Largest lakes & reservoirs in 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 19 articles we have published for Massachusetts lakes.
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Below are lakes within USA > US New England Region > Massachusetts > Compared by surface area in acres. This list does not represent all lakes in Massachusetts, only the 19 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… |
| Webster Lake, MA (Central Massachusetts, Massachusetts, US New England Region, USA) |
1,442 ac | Also known as Lake Chaubunagungamaug Webster Lake spans 1,442-acres in southern Massachusetts near the Connecticut border. This clear, spring-fed lake is one of the largest natural lakes… |
| 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… |
| Lake Quinsigamond, MA (Central Massachusetts, Massachusetts, US New England Region, USA) |
781 ac | Worcester, Massachusetts is well known for many things: John Adams taught school here before becoming the second President of the United States. Songw… |
| Lake Monomonac (Central Massachusetts, Massachusetts, Monadnock Region, NH, New Hampshire, US New England Region, USA) |
711 ac | The wind fills the sails, pushing the sailboats across Lake Monomonac. A bewitching combination of pristine white sail cloth and billowing bright colo… |
| 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… |
| Lake Cochituate (Greater Boston Region, MA, Massachusetts, US New England Region, USA) |
614 ac | Also known as Cochituate Reservoir Lake Cochituate in the Greater Boston region of Massachusetts is a popular recreational lake just a short distance from the city. The lake, less than… |
| Lake Cochichewick (Massachusetts, Northeastern & Merrimack Valley Region, MA, US New England Region, USA) |
564 ac | Also known as The Great Pond One of the earliest of Massachusetts’ iconic Great Ponds, beautiful Lake Cochichewick anchors the Town of North Andover to both its past and its futur… |
| 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… |
| Great Herring Pond (Massachusetts, Southeastern Massachusetts, US New England Region, USA) |
376 ac | Also known as Lake Manomet Nestled just minutes from Massachusetts’ southeastern coastline, Great Herring Pond is a cozy body of water with a surface area of 376 acres. Most of… |
| 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… |