Largest lakes & reservoirs in Western Massachusetts 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 9 articles we have published for Western Massachusetts lakes.
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Below are lakes within USA > US New England Region > Massachusetts > Western Massachusetts > Compared by surface area in acres. This list does not represent all lakes in Western Massachusetts, only the 9 Western Massachusetts lake articles we have published on the LakeLubbers website.
Lake name  |
Surface area in acres |
Lake description |
|---|---|---|
| Quabbin Reservoir (Massachusetts, US New England Region, USA, Western Massachusetts) |
24,704 ac | One of the country’s largest man-made public water supplies, Quabbin Reservoir dominates the landscape in Western Massachusetts. Supplying much of the… |
| Otis Reservoir, MA (Massachusetts, US New England Region, USA, Western Massachusetts) |
1,085 ac | Also known as Otis Lake She sits by herself on the dock at Otis Reservoir; the coffee steaming in her mug mirrors the mist coming off the water of the lake. Her husband left… |
| Colebrook River Lake, CT/MA (Connecticut, Litchfield Hills Region, CT, Massachusetts, US New England Region, USA, Western Massachusetts) |
826 ac | Also known as Colebrook River Reservoir With over 800 acres of boating and fishing waters, with no residential development, Colebrook River Lake – straddling the Connecticut and Massachusett… |
| Onota Lake (Massachusetts, US New England Region, USA, Western Massachusetts) |
617 ac | Tucked away in the gently rolling hills of the Berkshires and surrounded by the City of Pittsfield, Onota Lake is a fantastic destination in the weste… |
| Pontoosuc Lake (Massachusetts, US New England Region, USA, Western Massachusetts) |
480 ac | Pontoosuc Lake is in the heart of the Berkshires, straddling the border between the City of Pittsfield and the Town of Lanesborough in the Western reg… |
| Big Pond (Massachusetts, US New England Region, USA, Western Massachusetts) |
310 ac | Also known as Big Benton Pond, Great Lake, Lake Winiscutt Big Pond in western Massachusetts has been known by many names, including Big Benton Pond, Great Lake, and even Lake Winiscutt. Regardless of its name… |
| Ashmere Lake (Massachusetts, US New England Region, USA, Western Massachusetts) |
217 ac | Ashmere Lake is a small, quiet lake tucked away in western Massachusetts. The 217-acre lake is surrounded by beautiful rural countryside in the towns… |
| Buckley Dunton Lake, MA (Massachusetts, US New England Region, USA, Western Massachusetts) |
161 ac | Also known as Buckley Dunton Reservoir At first glance, it seems like there is nothing around Buckley Dunton Lake, near Becket in western Massachusetts – that is, nothing but trees and wild… |
| Robin Hood Lake (Massachusetts, US New England Region, USA, Western Massachusetts) |
88 ac | Ringed with names like King Richard Drive and Will Scarlet Drive, Robin Hood Lake in the Western region of Massachusetts conjures images of another ti… |