List of National Natural Landmarks in Iowa

	Name	Date	County	Ownership	Description
1	Anderson Goose Lake	000000001975-01-01-00001975	Iowa	Private	One of the few essentially natural glacial pothole lakes remaining in Iowa.
2	Cayler Prairie	000000001965-01-01-00001965	Dickinson	State	An example of the increasingly rare virgin prairie grassland.
3	Cold Water Cave	000000001987-01-01-00001987	Winneshiek	Private	An exceptional example of an extensive cave system well decorated with speleothems.
4	Dewey's Pasture and Smith's Slough	000000001975-01-01-00001975	Clay, Palo Alto	State	Pothole lakes created during the last glacial epoch.
5	Hayden Prairie State Preserve	000000001965-01-01-00001965	Howard	State	A true prairie remnant.
6	Loess Hills	000000001986-01-01-00001986	Harrison, Monona	State, private	The best examples of loess topography in the Missouri River Bluffs region.
7	White Pine Hollow State Forest	000000001967-01-01-00001967	Dubuque	State	The only known remaining white pine tract in Iowa.

National Natural Landmarks in the United States

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