Lakes / New Jersey / Middlesex County / Lake Manalapan
Lake Manalapan, New Jersey
52.39 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - New Jersey
40.34 degrees N, 74.43 degrees W - Middlesex 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 Manalapan Stacks Up
- Larger than 48% of the 295 lakes counted in New Jersey.
- About 12 miles from Princeton, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Helmetta Pond | Middlesex | 2.5 mi | 37.62 acres |
| DeVoe Lake | Middlesex | 3.7 mi | 33.85 acres |
| Duhernal Lake | Middlesex | 5.2 mi | 117.98 acres |
| Davidsons Millpond | Middlesex | 5.9 mi | 29.9 acres |
| Farrington Lake | Middlesex | 6.6 mi | 221.41 acres |
| Tennent Pond | Middlesex | 7.7 mi | 32.87 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lake Manalapan
How Big Is Lake Manalapan?
Lake Manalapan covers 52.39 acres in Middlesex County, New Jersey.
What Is the Largest Lake in Middlesex County?
Farrington Lake is the largest lake in Middlesex County, at 221.41 acres.
Largest Lakes in New Jersey
| # | Lake | County | Surface Area | Max Depth |
|---|---|---|---|---|
| 1 | Lake Hopatcong | Sussex | 2,493.66 acres | - |
| 2 | Round Valley Reservoir | Hunterdon | 2,272.23 acres | - |
| 3 | Wanaque Reservoir | Passaic | 1,971.09 acres | - |
| 4 | Van Sciver Lake | Burlington | 1,396.61 acres | - |
| 5 | Spruce Run Reservoir | Hunterdon | 1,354.88 acres | - |
All 295 New Jersey lakes ranked by surface area
Sources: USGS National Hydrography Dataset (The National Map) lake data (ID 64660998). Verified October 30, 2026.