Lakes / Massachusetts / Franklin County / Northfield Mountain Reservoir
Northfield Mountain Reservoir, Massachusetts
237.28 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Massachusetts
42.61 degrees N, 72.44 degrees W - Franklin 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 Northfield Mountain Reservoir Stacks Up
- Larger than 89% of the 784 lakes counted in Massachusetts.
- About 36 miles from Springfield, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Laurel Lake | Franklin | 3.6 mi | 44.48 acres |
| Wickett Pond | Franklin | 4.3 mi | 29.9 acres |
| Lake Pleasant | Franklin | 5.2 mi | 53.01 acres |
| Moores Pond | Franklin | 5.6 mi | 31 acres |
| Wheelers Pond | Franklin | 5.9 mi | 28.17 acres |
| Montague Power Canal Reservoir | Franklin | 6.8 mi | 78.81 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Northfield Mountain Reservoir
How Big Is Northfield Mountain Reservoir?
Northfield Mountain Reservoir covers 237.28 acres in Franklin County, Massachusetts.
What Is the Largest Lake in Franklin County?
Quabbin Reservoir is the largest lake in Franklin County, at 24,012 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 136901944). Verified October 30, 2026.