Chiwaukee Prairie is a 485-acre (1.96 km2) prairie in Pleasant Prairie, Wisconsin managed by the Wisconsin Department of Natural Resources. It is located on Lake Michigan at the Illinois state line and includes grassy wetlands, wooded areas, and the Kenosha Sand Dunes at its northern tip. It is home to an abundance of wildlife. It was designated a Wisconsin State Natural Area in 1967 and a National Natural Landmark in 1973.