Lakes / New Jersey / Passaic County / Upper Greenwood Lake
Upper Greenwood Lake, New Jersey
416.37 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - New Jersey
41.17 degrees N, 74.38 degrees W - Passaic 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 Upper Greenwood Lake Stacks Up
- Larger than 92% of the 295 lakes counted in New Jersey.
- About 27 miles from Morristown, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Bearfort Waters | Passaic | 2.5 mi | 25.16 acres |
| Wawayanda Lake | Sussex | 2.8 mi | 247.85 acres |
| Pinecliff Lake | Passaic | 2.9 mi | 143.82 acres |
| Green Turtle Lake | Passaic | 3.3 mi | 44.73 acres |
| Barry Lakes | Sussex | 3.4 mi | 59.06 acres |
| Lake Wanda | Sussex | 3.8 mi | 37.81 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Upper Greenwood Lake
How Big Is Upper Greenwood Lake?
Upper Greenwood Lake covers 416.37 acres in Passaic County, New Jersey.
What Is the Largest Lake in Passaic County?
Wanaque Reservoir is the largest lake in Passaic County, at 1,971.09 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 61790821). Verified October 30, 2026.