Lakes / Massachusetts / Hampden County / Conant Brook Reservoir
Conant Brook Reservoir, Massachusetts
129.24 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Massachusetts
42.07 degrees N, 72.29 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 Conant Brook Reservoir Stacks Up
- Larger than 76% of the 784 lakes counted in Massachusetts.
- About 16 miles from Springfield, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Dean Pond | Hampden | 2.1 mi | 11 acres |
| Lake George | Hampden | 3.4 mi | 98 acres |
| Holland Pond | Hampden | 6.3 mi | 70 acres |
| Sherman Pond | Hampden | 6.3 mi | 79 acres |
| Hamilton Reservoir | Hampden | 6.8 mi | 423 acres |
| Thompson Lake | Hampden | 7.0 mi | 34.48 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Conant Brook Reservoir
How Big Is Conant Brook Reservoir?
Conant Brook Reservoir covers 129.24 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 141008593). Verified October 30, 2026.