Mountain Station is a New Jersey Transit station in South Orange, Essex County, New Jersey, United States, along the Morris and Essex. The station, built in 1915, was designed by Frank J. Nies. It has been listed in the New Jersey Register of Historic Places and National Register of Historic Places since 1984 and is part of the Operating Passenger Railroad Stations Thematic Resource.

South Orange, known as the Township of South Orange Village from October 1978 until April 25, 2024, is a suburban village in Essex County, in the U.S. state of New Jersey. As of the 2020 United States census, the village population was 18,484, an increase of 2,286 (+14.1%) from the 2010 census count of 16,198, which in turn reflected a decline of 766 (−4.5%) from the 16,964 counted in the 2000 census. Seton Hall University is located in the township.