Lakes / New Jersey / Morris County / Oak Ridge Reservoir
Oak Ridge Reservoir, New Jersey
463.96 acres
Surface Area
Where It Sits, and How Deep It Goes
Locator - New Jersey
41.06 degrees N, 74.50 degrees W - Morris 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 Oak Ridge Reservoir Stacks Up
- Larger than 93% of the 295 lakes counted in New Jersey.
- About 18 miles from Morristown, as the crow flies.
Lakes Nearby
| Lake | County | Distance | Surface Area |
|---|---|---|---|
| Lake Stockholm | Sussex | 1.9 mi | 31.38 acres |
| Dunker Pond | Passaic | 2.6 mi | 104.53 acres |
| Ryker Lake | Sussex | 2.7 mi | 32.12 acres |
| Cozy Lake | Morris | 2.8 mi | 26.93 acres |
| Clinton Reservoir | Passaic | 3.1 mi | 423.94 acres |
| Tamarack Lake | Sussex | 3.4 mi | 35.49 acres |
Straight-line distance between lake centers.
Facts and Figures
Questions About Oak Ridge Reservoir
How Big Is Oak Ridge Reservoir?
Oak Ridge Reservoir covers 463.96 acres in Morris County, New Jersey.
What Is the Largest Lake in Morris County?
Boonton Reservoir is the largest lake in Morris County, at 800.95 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 60459925). Verified October 30, 2026.