsh.
2 Big Bone Cave 01973 1973 Van Buren Cave where giant ground sloth bones were discovered.
3 Cumberland Cavern 01973 1973 Warren Two interconnecting caves at least 27 miles (43 km) in extent.
4 Cedar Glades 01973 1973 Wilson The largest and best remaining example of the cedar glade community.
5 Conley Hole 01973 1973 Grundy One of the most spectacular and outstanding examples of a pit cave in the United States.
6 Dick Cove 01973 1973 Franklin A near virgin forest
7 Grassy Cove Karst Area 01973 1973 Cumberland One of the nation's best illustrations of karst development and underground drainage
8 The Lost Sea 01974 1974 Monroe Cavern system that includes the largest known underground lake in the country.
9 May Prairie 01974 1974 Coffee Largest and best relict prairie remaining in Tennessee.
10 McAnulty's Woods 01973 1973 Hardeman Only known example in western Tennessee of the upland forests of the Mississippi Embayment
11 Piney Falls 01974 1974 Rhea Contains a rare virgin mixed mesophytic forest stand.
12 Reelfoot Lake 01966 1966 Lake, Obion Mosaic of habitats formed as a result of the New Madrid earthquake,
13 Savage Gulf 01971 1971 Grundy A virgin forest.