Lakes / New Jersey / Sussex County / Wallkill Lake
Wallkill Lake, New Jersey
27.92 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - New Jersey
41.24 degrees N, 74.54 degrees W - Sussex 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 Wallkill Lake Stacks Up
- Larger than 5% of the 295 lakes counted in New Jersey.
- About 31 miles from Morristown, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Glenwood Lake | Sussex | 1.1 mi | 28.42 acres |
| Lake Pochung | Sussex | 2.3 mi | 47.2 acres |
| Vernon Valley Lake | Sussex | 2.6 mi | 28.15 acres |
| Pleasant Valley Lake | Sussex | 3.9 mi | 36.32 acres |
| Clove Acres Lake | Sussex | 4.2 mi | 33.61 acres |
| Barry Lakes | Sussex | 5.7 mi | 59.06 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Wallkill Lake
How Big Is Wallkill Lake?
Wallkill Lake covers 27.92 acres in Sussex County, New Jersey.
What Is the Largest Lake in Sussex County?
Lake Hopatcong is the largest lake in Sussex County, at 2,493.66 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 61762223). Verified October 30, 2026.