Lakes / Massachusetts / Bristol County / Warren Upper Reservoir
Warren Upper Reservoir, Massachusetts
139.9 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Massachusetts
41.83 degrees N, 71.22 degrees W - Bristol 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 Warren Upper Reservoir Stacks Up
- Larger than 78% of the 784 lakes counted in Massachusetts.
- About 38 miles from Boston, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Shad Factory Pond | Bristol | 3.5 mi | 31.37 acres |
| Warren Reservoir | Bristol | 4.1 mi | 82.86 acres |
| Milford Pond | Bristol | 4.9 mi | 30.89 acres |
| Somerset Reservoir | Bristol | 5.1 mi | 171.7 acres |
| James V Turner Reservoir | Bristol | 6.3 mi | 115.15 acres |
| Central Pond | Bristol | 6.5 mi | 135.17 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Warren Upper Reservoir
How Big Is Warren Upper Reservoir?
Warren Upper Reservoir covers 139.9 acres in Bristol County, Massachusetts.
What Is the Largest Lake in Bristol County?
Watuppa Pond is the largest lake in Bristol County, at 1,758.37 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 127685152). Verified October 30, 2026.