Deepest lakes & reservoirs in Western Massachusetts by maximum depth (ft)
The estimated greatest depth of the water in a lake can be measured at the lake’s normal elevation. If the water volume and surface area of a lake are known, an estimate of the lake’s average depth can be calculated:Water volume ÷ Surface Area = Average Depth
Example: 1,000,000 acre-feet ÷ 20,000 acres = 50 feet average depth.
You can find many of the the world’s deepest lakes on LakeLubbers. If you sort the list, you will find the (maximum depth of) the shallowest lakes in our database. Note: For some lakes, lake depth data is unknown, so this table may display 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 maximum depth in feet. 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  |
Max depth in feet |
Lake description |
|---|---|---|
| Quabbin Reservoir (Massachusetts, US New England Region, USA, Western Massachusetts) |
151 ft | One of the country’s largest man-made public water supplies, Quabbin Reservoir dominates the landscape in Western Massachusetts. Supplying much of the … |
| Colebrook River Lake, CT/MA (Connecticut, Litchfield Hills Region, CT, Massachusetts, US New England Region, USA, Western Massachusetts) |
136 ft | 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) |
66 ft | 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 … |
| Otis Reservoir, MA (Massachusetts, US New England Region, USA, Western Massachusetts) |
48 ft | 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 … |
| Pontoosuc Lake (Massachusetts, US New England Region, USA, Western Massachusetts) |
35 ft | 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) |
26 ft | 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) |
23 ft | 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) |
10 ft | 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 … |