Linked from
The 16 pages that link to Hudson River, each with the reason it gives.
The BronxRelated: It forms the Bronx's western waterfront boundary.
ManhattanRelated: It forms Manhattan’s western boundary and separates the island from New Jersey.
New York HarborRelated: Its mouth forms the harbor’s principal river entrance.
Thomas ColeRelated: Its valley supplied subjects and vantage points for Cole’s early landscape work.
Jersey CityRelated: The river separates Jersey City from Manhattan and shapes its waterfront.