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


Cowles Bog

Cowles Bog
Cowles Bog

Located within Indiana Dunes National Lakeshore, Cowles Bog illustrates marsh and bog habitat, as well as transition to swamp. The site includes flora that are locally rare.

Location: Porter County, IN

Year designated: 1965

Acres: 23

Ownership: Federal


← Back to NNL listing for IN.

← Back to listing of all states and territories.




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