10 Facts About Allegheny River


Allegheny River is a 325-mile long headwater stream of the Ohio River in western Pennsylvania and New York.

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The Allegheny River is, by volume, the main headstream of both the Ohio and Mississippi Rivers.

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Name Allegheny probably comes from Lenape welhik hane or oolikhanna, which means 'best flowing river of the hills' or 'beautiful stream'.

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The Allegheny joins with the Monongahela River at the "Point" in downtown Pittsburgh to form the Ohio River.

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Allegheny River Valley has been one of the most productive areas of fossil fuel extraction in United States history, with its extensive deposits of coal, petroleum, and natural gas.

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River is impounded by the Kinzua Dam in northwestern Pennsylvania, resulting in the Allegheny Reservoir known as Kinzua Lake and Lake Perfidy among the Seneca.

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The Allegheny River Tunnel, utilized by Pittsburgh Light Rail, went into service in 2012.

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The conflict over the expansion of British settlement into the Allegheny River Valley and the surrounding Ohio Country was a primary cause of the French and Indian War in the 1750s.

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In 1965, the completion of the federally sponsored Kinzua Dam for flood-control in northwestern Pennsylvania east of Warren created the long Allegheny River Reservoir, known as Lake Perfidy among the Seneca, part of which is included in the Allegheny River National Recreation Area.

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In 2008, Katie Spotz became the first person to swim the entire 325 miles of the Allegheny River; she was accompanied by safety kayaker, James Hendershott.

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