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,
North Branch Raritan River North Branch Raritan River The North Branch Raritan River is a tributary of the Raritan River in central New Jersey in the United States. The North Branch Raritan River rises in Morris County, in eastern Mendham Borough rising out of Mendham Commons Pond, and flows generally southward into Somerset County, around the southern end of the Watchung Mountains. At its end, it forms the border between Bridgewater and Branchburg Townships, and upon reaching the border of Hillsborough Township, joins the South Branch Raritan River to form the main Raritan River, which generally flows eastward from that point. This area where