Largest lakes & reservoirs in Colorado by acres
There is no widely-accepted minimum surface area that defines a lake. What LakeLubbers describes as a lake, you might call a pond. Acreage of a lake (or sometimes square kilometers) is most often measured at the top surface area when the lake is at normal elevation. The surface area can be considerably smaller or larger when lake levels are lower or higher than normal. North America’s Lake Superior is the world’s largest freshwater lake by this measure.The other measure of a lake’s size is the lake’s water volume. By that measure, the world’s largest freshwater lake is Lake Baikal in Siberia.
You can find many of the world’s largest lakes (acres) on LakeLubbers in the comparison table below. Note: For some lakes, "Largest Lakes - Acres" data is unknown or does not apply, so you may see 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 surface area in acres. This list does not represent all lakes in Colorado, only the 49 Colorado lake articles we have published on the LakeLubbers website.
Lake name  |
Surface area in acres |
Lake description |
|---|---|---|
| Navajo Lake NM (Colorado, New Mexico, Northwest New Mexico, NM, Southeast Colorado, US Southwest Region, US West Region, USA) |
15,610 ac | 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 … |
| John Martin Reservoir, CO (Colorado, Southeast Colorado, US West Region, USA) |
9,503 ac | 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 … |
| Blue Mesa Reservoir, CO (Colorado, Southwest Colorado, US West Region, USA) |
9,178 ac | Also known as Blue Mesa Lake Beautiful mesas, deep canyons, and steep rocky cliffs surround Blue Mesa Reservoir, the second largest lake entirely in Colorado. The clear, blue, mou … |
| Lake Granby, CO (Colorado, Front Range Region, CO, US West Region, USA) |
7,256 ac | Also known as Granby Lake Nestled in the shadows of the majestic Rocky Mountains near the headwaters of the Colorado River, Lake Granby is a great place for a mountain getaway. … |
| Lake Meredith, CO (Colorado, Southeast Colorado, US West Region, USA) |
5,509 ac | Water sports reign supreme on Lake Meredith, which covers more than 5,500 acres in Southeastern Colorado’s Crowley County. Boating, jet skiing, fishin … |
| Adobe Creek Reservoir, CO (Colorado, Southeast Colorado, US West Region, USA) |
5,029 ac | 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 … |
| Lake Pueblo, CO (Colorado, Southeast Colorado, US West Region, USA) |
4,500 ac | 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 … |
| McPhee Reservoir, CO (Colorado, Southwest Colorado, US West Region, USA) |
4,470 ac | In 1776 Spanish priests traveling through the Dolores Valley imagined a project that would bring water to the thirsty crops of the Montezuma Valley. B … |
| Neenoshe Reservoir, CO (Colorado, Southeast Colorado, US West Region, USA) |
3,770 ac | Also known as Nee Noshe Reservoir Everyone knows the song about “a home where the deer and the antelope play.” For the people who live around the Great Plains Reservoirs, that home is … |
| Neesopah Reservoir, CO (Colorado, Southeast Colorado, US West Region, USA) |
3,600 ac | Also known as Nee Sopah Reservoir Its acres and acres of grasses and grains and endless uninterrupted views have inspired legends and songs about the Great Plains. Tucked away in the s … |
| Neegronda Reservoir, CO (Colorado, Southeast Colorado, US West Region, USA) |
3,490 ac | Also known as Nee Gronda Reservoir Flocks of snow geese skim golden short grass prairie to land on the precious water of Neegronda Reservoir. Dotted with cottonwood trees around its sho … |
| Lake Dillon, CO (Colorado, Northwest Colorado, US West Region, USA) |
3,233 ac | 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 … |