New York – New Jersey Line War In the largest of these squabbles some 210,000 acres (849.8 km) of land were at stake between New York and New Jersey. In this situation originally the western and northern border of New Jersey ran "along said River or Bay (the Delaware) to the northward as far as the northward most branch of the said Bay or River, which is in latitude 41 degrees, 40 minutes and crosseth over thence in a straight line to the latitude 41 degrees on Hudson's River." Said point on the Delaware is Cochecton or Station Point. This border, set in 1664, had been acknowledged
River Vale, New Jersey section bordering Emerson to the south, Harrington Park to the southeast, Old Tappan to the east, and Pearl River, New York to the north. Its borders are defined by the Hackensack River to the east, which was dammed to form Lake Tappan, and Pascack Brook to the south. The northern border is defined by the New York-New Jersey state border. The western border has several sections, including a section defined by an unnamed creek and a section defined by Cedar Lane. The southern portion of the township lies between the Hackensack River and Pascack Brook, and is relatively flat. The