description Ohio River Overview
The Ohio River is the largest left-bank tributary of the Mississippi River by water volume, flowing approximately 1,579 kilometers through several states. Historically, it formed the southern boundary of the Northwest Territory in the United States. The river begins at the confluence of the Allegheny and Monongahela rivers in Pittsburgh, Pennsylvania, and meets the Mississippi at Cairo, Illinois. It remains a major navigable waterway for barge transportation today.
help Ohio River FAQ
Where does the Ohio River begin?
The Ohio River begins at Pittsburgh, Pennsylvania, where the Allegheny and Monongahela rivers meet. It then flows generally west and southwest before joining the Mississippi River at Cairo, Illinois.
How long is the Ohio River?
The Ohio River runs for approximately 1,579 kilometers. It is the largest left-bank tributary of the Mississippi River by water volume.
Which states border the Ohio River?
The river borders or passes along parts of Pennsylvania, Ohio, West Virginia, Kentucky, Indiana, and Illinois. In several stretches, the river forms state boundaries rather than running through only one state.
Why was the Ohio River important in US history?
It formed the southern boundary of the Northwest Territory under the Northwest Ordinance of 1787. The river also became a major route for settlement, trade, and transport between the Appalachian region and the Mississippi basin.
explore Explore More
Similar to Ohio River
ui.x_see_all arrow_forward
Reviews & Comments
Write a Review
Be the first to review
Share your thoughts with the community and help others make better decisions.
