Lakes / Connecticut / Windham County / West Thompson Lake
West Thompson Lake, Connecticut
200.37 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Connecticut
41.95 degrees N, 71.90 degrees W - Windham County. State and county outlines drawn from Census boundary data; the lake marker is placed by its USGS National Hydrography Dataset coordinates, not by eye. Schematic - not a survey map.
How West Thompson Lake Stacks Up
- Larger than 85% of the 363 lakes counted in Connecticut.
- The largest lake in Windham County among those counted.
- About 42 miles from Hartford, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Acme Pond | Windham | 0.9 mi | 34.14 acres |
| Reams Pond | Windham | 2.3 mi | 33.63 acres |
| Roseland Lake | Windham | 2.5 mi | 97.91 acres |
| North Grosvenordale Pond | Windham | 3.2 mi | 58.81 acres |
| Quaddick Reservoir | Windham | 4.1 mi | 132.35 acres |
| Wappaquasset Pond | Windham | 4.6 mi | 89.97 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About West Thompson Lake
How Big Is West Thompson Lake?
West Thompson Lake covers 200.37 acres in Windham County, Connecticut.
What Is the Largest Lake in Windham County?
West Thompson Lake is the largest lake in Windham County, at 200.37 acres.
Largest Lakes in Connecticut
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Candlewood | Fairfield | 5,127.26 acres | - |
| 2 | Barkhamsted Reservoir | Litchfield | 2,231.71 acres | - |
| 3 | Lake Lillinonah | Litchfield | 1,531.02 acres | - |
| 4 | Lake Gaillard | New Haven | 1,090.97 acres | - |
| 5 | Bantam Lake | Litchfield | 953.89 acres | - |
All 363 Connecticut lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 122365526). Verified October 30, 2026.