Lakes / New Hampshire / Rockingham County / Onway Lake
Onway Lake, New Hampshire
178.64 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - New Hampshire
43.04 degrees N, 71.22 degrees W - Rockingham 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 Onway Lake Stacks Up
- Larger than 77% of the 516 lakes counted in New Hampshire.
- About 12 miles from Manchester, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Governors Lake | Rockingham | 2.0 mi | 60.54 acres |
| Deer Pond | Rockingham | 3.6 mi | 38.05 acres |
| Pawtuckaway Pond | Rockingham | 5.2 mi | 806.15 acres |
| Round Pond | Rockingham | 5.6 mi | 29.16 acres |
| Little Massabesic Lake | Rockingham | 6.1 mi | 54.12 acres |
| Calef Pond | Rockingham | 6.6 mi | 30.39 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Onway Lake
How Big Is Onway Lake?
Onway Lake covers 178.64 acres in Rockingham County, New Hampshire.
What Is the Largest Lake in Rockingham County?
Massabesic Lake is the largest lake in Rockingham County, at 2,560.51 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 141034680). Verified October 30, 2026.