Washington Crossing State Park is a 3,575-acre (14 km2) state park in the U.S. state of New Jersey that is part of Washington's Crossing, a U.S. National Historic Landmark area. It is located in the Washington Crossing and Titusville sections of Hopewell Township in Mercer County, north of Trenton along the Delaware River. The park is operated and maintained by the New Jersey Division of Parks and Forestry.