Largest lakes & reservoirs in Southeast 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 11 articles we have published for Southeast Colorado lakes.
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Below are lakes within USA > US West Region > Colorado > Southeast Colorado > Compared by longest shoreline length in miles. This list does not represent all lakes in Southeast Colorado, only the 11 Southeast Colorado lake articles we have published on the LakeLubbers website.
Lake name  |
Shoreline length in miles |
Lake description |
|---|---|---|
| Navajo Lake NM (Colorado, New Mexico, Northwest New Mexico, NM, Southeast Colorado, US Southwest Region, US West Region, USA) |
159 mi | Also known as Navajo Reservoir Navajo Lake offers a surprising and welcome expanse of water in northwestern New Mexico. The 15,600-acre reservoir stretches north into southwest Colo… |
| Lake Pueblo, CO (Colorado, Southeast Colorado, US West Region, USA) |
60 mi | Lake Pueblo is located west of Pueblo, Colorado and was formed when the Arkansas River was dammed as a part of the Fryingpan/Arkansas project of the B… |
| John Martin Reservoir, CO (Colorado, Southeast Colorado, US West Region, USA) |
22 mi | Standing among the large boulders on the gravel shore watching bald eagles soar over the water, it’s easy to believe that John Martin Reservoir is an… |
| Adobe Creek Reservoir, CO (Colorado, Southeast Colorado, US West Region, USA) |
15 mi | Also known as Blue Lake For the true, unhurried western vacation in Southeastern Colorado, make the trip to Adobe Creek Reservoir. The reservoir, also known as Blue Lake pres… |
| 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… |
| 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… |