For the more information about the air resources of the National Park Service, please visit http://www.nature.nps.gov/air/.


Dunes Nature Preserve

Dunes Nature Preserve
Dunes Nature Preserve

The Dunes Nature Preserve, located within Indiana Dunes State Park, is the best remaining example of undeveloped and relatively unspoiled dune landscape along the southern shore of Lake Michigan, a portion of which is known as the "Birthplace of American Ecology." The site also contains the Ancient Pines Nature Area, a prehistoric forest now exposed by dune blowouts.

Location: Porter County, IN

Year designated: 1974

Acres: 1,666

Ownership: State


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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.

Last Updated: June 28, 2012