Big Lake Iowa

Big Lake is an open body of water surrounded by marshy islands in Navigation Pool 9 of the Upper Mississippi River. It lies where the Iowa, Minnesota and Wisconsin borders come together, just north of Lansing, Iowa. It is part of the Upper Mississippi River National Wildlife and Fish Refuge.
  • Location: Allamakee County, Iowa
  • Primary inflows: Upper Mississippi River
  • Primary outflows: Upper Mississippi River
  • Basin countries: United States
  • Surface elevation: 620 ft (189 m)
  • Type: Reservoir
Data from: en.wikipedia.org