The Paulinskill River is a tributary of the Delaware River located in northwestern New Jersey. It flows for approximately 40 miles, starting in the Kittatinny Mountains and winding through several towns, including Newton and Blairstown. The river is known for its scenic beauty and diverse ecosystems, making it a popular spot for outdoor activities like fishing and kayaking. The river is part of the Paulinskill Valley Trail, which offers recreational opportunities for hiking and biking along its banks. The surrounding area is rich in wildlife, providing habitats for various species, including birds and fish. The Paulinskill River plays a vital role in the local environment and community.