Bronx, river, c.20 mi (30 km) long, issuing from Kensico Reservoir, SE N.Y., and flowing SW through the Bronx into the East River. The Bronx River Parkway, one of the first limited-access highways in the New York City area, parallels a portion of the river.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
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