For the more information about the air resources of the National Park Service, please visit http://www.nature.nps.gov/air/.
Avoca River-Bottom Prairie
Avoca River-Bottom Prairie is the largest intact prairie in Wisconsin. The site contains a nearly full complement of plant species.
Location: Iowa County, WI
Year designated: 1980
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