| Newfound Lake | |
|---|---|
 Newfound Lake from Wellington State Park, Bristol, NH | |
  Newfound Lake  Newfound Lake | |
| Location | Grafton County, New Hampshire |
| Coordinates | 43°39′46″N 71°46′31″W / 43.66278°N 71.77528°W |
| Primary inflows | Fowler River Cockermouth River |
| Primary outflows | Newfound River |
| Basin countries | United States |
| Max. length | 6.0 miles (9.7 km) |
| Max. width | 2.4 miles (3.9 km) |
| Surface area | 4,451 acres (18.01 km2) |
| Max. depth | 183 feet (56 m) |
| Surface elevation | 588 feet (179 m) |
| Islands | Mayhew Island Wolf Island Cliff Island Belle Island Loon Island |
| Settlements | Bristol Bridgewater Alexandria Hebron |
Newfound Lake is located in Grafton County, New Hampshire, United States. It is situated in the Lakes Region of central New Hampshire, in the towns of Alexandria, Bridgewater, Bristol, and Hebron. Its area of 4,451 acres (18.0 km2) places it behind only Lake Winnipesaukee and Squam Lake among lakes located entirely within New Hampshire, and fourth in the state overall, when Umbagog Lake on the Maine border is included.