page_title: Port Jervis, New York
section_title: State line monuments
hierarchical_section_title: Port Jervis, New York / Points of interest / State line monuments
caption_attribution_description: English: The Witness Monument for the Tri-States Monument marking the boundary of the states of New Jersey, New York, and Pennsylvania. View looking southwest along the Delaware River marking the boundary between New Jersey and Pennsylvania.
context_page_description: Port Jervis is a city located at the confluence of the Neversink and the Delaware rivers in western Orange County, New York, north of the Delaware Water Gap. Its population was 8,828 at the 2010 census. The communities of Deerpark, Huguenot, Sparrowbush, and Greenville are adjacent to Port Jervis. Matamoras, Pennsylvania, is across the river and connected by bridge. Montague Township, New Jersey, borders here.
  It was part of early industrial history, a point for shipping coal to major markets to the southeast by canal and later by railroads. Its residents had long-distance passenger service by railroad until 1970. The restructuring of railroads resulted in a decline in the city's business and economy.
  In the 21st century, from late spring to early fall, many thousands of travelers and tourists pass through Port Jervis on their way to enjoying rafting, kayaking, canoeing and other activities in the Delaware Water Gap National Recreation Area and the Upper Delaware Scenic and Recreational River and the surrounding area.
  Port Jervis is part of the Poughkeepsie–Newburgh–Middletown metropolitan area as well as the larger New York metropolitan area.
context_section_description: Port Jervis lies near the points where the states of New York, New Jersey and Pennsylvania come together. South of the Laurel Grove Cemetery, under the viaduct for Interstate 84, are two monuments marking the boundaries between the three states.
  The larger monument is a granite pillar inscribed "Witness Monument". It is not on any boundary itself, but instead is a witness for two boundary points. On the north side (New York), it references the corner boundary point between New York and Pennsylvania that is located in the center of the Delaware River 475 feet (145 m) due west of the Tri-State Rock. On the south side (New Jersey), it references the Tri-State Rock 72.25 feet (22.02 m) to the south.
  The smaller monument, the Tri-States Monument, also known as the Tri-State Rock, marks both the northwest end of the New Jersey and New York boundary and the north end of the New Jersey and Pennsylvania boundary. It is a small granite block with inscribed lines marking the boundaries of the three states and a bronze National Geodetic Survey marker. Both monuments were erected in 1882.
caption: Overlooking the Tri-States Monument at the confluence of the Delaware and Neversink rivers from the Witness Monument
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