Hudson River tournaments. Hudson River The Hudson River is a river that flows from north to south primarily through eastern New York in the United States. The river originates in the Adirondack Mountains of Upstate New York, flows southward through the Hudson Valley, and eventually drains into the Atlantic Ocean at New York Harbor, between New York City and Jersey City. The river serves as a political boundary between the states of New Jersey and New York at its southern end. Further north, it marks local boundaries between several New York counties. The lower half of the river is a tidal estuary,
Southport, New York area of , of which is land and , or 0.91%, is water. The south town line is the border of Pennsylvania, and the west town line is the border of Steuben County, New York. The Chemung River, a tributary of the Susquehanna River, forms part of the northern border. New York State Route 14 and New York State Route 328 are north-south highways that intersect in Southport village. As of the census of 2000, there were 11,185 people, 4,189 households, and 2,890 families residing in the town. The population density was 240.4 people per square mile (92.8/km²). There were