Lakes / New Hampshire / Merrimack County / Lake Massasecum
Lake Massasecum, New Hampshire
408.96 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - New Hampshire
43.24 degrees N, 71.91 degrees W - Merrimack 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 Lake Massasecum Stacks Up
- Larger than 91% of the 516 lakes counted in New Hampshire.
- About 19 miles from Concord, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Billings Pond | Merrimack | 3.1 mi | 26.44 acres |
| Blaisdell Lake | Merrimack | 3.4 mi | 160.87 acres |
| Todd Lake | Merrimack | 3.8 mi | 167.54 acres |
| Loch Lyndon | Merrimack | 5.2 mi | 120.59 acres |
| Bear Pond | Merrimack | 5.6 mi | 48.68 acres |
| Long Pond | Merrimack | 5.8 mi | 91.18 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lake Massasecum
How Big Is Lake Massasecum?
Lake Massasecum covers 408.96 acres in Merrimack County, New Hampshire.
What Is the Largest Lake in Merrimack County?
Sunapee Lake is the largest lake in Merrimack County, at 4,125.23 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 135998471). Verified October 30, 2026.