State line monuments Port Jervis, New York

south side of boundary witness monument. on north side references corner boundary point between new york , pennsylvania located in center of delaware river west of tri-state rock; on south side references tri-state rock 10 yards south.

the smaller monument, tri-states monument, known tri-state rock, marks northwest end of new jersey , new york land boundary not north end of new jersey , pennsylvania boundary purports do. true north end of new jersey , new york boundary, true north end of new jersey , pennsylvania boundary , true tri-state point located 47.25 feet (14.40 m) west, in middle of delaware river in diving distance of eastbound interstate 84 overpass. marker small granite block inscribed lines marking supposed boundaries of 3 states , bronze national geodetic survey marker @ purported mistaken triple point. current tri-state monument erected in 1884 replacement original monument erected in 1774, important in resolving new york – new jersey line war.

tri-state rock or monument overlooking confluence of delaware , neversink rivers



top of tri-states boundary marker bronze national geodetic survey marker vandalized off, showing state line engraving.