Largest lakes & reservoirs in North Central Washington 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 15 articles we have published for North Central Washington lakes.
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Below are lakes within USA > US West Region > Washington > North Central Washington > Compared by surface area in acres. This list does not represent all lakes in North Central Washington, only the 15 North Central Washington lake articles we have published on the LakeLubbers website.
Lake name  |
Surface area in acres |
Lake description |
|---|---|---|
| Lake Chelan, WA (North Central Washington, US West Region, USA, Washington) |
33,335 ac | From the Salish Indian word for “deep notch”, Lake Chelan is the third deepest lake in the United States with a maximum depth of almost 1500 feet. Lak… |
| Potholes Reservoir, WA (North Central Washington, US West Region, USA, Washington) |
27,800 ac | Potholes Reservoir was formed by the building of the O’Sullivan Dam which is one of the largest earthfill dams in the United States. The name “pothole… |
| Banks Lake, WA (North Central Washington, US West Region, USA, Washington) |
27,000 ac | Banks Lake is a 27 mile equalizing reservoir and part of the Columbia Basin Project, a major water resource project to provide irrigation water to fer… |
| Ross Lake (British Columbia, Canada, Canada, North Central Washington, US West Region, USA, Washington) |
11,680 ac | Also known as Ross Reservoir Spectacular Ross Lake is one of the seldom seen gems in north-central Washington. This fantastic 22-mile long reservoir covers 11,680 acres along the… |
| Lake Entiat, WA (North Central Washington, US West Region, USA, Washington) |
9,100 ac | Also known as Rocky Reach Reservoir No trip to the north central part of Washington would be complete without a visit to Lake Entiat and the Rocky Reach Dam. Lake Entiat is a 9,100 acre… |
| Moses Lake, WA (North Central Washington, US West Region, USA, Washington) |
6,800 ac | Located where Washington State’s Pacific coast transforms into the arid desert of the eastern half, Moses Lake has over 6,800 acres of surface area en… |
| Kachess Lake, WA (North Central Washington, US West Region, USA, Washington) |
6,535 ac | “Kachess” means “more fish,” a name that aptly describes Lake Kachess in North Central region of Washington. The lake is full of fish, and anglers can… |
| Lake Osoyoos, WA / Canada (British Columbia, Canada, Canada, North Central Washington, US West Region, USA, Washington) |
5,729 ac | Also known as Osoyoos Lake Lake Osoyoos spans more than 5,700 acres and straddles the border of British Columbia, Canada and Washington state in the United States. The Okanagan… |
| Cle Elum Lake, WA (North Central Washington, US West Region, USA, Washington) |
4,812 ac | Also known as Lake Cle Elum Providing much needed water to the dry, fertile soil of north-central Washington, Cle Elum Lake is the largest of four irrigation storage reservoirs i… |
| Keechelus Lake, WA (North Central Washington, US West Region, USA, Washington) |
2,560 ac | Also known as Lake Keechelus, Keechelus Reservoir It is a picture postcard – snow capped mountains mirrored back in clean, clear, mountain water. Set against the backdrop of Washington’s Cascade Mount… |
| Lake Wenatchee, WA (North Central Washington, US West Region, USA, Washington) |
2,480 ac | Lake Wenatchee is a high mountain lake located in the Wenatchee National Forest in the Cascade Mountains of Washington state. Fed by the Little Wenatc… |
| Billy Clapp Lake, WA (North Central Washington, US West Region, USA, Washington) |
1,010 ac | Located in north central Washington, two miles northeast of Stratford, Billy Clapp Lake offers visitors year round access to its deep blue waters. Bil… |