North Jersey and South Jersey are separated by what river?
North Jersey North Jersey comprises the northern portions of the U.S. state of New Jersey between the upper Delaware River and the Atlantic Ocean. The designation of northern New Jersey with a distinct toponym is a colloquial one rather than an administrative one, reflecting not only geographical but also perceived cultural differences from the southern part of the state, with no official definition.
Manalapan Brook Manalapan Brook is a tributary of the South River in Monmouth and Middlesex counties, New Jersey in the United States.