South River is a borough located in Middlesex County, New Jersey. It is situated along the banks of the South River, which is part of the Raritan River watershed. The borough covers an area of approximately 1.5 square miles and has a diverse community with a mix of residential and commercial areas. Founded in the 19th century, South River has a rich history and was originally known for its agricultural roots. Today, it offers various parks and recreational facilities, making it a pleasant place for families. The borough is also conveniently located near major highways, providing easy access to nearby cities like New Brunswick and Perth Amboy.