Largest lakes & reservoirs in 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 2151 articles we have published for lakes.
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Below are lakes within Compared by longest shoreline length in miles. This list does not represent all lakes in , only the 2151 lake articles we have published on the LakeLubbers website.
Lake name  |
Shoreline length in miles |
Lake description |
|---|---|---|
| Crater Lake, OR (Oregon, Southern Oregon, US West Region, USA) |
26 mi | Crater Lake is on the crest of the Cascade Range in southern Oregon, about 100 miles from the ocean, and is the centerpiece of Crater Lake National Pa … |
| Kennisis Lake (Canada, Ontario, Canada) |
26 mi | A true jewel in the crown of Ontario’s Cottage Country, 3500-acre Kennisis Lake has been the prefect vacation getaway for generations of Canadian cott … |
| Cedar Lake MN (Central Minnesota, Minnesota, US Midwest Region, USA) |
26 mi | Visitors never tire of exploring Cedar Lake, Minnesota with its many twists, turns, bays, and coves. Cedar Lake is a spring- and small stream-fed lake … |
| White Iron Lake (Minnesota, Northeast Minnesota, US Midwest Region, USA) |
26 mi | White Iron Lake is part of a chain of lakes in St. Louis County, Minnesota that also includes Garden Lake, Farm Lake, and South Farm Lake. Part of the … |
| Shubenacadie Grand Lake (Canada, Nova Scotia, Canada) |
26 mi | Also known as Grand Lake Located just outside the Halifax Regional Municipality (HRM) in Nova Scotia, Grand Lake is one of the most popular area lakes for water sports. The la … |
| Lake Malone, KY (Bluegrass, Blues & Barbecue Region, KY, Kentucky, US South Region, USA) |
26 mi | Lake Malone is situated in the heart of the Kentucky wilderness, part of the “Bluegrass, Blues and Barbecue” tourism region. Shaped like a large sidew … |
| Diamond Valley Lake, CA (California, Inland Empire Region, CA, US West Region, USA) |
26 mi | Also known as Diamond Valley Reservoir Diamond Valley Lake lies between two mountains in California’s Inland Empire tourism region. The 4,500-acre lake is Southern California’s newest and l … |
| Lake Glenville, NC (Mountains Region, NC, North Carolina, US South Region, USA) |
26 mi | Also known as Thorpe Reservoir, Glenville Lake Nestled among the forests and mountain peaks of southwestern North Carolina lies the highest lake east of the Mississippi, Lake Glenville (aka Thorpe … |
| Fort Supply Lake, OK (Oklahoma, Red Carpet Country, OK, US Southwest Region, USA) |
26 mi | With 1,800 acres of clear water, Fort Supply Lake in Woodward County, Oklahoma is an outdoor enthusiast’s ideal recreational area. The lake is located … |
| Round Lake, WI (Lake Superior Northwoods Region, WI, US Midwest Region, USA, Wisconsin) |
26 mi | Also known as Hayward Lakes Nestled in Wisconsin’s Northwoods, Round Lake in Sawyer County is a fantastic place to boat and fish. Part of the Hayward Lakes that include Grindston … |
| Big Lake, AK (Alaska, Southcentral Region, AK, US West Region, USA) |
26 mi | There are over 3,000 lakes in the Mat-Su Valley, and Big Lake is one of the largest. The Mat-Su Borough, which is short for Matanuska-Susitna, is 24,0 … |
| Arcadia Lake, OK (Frontier Country, OK, Oklahoma, US Southwest Region, USA) |
26 mi | Arcadia Lake is one of the Southwest’s newest lakes. In the Frontier Country Region of central Oklahoma, forest meets grassland to create a unique are … |