Largest lakes & reservoirs in Mountains Region, AL 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 10 articles we have published for Mountains Region, AL lakes.
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Below are lakes within USA > US South Region > Alabama > Mountains Region, AL > Compared by water volume. This list does not represent all lakes in Mountains Region, AL, only the 10 Mountains Region, AL lake articles we have published on the LakeLubbers website.
Lake name  |
Water vol. in ac-ft |
Lake description |
|---|---|---|
| Lewis Smith Lake, AL (Alabama, Mountains Region, AL, US South Region, USA) |
1,390,000 ac-ft | (Also known as Smith Lake) Lewis Smith Lake is a perfect place for an outdoor adventure. Tucked into a corner of the Bankhead National Forest in northern Alabama’s Mountain Regi … |
| Wheeler Lake, AL (Alabama, Mountains Region, AL, US South Region, USA) |
1,050,000 ac-ft | (Also known as Wheeler Reservoir) Wheeler Lake in northern Alabama’s Mountain Region is the state’s second-largest lake at 67,100 acres. The Tennessee Valley Authority created Wheeler … |
| Lake Guntersville, AL (Alabama, East Tennessee, Mountains Region, AL, Tennessee, US South Region, USA) |
1,049,000 ac-ft | (Also known as Guntersville Lake, Guntersville Reservoir) Alabama’s Mountain Region contains the state’s largest lake: Lake Guntersville. Cradled in the Appalachian foothills of northern Alabama, it’s located … |
| Wilson Lake, AL (Alabama, Mountains Region, AL, US South Region, USA) |
586,600 ac-ft | (Also known as Wilson Reservoir) Once known as the “Smallmouth Capital of the World,” outdoor enthusiasts enjoy Wilson Lake for its fishing, boating, hiking, and exploring the natural … |
| Pickwick Lake, AL/MS/TN (Alabama, Hills Region, MS, Mississippi, Mountains Region, AL, Tennessee, US South Region, USA, West Tennessee) |
492,700 ac-ft | (Also known as Pickwick Reservoir) Pickwick Lake is a 43,100-acre reservoir created by the Tennessee Valley Authority (TVA) with construction of Pickwick Landing Dam across the Tennesse … |
| Cedar Creek Reservoir, AL (Alabama, Mountains Region, AL, US South Region, USA) |
93,940 ac-ft | The four reservoirs of the Bear Creek watershed are a recreational paradise for water lovers, and Cedar Creek Reservoir is the largest of the four and … |
| Little Bear Creek Reservoir, AL (Alabama, Mountains Region, AL, US South Region, USA) |
37,800 ac-ft | (Also known as Little Bear Reservoir) Little Bear Creek Reservoir, located 13 miles southwest of Russellville in Franklin County in the Mountains Region of northwestern Alabama, is a 1,560 … |
| Upper Bear Creek Reservoir, AL (Alabama, Mountains Region, AL, US South Region, USA) |
37,400 ac-ft | (Also known as Upper Bear Reservoir) Tucked away in the Mountains Region of northern Alabama, Upper Bear Creek Reservoir awaits visitors with trophy sized bass fishing, boating, swimming, … |
| Lake Catoma, AL (Alabama, Mountains Region, AL, US South Region, USA) |
16,400 ac-ft | (Also known as Catoma Reservoir) Lake Catoma, also known as the Catoma Reservoir, is nestled within the Alabama Mountains tourism region. It boasts a surface area of 536 acres and a n … |