Lakes / New Hampshire / Grafton County / Loon Lake
Loon Lake, Grafton County, New Hampshire
121.33 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - New Hampshire
43.80 degrees N, 71.75 degrees W - Grafton 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 Loon Lake Stacks Up
- Larger than 66% of the 516 lakes counted in New Hampshire.
- About 23 miles from Laconia, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Stinson Lake | Grafton | 5.5 mi | 341.99 acres |
| Ellsworth Pond | Grafton | 5.7 mi | 49.92 acres |
| Spectacle Pond | Grafton | 6.9 mi | 52.63 acres |
| Campton Pond | Grafton | 7.9 mi | 36.82 acres |
| Perch Pond | Grafton | 8.1 mi | 44.73 acres |
| Little Squam Lake | Grafton | 9.1 mi | 454.18 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Loon Lake
How Big Is Loon Lake?
Loon Lake covers 121.33 acres in Grafton County, New Hampshire.
What Is the Largest Lake in Grafton County?
Newfound Lake is the largest lake in Grafton County, at 4,451.11 acres.
Largest Lakes in New Hampshire
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Winnipesaukee | Belknap | 45,654.45 acres | - |
| 2 | Umbagog Lake | Coos | 7,642.5 acres | - |
| 3 | Squam Lake | Belknap | 6,791.2 acres | - |
| 4 | Newfound Lake | Grafton | 4,451.11 acres | - |
| 5 | Lake Winnisquam | Belknap | 4,213.89 acres | - |
All 516 New Hampshire lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 92797431). Verified October 30, 2026.