Largest lakes & reservoirs in Colorado 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 49 articles we have published for Colorado lakes.
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Below are lakes within USA > US West Region > Colorado > Compared by longest shoreline length in miles. This list does not represent all lakes in Colorado, only the 49 Colorado lake articles we have published on the LakeLubbers website.
Lake name | Shoreline length in miles | Lake description |
---|---|---|
Twin Lakes, CO (Colorado, South Central Colorado, US West Region, USA) |
14 mi | Also known as Twin Lakes Reservoir In the mid 1800’s gold was discovered in Lake County Colorado, and everything changed. Settlers moved west seeking their fortunes and discovered not o … |
Vallecito Lake, CO (Colorado, Southeast Colorado, US West Region, USA) |
12 mi | Also known as Vallecito Reservoir The quest for a reliable source of irrigation water in Colorado’s dry Southwest Region brought Vallecito Lake into being. Twenty-two miles north of Du … |
Turquoise Lake (Colorado, Northwest Colorado, US West Region, USA) |
11 mi | Also known as Turquoise Reservoir One of Colorado’s favorite high-altitude recreational destinations is Turquoise Lake. Located five miles west of vacation playground Leadville, 1,780- … |
Trinidad Lake, CO (Colorado, Southeast Colorado, US West Region, USA) |
11 mi | Also known as Trinidad Reservoir Seated at the foothills of the Rocky Mountains in southeastern Colorado, Trinidad Lake is a great place to fish, boat, sail, and enjoy the outdoors. W … |
Electra Lake, CO (Colorado, Southwest Colorado, US West Region, USA) |
10 mi | Also known as Cascade Reservoir The majestic peaks of the San Juan Mountains stand guard over the breathtaking beauty of southwestern Colorado’s Electra Lake. Found 25 miles north of … |
Boyd Lake, CO (Colorado, Front Range Region, CO, US West Region, USA) |
10 mi | Boyd Lake is a modern recreational playground covering over 1,700 acres in Larimer County. Located in the northeastern section of the City of Loveland … |
Cherry Creek Reservoir, CO (Colorado, Denver Area, CO, US West Region, USA) |
8 mi | Also known as Cherry Creek Lake Affectionately called “Denver’s Backyard,” Cherry Creek Lake and State Park provide recreation opportunities for families from all over. Located in Au … |
Carter Lake CO (Colorado, Front Range Region, CO, US West Region, USA) |
8 mi | Also known as Carter Lake Reservoir, Carter Reservoir Carter Lake is a major source of fun for residents and visitors to the Loveland area of Colorado’s Front Range. The reservoir is one of two main stora … |
Shadow Mountain Lake, CO (Colorado, Front Range Region, CO, US West Region, USA) |
8 mi | Set against the backdrop of the majestic Rocky Mountains in Colorado’s Front Range region, Shadow Mountain Lake is a picture-postcard Colorado getaway … |
Aurora Reservoir, CO (Colorado, Denver Area, CO, US West Region, USA) |
8 mi | If you’re looking for a peaceful, activity-oriented Colorado vacation in the Denver Region, you can’t go wrong with Aurora Reservoir. This 820-acre ci … |
Standley Lake, CO (Colorado, Front Range Region, CO, US West Region, USA) |
7 mi | A welcoming oasis on Colorado’s dry Front Range region, Standley Lake draws residents and visitors alike to its shores. Unsung sentinel to the north D … |
Willow Creek Reservoir (Colorado, Northwest Colorado, US West Region, USA) |
6 mi | A vital link in the chain of water projects that irrigate Colorado’s Eastern Slope, Willow Creek Reservoir is less-known and less crowded than many ne … |