Largest lakes & reservoirs in Wisconsin by shoreline length
The length of the exterior shoreline around a lake is measured at the lake’s normal elevation. The shoreline length can be considerably shorter or longer when lake water levels are lower or higher than normal. A lake with many coves has a much longer shoreline than a lake of similar surface area that is nearly circular in shape.When known, the shoreline miles that we report in our statistics include only the lake’s exterior shoreline, and exclude the shorelines of islands located within a lake’s boundaries. In lakes with many islands, those islands’ combined shorelines may exceed a lake’s exterior shoreline.
You can find many of the world’s longest-shoreline lakes on LakeLubbers. Note: For some lakes, "Longest Shorelines" data is unknown or does not apply, so this table may display fewer lakes than the total 128 articles we have published for Wisconsin lakes.
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Below are lakes within USA > US Midwest Region > Wisconsin > Compared by longest shoreline length in miles. This list does not represent all lakes in Wisconsin, only the 128 Wisconsin lake articles we have published on the LakeLubbers website.
Lake name  |
Shoreline length in miles |
Lake description |
|---|---|---|
| Lake Michigan-Huron (Canada, Chicagoland Region, IL, Great Lakes of North America, Illinois, Indiana, Lake Michigan Region, WI, Michigan, North Indiana, Northeast Michigan, Northwest Michigan, Ontario, Canada, Southwest Michigan, US Midwest Region, USA, Upper Peninsula Region, MI, West Central Michigan, Wisconsin) |
5,463 mi | Lake Michigan and Lake Huron – two of North America’s Great Lakes – are contiguous and they share the same elevation of 577 feet above sea level. They… |
| Lake Superior (Canada, Great Lakes of North America, Lake Superior Northwoods Region, WI, Michigan, Minnesota, Northeast Minnesota, Ontario, Canada, US Midwest Region, USA, Upper Peninsula Region, MI, Wisconsin) |
2,726 mi | Skipping over state and country borders, Lake Superior, the largest, deepest, coldest, cleanest, least developed, and most pristine of the Great Lakes… |
| Lake Michigan (Chicagoland Region, IL, Great Lakes of North America, Illinois, Indiana, Lake Michigan Region, WI, Michigan, North Indiana, Northwest Michigan, Southwest Michigan, US Midwest Region, USA, Upper Peninsula Region, MI, West Central Michigan, Wisconsin) |
1,638 mi | As the only Great Lake nestled completely within the boundaries of the United States, Lake Michigan is the pride and joy of Wisconsin, Illinois, India… |
| Lake Chippewa, WI (Lake Superior Northwoods Region, WI, US Midwest Region, USA, Wisconsin) |
233 mi | Also known as Chippewa Flowage, Hayward Lakes Tucked away in Sawyer County in northwest Wisconsin, Lake Chippewa is a rare undeveloped paradise. Called the “Big Chip,” Lake Chippewa is one of Wisc… |
| Turtle-Flambeau Flowage, WI (Lake Superior Northwoods Region, WI, US Midwest Region, USA, Wisconsin) |
229 mi | Called the “Crown Jewel of Wisconsin,” Turtle-Flambeau Flowage is a beautiful undeveloped getaway. Its quiet water, plentiful fish and wildlife and pr… |
| Eagle River Chain of Lakes, WI (Lake Superior Northwoods Region, WI, US Midwest Region, USA, Wisconsin) |
174 mi | Also known as Cranberry Lake, Catfish Lake, Voyageur Lake, Eagle Lake, Scattering Rice Lake, Otter Lake, Lynx Lake, Duck Lake, Yellow Birch Lake, Watersmeet Lake. The Eagle River Chain of Lakes in far northeastern Wisconsin is known to fishermen as prime Musky water, but the lakes are also a prime vacation desti… |
| Long Lake, WI (Lake Superior Northwoods Region, WI, US Midwest Region, USA, Wisconsin) |
99 mi | There are 59 lakes in Wisconsin named Long Lake, but only one has the state designation of “Walleye Capital of Wisconsin.” Long Lake near Sarona in so… |
| Lake Pepin, MN/WI (Minnesota, Mississippi-Chippewa Rivers Region, WI, Southern Minnesota, US Midwest Region, USA, Wisconsin) |
85 mi | Lake Pepin is the largest lake on the Mississippi River, formed about 9,500 years ago by the backup of water behind sediments where the Chippewa River… |
| Lake Winnebago, WI (Central Sands Prairie Region, WI, US Midwest Region, USA, Wisconsin) |
85 mi | American white pelicans skim across the surface of Lake Winnebago, fishing alongside the anglers below. Birds and fishermen alike flock to the beautif… |
| Castle Rock Lake, WI (Central Sands Prairie Region, WI, US Midwest Region, USA, Wisconsin) |
73 mi | Also known as Castle Rock Flowage Castle Rock Lake offers what lake lovers want: a lot of water, an abundance of fish, and countless beautiful views. Castle Rock one of Wisconsin’s lar… |
| Chetek Chain of Lakes, WI (Lake Superior Northwoods Region, WI, US Midwest Region, USA, Wisconsin) |
61 mi | Also known as Six Lakes Tucked in the midst of the Wisconsin’s Lake Superior Northwoods Region lies the Chetek Chain of Lakes, also known as Six Lakes. Centuries ago, inhabit… |
| Manitowish Chain of Lakes (Lake Superior Northwoods Region, WI, US Midwest Region, USA, Wisconsin) |
59 mi | Also known as Manitowish Chain O Lakes, Manitowish Chain, Manitowish Lakes Located in the heart of scenic Vilas County, the Manitowish Chain of Lakes is truly a northern Wisconsin vacation paradise. The chain consists of ten… |