Largest lakes & reservoirs in US West Region 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 329 articles we have published for US West Region lakes.
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Below are lakes within USA > US West Region > Compared by longest shoreline length in miles. This list does not represent all lakes in US West Region, only the 329 US West Region lake articles we have published on the LakeLubbers website.
Lake name | Shoreline length in miles | Lake description |
---|---|---|
Lake Entiat, WA (North Central Washington, US West Region, USA, Washington) |
93 mi | Also known as Rocky Reach Reservoir No trip to the north central part of Washington would be complete without a visit to Lake Entiat and the Rocky Reach Dam. Lake Entiat is a 9,100 acre … |
Upper Klamath Lake, OR (Oregon, Southern Oregon, US West Region, USA) |
88 mi | Stretching for an impressive 30 miles, Upper Klamath Lake is the largest freshwater lake in the State of Oregon. Nestled in the Klamath Basin, it is s … |
Lake Cascade, ID (Idaho, Southwestern Idaho, US West Region, USA) |
86 mi | Also known as Cascade Reservoir Lake Cascade (Cascade Reservoir) is the fourth largest lake in Idaho, creating an extensive and diverse recreation site for visitors. Its nearly 30,00 … |
Lake Sacajawea, WA (South Central Washington, US West Region, USA, Washington) |
83 mi | Named after the Shoshone woman, Sacajawea, who was a member of the Lewis and Clark expedition, Lake Sacajawea is located in south-central Washington. … |
Utah Lake, UT (Mountainland Region, UT, US West Region, USA, Utah) |
80 mi | Utah Lake is located in north-central Utah’s Mountainland region with the major cities of Provo and Orem on the eastern shore. It is the largest fresh … |
Boysen Reservoir (Central Wyoming, US West Region, USA, Wyoming) |
77 mi | Also known as Boysen Lake Its gleaming expanse framed by the barren high desert hills of Central Wyoming, Boysen Reservoir offers a welcome respite from the summer heat. Nearly … |
Canyon Ferry Lake, MT (Gold West Country, MT, Montana, US West Region, USA) |
76 mi | For lake lovers who relish the beauty of nature and the wonder of wildlife, there’s no better place to relax and have fun than at Canyon Ferry Lake. A … |
Folsom Lake, CA (California, Gold Country Region, CA, US West Region, USA) |
75 mi | Folsom Lake lays magnificently nestled along the American River at the base of the Sierra foothills. It is surrounded by an abundance of striking scen … |
Lake Tahoe, CA/NV (California, High Sierra Region, CA, Nevada, Renoe-Tahoe Territory, NV, US West Region, USA) |
75 mi | Tucked into the Sierra Nevada Mountains and straddling the California-Nevada state line, Lake Tahoe is one of the most famous lakes in the United Stat … |
Rye Patch Reservoir, NV (Cowboy Country, NV, Nevada, US West Region, USA) |
72 mi | Rye Patch Reservoir is located on the Humboldt River in Pershing County, Nevada. The reservoir was completed in 1936 and provides flood control and ir … |
Hebgen Lake (Gold West Country, MT, Montana, US West Region, USA, Yellowstone Country, MT) |
70 mi | Anglers will find some of Montana’s best stillwater trout fishing at Hebgen Lake. The 12,500-acre reservoir lies conveniently just outside the western … |
Priest Lake, ID (Idaho, Northern Idaho, US West Region, USA) |
70 mi | Located in the most northern portion of Idaho’s Panhandle, Priest Lake is within 30 miles of the Canadian Border. Priest Lake was naturally created at … |