What is Hudson River?
[[File:Hudson river from bear mountain bridge.jpg|thumb|300px|right|Photograph of the Hudson River looking north from the [[Bear Mountain Bridge]]]] The '''Hudson River''' is in the [[U.S. state|State]] of [[New York (state)|New York]] in the [[United States]]. It is about 315 [[mile]]s (507 km) long. The [[river]] runs from [[Lake Tear of the Clouds]] near [[Mount Marcy]] in [[Essex County, New York|Essex County]] in the north part of the state to [[New York Harbor]] in [[New York City]] at the south part of the state. It is named for [[Henry Hudson]]. The Hudson River is a special kind of river called an [[estuary]]. There is some [[Salt water|salt]] in the water from New York City north until [[Poughkeepsie, New York|Poughkeepsie]]. It is then [[fresh water]] from Poughkeepsie north until Lake Tear of the Clouds. The border for the salt in the water moves when the [[tide]] rises and falls. The Hudson is part of the [[Erie Canal]] from New York City to [[Albany, New York|Albany]]. The Hudson River used to have a lot of [[pollution]] from [[industry]], but it is becoming cleaner now. The lower part of this river separates New York from [[New Jersey]] and is sometimes called the '''North River'''. == Bridges that cross the Hudson River == * [[George Washington Bridge]] * [[Tappan Zee Bridge]] * [[Bear Mountain Bridge]] * Hamilton Fish Newburgh-Beacon Bridge * [[Franklin D. Roosevelt]] Mid-Hudson Bridge * [[Kingston, New York|Kingston]] Rhinecliff Bridge * [[Rip van Winkle]] Bridge * New York Thruway (Interstate 90-Interstate 87) Bridge * [[Interstate 90]] Bridge {{AHR}} [[Category:Hudson River]]