Largest lakes & reservoirs in Indiana 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 38 articles we have published for Indiana lakes.
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Below are lakes within USA > US Midwest Region > Indiana > Compared by longest shoreline length in miles. This list does not represent all lakes in Indiana, only the 38 Indiana 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 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… |
| Monroe Lake, IN (Indiana, South Central Indiana, US Midwest Region, USA) |
190 mi | Also known as Monroe Reservoir, Lake Monroe The largest lake in Indiana, Monroe Lake is also one of the state’s most scenic. Set among the rolling wooded hills, limestone bluffs overlook the 10,… |
| Patoka Lake, IN (Indiana, South Indiana, US Midwest Region, USA) |
161 mi | Patoka Lake lies nestled within the Hoosier National Forest in southern Indiana. Authorized by the Flood Control Act of 1965, the U.S. Army Corps of E… |
| Brookville Lake, IN (Indiana, South Central Indiana, US Midwest Region, USA) |
61 mi | Also known as Brookville Reservoir Nestled in the heart of the Whitewater River Valley, Brookville Lake is a gorgeous body of water providing water storage and many fine recreational ac… |
| Mississinewa Lake, IN (East Indiana, Indiana, US Midwest Region, USA) |
59 mi | Also known as Mississinewa Reservoir Visitors to north central Indiana will find myriad recreational activities, surrounded by unspoiled, scenic beauty at Mississinewa Lake. This 3,180-ac… |
| Lake Shafer, IN (Indiana, US Midwest Region, USA, West Indiana) |
50 mi | Lake Shafer is the summer destination of many Indiana families. Located just outside of Monticello, Indiana, Lake Shafer is one of two man-made lakes… |
| Lake Freeman, IN (Indiana, US Midwest Region, USA, West Indiana) |
50 mi | Nestled in the northern Indiana, Lake Freeman is one of two man-made lakes located just outside of Monticello. With the creation of the Lake Freeman a… |
| Salamonie Lake, IN (East Indiana, Indiana, US Midwest Region, USA) |
47 mi | Also known as Salamonie Reservoir Salamonie Lake is a large, unspoiled reservoir spanning the border of both Huntington and Wabash Counties in north central Indiana. The lake is part o… |
| Cagles Mill Lake, IN (Indiana, US Midwest Region, USA, West Indiana) |
37 mi | Also known as Cagles Mill Reservoir, Cataract Lake Cagles Mill Lake, also known as Cagles Mill Reservoir and Cataract Lake, is located half in Lieber State Recreation Area and half in Cataract Falls St… |
| Geist Reservoir, IN (Central Indiana, Indiana, US Midwest Region, USA) |
35 mi | Also known as Geist Lake Originally built in 1944 as a water supply reservoir for Indianapolis, Geist Reservoir has become a much desired place to live. The City of Indianapol… |
| Cecil M. Harden Lake, IN (Indiana, US Midwest Region, USA, West Indiana) |
35 mi | Also known as Raccoon Lake Located in west central Indiana, the Cecil M. Harden Lake is a naturalist’s delight and lies largely in Parke County and extends into Putnam County. R… |