For the more information about the air resources of the National Park Service, please visit http://www.nature.nps.gov/air/.
Cedar Creek Natural History Area-Allison Savanna
Cedar Creek Natural History Area-Allison Savanna is a relatively undisturbed area where three biomes meet (tall grass prairie, eastern deciduous forest and boreal coniferous forest.) Supporting 61 species of mammals and 183 species of birds, the site is a nationally and internationally famous research center.
Year designated: 1975
Ownership: State, Private
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