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Biggest Lakes and Reservoirs in Wisconsin

Wisconsin's biggest named fishing waters by surface acreage, from USGS records. 1,080 lakes and reservoirs carry acreage data in Wisconsin; more water usually means more patterns to unlock.

In this scope: 1,080 waters · 349,191 acres

  1. Lake WinnebagoLake · Winnebago County131,995 acres
  2. Lake ChippewaReservoir · Sawyer County14,869 acres
  3. Lake PoyganLake · Winnebago County14,257 acres
  4. Castle Rock LakeReservoir · Juneau County12,992 acres
  5. Lake MendotaLake · Dane County9,788 acres
  6. Lake Butte des MortsLake · Winnebago County8,602 acres
  7. Lake WisconsinReservoir · Columbia County7,203 acres
  8. Lake GenevaLake · Walworth County5,417 acres
  9. Lac Courte OreillesLake · Sawyer County5,143 acres
  10. Lake WinneconneLake · Winnebago County4,530 acres
  11. Tomahawk LakeLake · Oneida County3,578 acres
  12. Fence LakeLake · Vilas County3,485 acres
  13. Lake MononaLake · Dane County3,360 acres
  14. Round LakeLake · Sawyer County3,326 acres
  15. Lake KegonsaLake · Dane County3,203 acres
  16. Grindstone LakeLake · Sawyer County3,178 acres
  17. Rush LakeLake · Winnebago County2,730 acres
  18. Nelson LakeReservoir · Sawyer County2,717 acres
  19. Pewaukee Lake 27.6Reservoir · Waukesha County2,438 acres
  20. Lost Land LakeLake · Sawyer County2,344 acres
  21. Lake WaubesaLake · Dane County2,300 acres
  22. Saint Croix FlowageReservoir · Douglas County2,248 acres
  23. Muskego LakeReservoir · Waukesha County2,195 acres
  24. Delavan LakeLake · Walworth County1,907 acres
  25. Moose Lake 190Reservoir · Sawyer County1,560 acres

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