Largest lakes & reservoirs in Northern Idaho by water volume
The estimated volume of water that a lake contains is measured at the lake’s normal elevation. By this measure, the world’s largest freshwater lake is Siberia’s Lake Baikal.Water Volume can be measured in acre-feet, in cubic miles, or in cubic kilometers. One acre-foot is the amount of water needed to cover one acre (43,560 square feet) to a depth of one foot. One cubic mile equals 3,379,200 acre-feet. One cubic kilometer equals 810,713 acre-feet. 1 acre-foot is equal to 325,851 US gallons. Siberia’s Lake Baikal contains about 6,276,367,740,000,000 gallons of freshwater – nearly 1 million gallons for every living person on earth.
The other – and more widely used – measure of a lake’s size is the lake’s surface acreage. By that measure, the world’s largest freshwater lake is North America’s Lake Superior.
Note: In the United States, an acre foot is a unit of volume used to refer to large-scale bodies of water. It is defined by the volume of water needed to cover 1 acre of surface area to a depth of 1 foot.
You can find many of the the world’s largest lakes (by water volume) on LakeLubbers. Note: For some lakes, the water volume data is unknown or does not apply, so you may see fewer lakes than the total 7 articles we have published for Northern Idaho lakes.
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Below are lakes within USA > US West Region > Idaho > Northern Idaho > Compared by water volume. This list does not represent all lakes in Northern Idaho, only the 7 Northern Idaho lake articles we have published on the LakeLubbers website.
Lake name  |
Water vol. in ac-ft |
Lake description |
|---|---|---|
| Lake Pend Oreille, ID (Idaho, Northern Idaho, US West Region, USA) |
43,939,940 ac-ft | (Also known as Albeni Falls Dam) Set in a valley carved by glaciers from Canada, Lake Pend Oreille (pond-a-RAY) is surrounded by mountains with altitudes exceeding 6,000 feet. Its 85,… |
| Coeur d’Alene Lake, ID (Idaho, Northern Idaho, US West Region, USA) |
2,269,996 ac-ft | (Also known as Lake Coeur d'Alene) Nestled at the foothills of the Rocky Mountains in the Northern Panhandle of Idaho, 30,000-acre Coeur d’Alene Lake (pronounced Core-de-lane) is a spec… |
| Priest Lake, ID (Idaho, Northern Idaho, US West Region, USA) |
143,000 ac-ft | Located in the most northern portion of Idaho’s Panhandle, Priest Lake is within 30 miles of the Canadian Border. Priest Lake was naturally created at… |
| Twin Lakes ID (Idaho, Northern Idaho, US West Region, USA) |
9 ac-ft | The scenery at northern Idaho’s Twin Lakes is nothing to scoff at. With lush mountains looming on either side of this 850-acre crystalline lake, bald… |