Warrington, New Jersey
Warrington is an unincorporated community located within Knowlton Township in Warren County, New Jersey, United States. Warrington is located on the Paulins Kill, approximately northeast of where it flows into the Delaware River. History. The early settlement was also known as "Kill Mills" and "Knowlton Mills". It was described as a "thriving little place", with a population of 50 in 1882. There was a blacksmith shop, and a public house known as "Leida's Hotel" or "Foster's Hotel". Warrington had a grist mill in 1890. These were gone by 1911. A line of the Delaware, Lackawanna  and Western Railroad—now abandoned—passed through Warrington. The Warrington Stone Bridge is located north of the settlement. Built around 1860, it is still the largest stone arch roadway bridge in New Jersey, and is listed on both the New Jersey Register of Historic Places and National Register of Historic Places.