Lakes / New Jersey / Bergen County / Lake Tappan
Lake Tappan, New Jersey
919.6 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - New Jersey
41.03 degrees N, 73.99 degrees W - Bergen 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 Tappan Stacks Up
- Ranks #6 for surface area among the New Jersey lakes counted so far - 919.6 acres.
- The largest lake in Bergen County among those counted.
- About 20 miles from Hoboken, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Woodcliff Lake | Bergen | 2.9 mi | 166.3 acres |
| Oradell Reservoir | Bergen | 4.4 mi | 708.31 acres |
| Schlegel Lake | Bergen | 4.7 mi | 26.93 acres |
| Dators Pond | Bergen | 10 mi | 29.91 acres |
| Haledon Reservoir | Passaic | 11 mi | 73.47 acres |
| Dundee Lake | Bergen | 12 mi | 59.96 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Lake Tappan
How Big Is Lake Tappan?
Lake Tappan covers 919.6 acres in Bergen County, New Jersey.
What Is the Largest Lake in Bergen County?
Lake Tappan is the largest lake in Bergen County, at 919.6 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 60448191). Verified October 30, 2026.