| Surry Mountain Lake | |
|---|---|
| Surry Mountain Dam and Lake on the Ashuelot River | |
| Location | Cheshire County, New Hampshire |
| Lake type | Reservoir |
| Primary inflows | Ashuelot River |
| Primary outflows | Ashuelot River |
| Basin countries | United States |
| Max. length | 1.0 mi (1.6 km) |
| Max. width | 0.6 mi (0.97 km) |
| Surface area | 265 acres (1.07 km2) |
| Surface elevation | 153 meters |
| Settlements | Surry |
Surry Mountain Lake is a 265-acre (1.07 km2) impoundment on the Ashuelot River in Cheshire County in southwestern New Hampshire, in the town of Surry. The reservoir was built to protect downstream communities, such as Keene, New Hampshire, from flooding.