There are 7 National Natural Landmarks in Kentucky. One is shared with Indiana.
Name Image Date Location County Ownership Description Creelsboro Natural Bridge Russell Private An outstanding illustration of subterranean stream diversion. Henderson Sloughs Henderson, Union State (Dept. of Fish & Wildlife) One of the largest wetlands remaining in Kentucky Lilley Cornett Woods Letcher State (Eastern Kentucky University) Virgin tract of mixed mesophytic forest. Red River Gorge Menifee, Powell, Wolfe Federal (Daniel Boone National Forest) Contains examples of many geological formations, including 41 natural bridges. Rock Creek Research Natural Area Laurel Federal (Daniel Boone National Forest) One of the few virgin hemlock hardwood forests remaining in Kentucky. Big Bone Lick Boone State (Big Bone Lick State Park) Combination of salt springs and associated Late Pleistocene bone beds. Also on the mighty Ohio River. Ohio Coral Reef Jefferson Federal (Falls of the Ohio National Wildlife Conservation Area) A classic example of a Silurian and Devonian coral community. Extends into Indiana.
See also
List of National Historic Landmarks in Kentucky