Lakes / New Jersey / Monmouth County / Lake Lefferts
Lake Lefferts, New Jersey
75.47 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - New Jersey
40.41 degrees N, 74.24 degrees W - Monmouth 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 Lefferts Stacks Up
- Larger than 63% of the 295 lakes counted in New Jersey.
- About 23 miles from Princeton, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Tennent Pond | Middlesex | 4.8 mi | 32.87 acres |
| Natco Lake | Monmouth | 5.1 mi | 41.02 acres |
| Duhernal Lake | Middlesex | 6.8 mi | 117.98 acres |
| DeVoe Lake | Middlesex | 8.0 mi | 33.85 acres |
| Swimming River Reservoir | Monmouth | 8.5 mi | 576.97 acres |
| Shadow Lake | Monmouth | 8.8 mi | 84.02 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lake Lefferts
How Big Is Lake Lefferts?
Lake Lefferts covers 75.47 acres in Monmouth County, New Jersey.
What Is the Largest Lake in Monmouth County?
Swimming River Reservoir is the largest lake in Monmouth County, at 576.97 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 161140894). Verified October 30, 2026.