Lakes / Massachusetts / Hampden County / McLean Reservoir
McLean Reservoir, Massachusetts
59.04 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Massachusetts
42.18 degrees N, 72.67 degrees W - Hampden County. State and county outlines drawn from Census boundary data; the lake marker is placed by its Massachusetts Division of Fisheries and Wildlife coordinates, not by eye. Schematic - not a survey map.
How McLean Reservoir Stacks Up
- Larger than 47% of the 784 lakes counted in Massachusetts.
- About 7 miles from Springfield, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Ashley Pond | Hampden | 0.6 mi | 150.24 acres |
| Wright Pond | Hampden | 0.6 mi | 33.62 acres |
| Pequot Pond | Hampden | 1.3 mi | 154.99 acres |
| Buck Pond | Hampden | 1.8 mi | 23 acres |
| Whiting Street Reservoir | Hampden | 4.5 mi | 118.75 acres |
| Alder Pond | Hampshire | 5.3 mi | 26.44 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About McLean Reservoir
How Big Is McLean Reservoir?
McLean Reservoir covers 59.04 acres in Hampden County, Massachusetts.
What Is the Largest Lake in Hampden County?
Cobble Mountain Reservoir is the largest lake in Hampden County, at 1,066.49 acres.
Deepest Natural Lakes in Massachusetts
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Walden Pond | Middlesex | 62 acres | 100 ft |
| 2 | Cliff Pond | Barnstable | 206 acres | 96 ft |
| 3 | Wallum Lake | Worcester | 322 acres | 81 ft |
| 4 | Onota Lake | Berkshire | 653 acres | 72 ft |
| 5 | Ashumet Pond | Barnstable | 220 acres | 69 ft |
All 211 Massachusetts lakes ranked by depth
Largest Lakes in Massachusetts
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Quabbin Reservoir | Franklin | 24,012 acres | - |
| 2 | Wachusett Reservoir | Worcester | 4,041 acres | - |
| 3 | Assawompset Pond | Plymouth | 2,652.37 acres | - |
| 4 | Watuppa Pond | Bristol | 1,758.37 acres | - |
| 5 | South Watuppa Pond | Bristol | 1,460 acres | 23 ft |
All 784 Massachusetts lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 132761507). Verified October 30, 2026.