Largest lakes & reservoirs in Allegheny Mountains & Valleys Region, PA 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 3 articles we have published for Allegheny Mountains & Valleys Region, PA lakes.
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Below are lakes within USA > US Mid-Atlantic Region > Pennsylvania > Allegheny Mountains & Valleys Region, PA > Compared by surface area in acres. This list does not represent all lakes in Allegheny Mountains & Valleys Region, PA, only the 3 Allegheny Mountains & Valleys Region, PA lake articles we have published on the LakeLubbers website.
Lake name  |
Surface area in acres |
Lake description |
|---|---|---|
| Raystown Lake, PA (Allegheny Mountains & Valleys Region, PA, Pennsylvania, US Mid-Atlantic Region, USA) |
8,300 ac | Raystown Lake, at 8,300 acres, is the largest lake located entirely within Pennsylvania’s borders. The lake is nestled in the southern Allegheny Mount… |
| Beaverdam Reservoir (Allegheny Mountains & Valleys Region, PA, Pennsylvania, US Mid-Atlantic Region, USA) |
382 ac | Also known as Beaverdam Run Reservoir Tucked away in rural Cambria County, in Pennsylvania’s Allegheny Mountains and Valleys region, Beaverdam Reservoir provides a welcome natural respite… |
| Green Valley Lake, PA (Allegheny Mountains & Valleys Region, PA, Pennsylvania, US Mid-Atlantic Region, USA) |
3 ac | She stretches out on her towel on the dock at Green Valley Lake and feels the sun sink into her skin and her tension melt away. The only sound she hea… |