Lakes / Connecticut / Tolland County / Willimantic Reservoir
Willimantic Reservoir, Connecticut
80.7 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - Connecticut
41.74 degrees N, 72.19 degrees W - Tolland 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 Willimantic Reservoir Stacks Up
- Larger than 60% of the 363 lakes counted in Connecticut.
- About 25 miles from Hartford, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Mansfield Hollow Lake | Tolland | 1.6 mi | 488.79 acres |
| Hansens Pond | Tolland | 4.3 mi | 43.49 acres |
| Big Pond | Windham | 5.2 mi | 37.19 acres |
| Spencer Pond | New London | 5.8 mi | 32.27 acres |
| Eagleville Lake | Tolland | 5.9 mi | 79.49 acres |
| Black Spruce Pond | Windham | 6.2 mi | 31.07 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Willimantic Reservoir
How Big Is Willimantic Reservoir?
Willimantic Reservoir covers 80.7 acres in Tolland County, Connecticut.
What Is the Largest Lake in Tolland County?
Shenipsit Lake is the largest lake in Tolland County, at 529.48 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 116129120). Verified October 30, 2026.