List of National Natural Landmarks in Iowa

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There are 8 National Natural Landmarks in Iowa.

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Iowa National Natural Landmarks (clickable map)
Name Image Date Location County Ownership Description
Anderson Goose Lake 1975 42°18′56″N 93°37′26″W / 42.315556°N 93.623889°W / 42.315556; -93.623889 (Anderson Goose Lake) Iowa Private One of the few essentially natural glacial pothole lakes remaining in Iowa.
Cayler Prairie 1965 43°23′50″N 95°14′38″W / 43.397222°N 95.243889°W / 43.397222; -95.243889 (Cayler Prairie State Preserve) Dickinson State An example of the increasingly rare virgin prairie grassland.
Cold Water Cave 1987 43°26′28″N 91°57′37″W / 43.44111°N 91.96028°W / 43.44111; -91.96028 (Cold Water Spring State Preserve) Winneshiek Private An exceptional example of an extensive cave system well decorated with speleothems.
Dewey's Pasture and Smith's Slough 1975 Clay, Palo Alto State Pothole lakes created during the last glacial epoch.
Hayden Prairie State Preserve 1965 43°26′22″N 92°22′59″W / 43.4395°N 92.3831°W / 43.4395; -92.3831 (Hayden Prairie State Preserve) Howard State A true prairie remnant.
Loess Hills 1986 41°48′05″N 95°59′42″W / 41.8013°N 95.995°W / 41.8013; -95.995 (Loess Hills) Harrison, Monona State, private The best examples of loess topography in the Missouri River Bluffs region.
White Pine Hollow State Forest 1967 42°37′47″N 91°06′43″W / 42.62971°N 91.11207°W / 42.62971; -91.11207 (White Pine Hollow State Forest) Dubuque State The only known remaining white pine tract in Iowa.

See also