The Paulins Kill is a 41.6-mile (66.9 km) tributary of the Delaware River in northwestern New Jersey in the United States. With a long-term median flow rate of 76 cubic feet of water per second (2.15 m³/s), it is New Jersey's third-largest contributor to the Delaware River, behind the Musconetcong River and Maurice River. The river drains an area of 176.85 square miles (458.0 km2) across portions of Sussex and Warren counties and 11 municipalities. It flows north from its source near Newton, and then turns southwest. The river sits in the Ridge and Valley geophysical province.
The Paulins Kill flowing southwest near Warrington, New Jersey
A vintage postcard view of the Paulins Kill at Baleville, in Hampton Township, New Jersey, circa 1905. The Paulins Kill is a calm, slow-flowing river, without significant disturbance or rapids, and looks much like this view for all of its length.
Marksboro Grist Mill on the Paulins Kill
The Paulinskill or Hainesburg Viaduct, built 1908 to 1911, carried the Delaware, Lackawanna and Western Railroad across the Paulins Kill Valley on the Lackawanna Cut-Off
Sussex County, New Jersey
Sussex County is the northernmost county in the U.S. state of New Jersey. Its county seat is Newton. It is part of the New York metropolitan area and is part of New Jersey's Skylands Region. As of the 2020 census, the county was the state's 17th-most-populous county, with a population of 144,221, a decrease of 5,044 (−3.4%) from the 2010 census count of 149,265, which in turn reflected an increase of 5,099 (+3.5%) over the 144,166 persons at the 2000 census. Based on 2020 census data, Vernon Township was the county's largest in both population and area, with a population of 22,358 and covering an area of 70.59 square miles (182.8 km2). The county is part of the North Jersey region of the state.
High Point Monument, situated at the highest point in the U.S. state of New Jersey
The Westbrook-Bell House in Sandyston Township is the oldest house still-standing in Sussex County, built by Dutch settler Johannes Westbrook in the early 18th century.
A 1905 postcard view from "Jefferson Dunn's Farm" along the Paulins Kill in the Baleville section of Hampton Township. The Kittatinny Valley supported significant agriculture including dairy farms, and the Paulins Kill powered many grist mills.
The Franklin Furnace mines and processing plant of the New Jersey Zinc Company in Franklin Borough (circa 1890–1901). Zinc mining brought thousands of Irish, South American, and Eastern European immigrants to Sussex County in the late 19th and early 20th centuries.
