Largest lakes & reservoirs in Southwest Wyoming 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 3 articles we have published for Southwest Wyoming lakes.
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Below are lakes within USA > US West Region > Wyoming > Southwest Wyoming > Compared by longest shoreline length in miles. This list does not represent all lakes in Southwest Wyoming, only the 3 Southwest Wyoming lake articles we have published on the LakeLubbers website.
Lake name  |
Shoreline length in miles |
Lake description |
|---|---|---|
| Flaming Gorge Reservoir, UT/WY (Dinosaurland Region, UT, Southwest Wyoming, US West Region, USA, Utah, Wyoming) |
208 mi | With more than 42,000 acres of boating and fishing waters, surrounded by choice camping and picnic areas, Flaming Gorge Reservoir – straddling the Wyo… |
| Palisades Reservoir, ID/WY (Eastern Idaho, Idaho, Southwest Wyoming, US West Region, USA, Wyoming) |
70 mi | Palisades Reservoir is set in southeast Idaho, east of Idaho Falls in a beautiful river valley. The southern end of the reservoir extends into Wyoming… |
| Fremont Lake (Southwest Wyoming, US West Region, USA, Wyoming) |
22 mi | Also known as The Deep, Stewart Lake (historical) One of the best-kept secret lake destinations in Northwestern Wyoming is spectacular Fremont Lake. Formed by nature when glaciers gouged out a deep tr… |