Area 7.628 km² Established 1968 | Designated 1980 | |
 | ||
Avoca River-Bottom Prairie or Avoca Prairie and Savanna is an 1,885-acre (763 ha) prairie in Iowa County, Wisconsin just north of Avoca on the Wisconsin River. It is the largest intact prairie in Wisconsin and was designated a state natural area in 1968 and a National Natural Landmark in 1980.
References
Avoca River-Bottom Prairie Wikipedia(Text) CC BY-SA