New York City Hudson River separates the city from the U.S. state of New Jersey. The East River—a tidal strait—flows from Long Island Sound and separates the Bronx and Manhattan from Long Island. The Harlem River, another tidal strait between the East and Hudson Rivers, separates most of Manhattan from the Bronx. The Bronx River, which flows through the Bronx and Westchester County, is the only entirely fresh water river in the city. The city's land has been altered substantially by human intervention, with considerable land reclamation along the waterfronts since Dutch colonial times; reclamation is most prominent in Lower Manhattan, with developments
New York – New Jersey Line War New Jersey's border claim, described what he had heard of this meeting. I Do hereby Certify that some Time in or about as I Believe the year 1685, or 1686, Col. Thomas Dongan then Governor of New York and others met with Gawen Lawry, then Governor of New Jersey with some of the Gentlemen of the Council of New Jersey and others at a Place nigh which stood afterwards the house of Col. William Merrett on the West Side of Husdsons River where an observation was then made of the latitude and mark'd with a Pen Knife on a Beech-Tree