Harlem River

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Harlem River
The Washington, Alexander Hamilton, and High Bridges over the Harlem River
The Harlem River, shown in yellow, between the Bronx and Manhattan in New York City.
Location
Country	United States
State	New York
Municipality	New York City
Physical characteristics
Source	Hudson River
• coordinates	40°52′42″N 73°55′33″W / 40.87843°N 73.92594°W / 40.87843; -73.92594
Mouth	East River
• coordinates	40°46′48″N 73°56′14″W / 40.78003°N 73.93710°W / 40.78003; -73.93710
Length	8 mi (13 km)
Basin features
Tributaries
• left	Bronx Kill

The Harlem River is an 8-mile (13 km) tidal strait in New York City, New York, flowing between the Hudson River and the East River and separating the island of Manhattan from the Bronx on the United States mainland.

The northern stretch, also called the Spuyten Duyvil ("spewing devil") Creek, has been significantly altered for navigation purposes. Originally it curved around the north of Marble Hill, but in 1895 the Harlem Ship Canal was dug between Manhattan and Marble Hill, and in 1914 the original course was filled in.