Buffalo Slough provides excellent examples of a prairie pothole (a product of glacial activity) with native emergent vegetation, and a native bluestem prairie. The site is used extensively by many species of waterfowl and small mammals.
Year designated: 1980
Please remember, National Natural Landmarks (NNLs) are not national parks. NNLs are owned by a variety of public and private entities and allowing visitation is at their discretion. Many NNL sites maintain public websites where additional information may be found.