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,
South Brunswick, New Jersey branches, the New York division of the Pennsylvania Railroad, the Rocky Hill and the Jamesburg and Freehold. The Lawrence Brook, a tributary of the Raritan River, flows through the township. Pigeon Swamp State Park is a New Jersey state park located on Deans Rhode Hall Road (Middlesex CR-610). The park has of undeveloped land. The township borders Cranbury Township, East Brunswick Township, Monroe Township, North Brunswick Township and Plainsboro Township in Middlesex County; Princeton in Mercer County; and Franklin Township in Somerset County. South Brunswick is in the humid continental climate zone. Average Winter-time high temperatures range from , and