Monongahela River

The Monongahela is a 130-mile-long (210 km) river on the Allegheny Plateau in north-central West  and south western Pennsylvania.

The flows from the confluence of its west and east forks in north-central West northeasterly into southwestern , then northerly to and its confluence with the Allegheny River to form the Ohio River. The 's entire length is navigable via a of locks and dams.

Last Updated on 3 years by pinc