Saddle River is a borough in Bergen County, in the U.S. state of New Jersey. It is a suburb of New York City, located just over 25 miles northwest of Manhattan. The town is known for its natural fields, farmland, forests, and rivers, and has a bucolic atmosphere, due in part to a minimum zoning requirement of 2 acres for homes. The borough contains both stately historic homes and estates, as well as newer mansions.