Green Brook

Green Brook is a tributary of the Raritan River in central New Jersey in the United States.

Course

The Green Brook rises in the Watchung Mountains at an elevation of 410 feet in Free Acres, (the border of Berkeley Heights and Watchung). It flows northeast, forming a border between Union and Somerset Counties. It then turns south and flows through a valley in the Watchung Mountains. The Blue Brook joins it at Seeley’s Pond. It continues on a southwestern flow through Plainfield/North Plainfield. It flows underground between Watchung Ave and Madison Ave. The Stony Brook joins it in Green Brook Park. It continues on a southwestern flow through Dunellen/Greenbrook, forming a border between Middlesex and Somerset Counties. The Bonygutt Brook joins it at the intersection of Warrenville Road in Middlesex. The Bound Brook joins it in the northwest corner of Mountain View Park in Middlesex. It continues flowing southwest and turns south before the Ambrose Brook joins it at the intersection of Lincoln Blvd. in Middlesex. It completes its journey by flowing into the Raritan River in Middlesex/Bound Brook at an elevation of 18 feet. It gives its name to the township of Green Brook, New Jersey.