| Stony Brook | |
| Map: | Stony Brook (Green Brook).JPG |
| Source1 Coordinates: | 40.6533°N -74.4531°W |
| Mouth Coordinates: | 40.6078°N -74.4478°W |
| Subdivision Type1: | Country |
| Mouth Elevation: | 59feet |
| River System: | Raritan River system |
| Tributaries Right: | Crab Brook |
Stony Brook is a tributary of Green Brook in central New Jersey in the United States.[1]
The Stony Brook starts at 40.6533°N -74.4531°W, near the intersection of Hillcrest Road and I-78. It flows southeast, crossing Stirling Road, before turning southwest. It then turns northeast and flows into Watchung Lake. In Watchung Lake, it joins an unnamed tributary from the northeast and another one from the southwest. It then leaves the lake and goes southeast through the town of Watchung. It passes through the Stony Brook Gorge in the first Watchung Mountain and over the Wetumpka Falls.
It crosses Route 22 and joins the Crab Brook. It then crosses Greenbrook Road and turns south. It crosses West End Avenue and drains into the Green Brook at 40.6078°N -74.4478°W, in the Green Brook Park.