The Chadakoin River is a 7.8-mile-long (12.6 km) stream that is a tributary of the Conewango Creek. The Chadakoin lies entirely in Chautauqua County in Western New York in the United States.
Chadakoin River (red)
Conewango Creek is a 71-mile-long (114 km) tributary of the Allegheny River in Pennsylvania and western New York in the United States.
Conewango Creek meets Allegheny River in Warren, Pennsylvania.