Lakes / New Hampshire / Sullivan County / Halfmoon Pond
Halfmoon Pond, Sullivan County, New Hampshire
75.12 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - New Hampshire
43.18 degrees N, 72.09 degrees W - Sullivan 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 Halfmoon Pond Stacks Up
- Larger than 51% of the 516 lakes counted in New Hampshire.
- About 28 miles from Concord, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Island Pond | Sullivan | 1.1 mi | 192.21 acres |
| Millen Lake | Sullivan | 2.1 mi | 143.32 acres |
| Smith Pond | Sullivan | 3.4 mi | 29.16 acres |
| May Pond | Sullivan | 3.5 mi | 112.78 acres |
| Long Pond | Sullivan | 3.5 mi | 113.92 acres |
| Butterfield Pond | Sullivan | 3.7 mi | 39.39 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Halfmoon Pond
How Big Is Halfmoon Pond?
Halfmoon Pond covers 75.12 acres in Sullivan County, New Hampshire.
What Is the Largest Lake in Sullivan County?
Ashuelot Pond is the largest lake in Sullivan County, at 367.8 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 135998727). Verified October 30, 2026.