Allegheny River

Quick Facts: Allegheny River
Countries: USA
States: New York & Pennsylvania
Source: Potter County
Mouth: Ohio River
Length: 325 mi (523 km)
Basin: 30.000 km² (11.580 mi²)

 
 

Allegheny rises in Potter County in north central Pennsylvania and flows northward through Cattaraugus County, NY, then mainly southwest through Pennsylvania, joining the Monongahela River at Pittsburgh to form the Ohio River.

Besides Pittsburgh, the chief cities on the river are Olean, NY, Warren, PA, and Oil City, PA.

The Allegheny River has many tributaries, some of the most important ones are: the Kiskiminetas, Kinzua Creek. Conewango Creek, and the Clarion River.

Flood control

The Kinzua Dam, a federal flood-control project on the Allegheny River in Pennsylvania, is located on its course. The dam required flooding of the Seneca Indian reservation in Cattaraugus County, NY, forcing the natives to relocate.

The reservoir of the Kinzua Dam, known as the Kinzua Lake is the deepest in the state of Pennsylvania at 179 feet (55 m). Today the dam and its surroundings represent a popular recreational spot for locals.

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