Ahnapee River

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Ahnapee River (Aanapii)
Ahnapee River in downtown Kewaunee near its mouth in Lake Michigan
Country United States
State Wisconsin
Region Door Peninsula
 - left Silver Creek
Source Gardner Swamp
 - coordinates 44°46′08″N 87°32′21″W / 44.76889°N 87.53917°W / 44.76889; -87.53917
Mouth Lake Michigan
 - coordinates 44°36′30″N 87°25′59″W / 44.60833°N 87.43306°W / 44.60833; -87.43306Coordinates: 44°36′30″N 87°25′59″W / 44.60833°N 87.43306°W / 44.60833; -87.43306
Length 15 mi (24 km)

The Ahnapee River is a 14.7-mile-long (23.7 km)[1] river on the Door Peninsula in eastern Wisconsin in the United States. It rises in Door County, Wisconsin, and flows through Kewaunee County into Lake Michigan at the city of Algoma. Its name has been ascribed as coming from the Ojibwe word aanapii meaning "when?"


The Ahnapee River below the dam at Forestville

The Ahnapee rises in southern Door County and flows generally southeastwardly into northeastern Kewaunee County, past the village of Forestville, where it is dammed. Downstream of Forestville the river becomes a freshwater estuary of Lake Michigan and is paralleled by a rail trail called the Ahnapee State Trail.[2] It joins Lake Michigan at the city of Algoma.

See also[edit]


  1. ^ U.S. Geological Survey. National Hydrography Dataset high-resolution flowline data. The National Map, accessed December 19, 2011
  2. ^ "Ahnapee River". Wisconsin Department of Natural Resources. Retrieved 2009-05-03. 

External links[edit]