Lakes / Massachusetts / Barnstable County / West Reservoir
West Reservoir, Massachusetts
68.94 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Massachusetts
41.68 degrees N, 70.12 degrees W - Barnstable 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 West Reservoir Stacks Up
- Larger than 54% of the 784 lakes counted in Massachusetts.
- About 67 miles from Boston, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Swan Pond | Barnstable | 0.8 mi | 140.36 acres |
| Robbins Pond | Barnstable | 1.5 mi | 27.68 acres |
| Fresh Pond | Barnstable | 1.7 mi | 30.39 acres |
| Elbow Pond | Barnstable | 2.1 mi | 31.63 acres |
| Hinckleys Pond | Barnstable | 2.5 mi | 163.34 acres |
| Walkers Pond | Barnstable | 2.7 mi | 105 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About West Reservoir
How Big Is West Reservoir?
West Reservoir covers 68.94 acres in Barnstable County, Massachusetts.
What Is the Largest Lake in Barnstable County?
Long Pond is the largest lake in Barnstable County, at 729.7 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 136667070). Verified October 30, 2026.