Under the Monongahela River

The Monongahela River, sometimes referred to locally as the Mon, is a 130-mile-long river on the Allegheny Plateau in north-central West Virginia and Southwestern Pennsylvania. The river flows from the confluence of its west and east forks in north-central West Virginia northeasterly into southwestern Pennsylvania, then northerly to Pittsburgh and its confl…
The Monongahela River, sometimes referred to locally as the Mon, is a 130-mile-long river on the Allegheny Plateau in north-central West Virginia and Southwestern Pennsylvania. The river flows from the confluence of its west and east forks in north-central West Virginia northeasterly into southwestern Pennsylvania, then northerly to Pittsburgh and its confluence with the Allegheny River to form the Ohio River. The river includes a series of locks and dams that makes it navigable.
  • Country: United States
  • State: Pennsylvania and West Virginia
  • Counties: Marion WV, Monongalia WV, Greene PA, Fayette PA, Washington PA, Westmoreland PA, Allegheny PA
  • Source: Tygart Valley River
  • 2nd source: West Fork River
  • Mouth: Ohio River
  • Length: 130 mi (210 km)
Data from: en.wikipedia.org
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