The Black River, known as the Lamington River downstream of Pottersville, is a tributary of the North Branch Raritan River in central New Jersey in the United States. The Black River starts near that of the North Branch Raritan River, several miles west of Morristown, and flows through the Black River Wildlife Management Area and Hacklebarney State Park The Black River (also called the Black-Lamington) is only about 12 miles long from beginning to end.
The Black River, known as the Lamington River downstream of Pottersville, is a tributary of the North Branch Raritan River in central New Jersey in the United States.