Rock Brook is a tributary of Beden Brook in Somerset County, New Jersey in the United States.
Course Rock Brook starts at . It flows south through the town of Skillman, picking up several tributaries, until it enters a dammed section called Sylvan Lake. It then continues west before draining into Beden Brook at .
Tributaries Cat Tail Brook
Sister tributary Pike Run
See also List of rivers of New Jersey
References
External links USGS Coordinates in Google Maps