Largest lakes & reservoirs in Northwest 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 12 articles we have published for Northwest Colorado lakes.
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Below are lakes within USA > US West Region > Colorado > Northwest Colorado > Compared by longest shoreline length in miles. This list does not represent all lakes in Northwest Colorado, only the 12 Northwest Colorado lake articles we have published on the LakeLubbers website.
Lake name  |
Shoreline length in miles |
Lake description |
|---|---|---|
| Lake Dillon, CO (Colorado, Northwest Colorado, US West Region, USA) |
27 mi | Also known as Dillon Reservoir Nestled in the middle of some of Summit County’s best skiing, Lake Dillon is the perfect year round getaway. With its rich history, fantastic sport fi… |
| Green Mountain Reservoir (Colorado, Northwest Colorado, US West Region, USA) |
19 mi | Thousands of tourists and recreational guests come to the Colorado Rockies each year, never knowing that Green Mountain Reservoir is only a short dist… |
| Wolford Mountain Reservoir (Colorado, Northwest Colorado, US West Region, USA) |
15 mi | Also known as Wolford Mountain Lake As one of Colorado’s newest lakes, Wolford Mountain Reservoir is getting a lot of well-deserved attention. The reservoir was created in 1996 when Rits… |
| 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-… |
| 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… |
| Pearl Lake, CO (Colorado, Northwest Colorado, US West Region, USA) |
3 mi | Also known as Lester Creek Reservoir Capturing a scene from America’s West, Pearl Lake reflects pine-covered hills, rocky peaks and expansive blue skies typical of northwestern Colorado.… |
| Monarch Lake (Colorado, Northwest Colorado, US West Region, USA) |
3 mi | Also known as Monarch Reservoir One of the prettiest hikes on Colorado’s west slope is the trail around Monarch Lake. The small reservoir is one of the few in the area not directly a… |
| Meadow Creek Reservoir (Colorado, Northwest Colorado, US West Region, USA) |
2 mi | Also known as Meadow Creek Lake Meadow Creek Reservoir is a little Colorado lake with a well-deserved reputation as a desirable destination. Only 50 acres in size, the small reservoi… |
| Lake Agnes, CO (Colorado, Northwest Colorado, US West Region, USA) |
2 mi | Set in the mountains of north central Colorado, Lake Agnes is an exclusive private lake surrounded by the aspen, alder and pines of the Routt and Arap… |
| Nottingham Lake, CO (Colorado, Northwest Colorado, US West Region, USA) |
1 mi | Also known as Benchmark Lake, Benchmark Lake Reservoir Nottingham Lake sits at the heart of Avon, Colorado. A source of water, recreation and pride, Nottingham Lake is surrounded by the beauty of west cent… |