Is the Ohio River a major river?

Yes, the Ohio River is a major river in the United States. It is the largest tributary of the Mississippi River and is located in the eastern United States. The Ohio River flows through six states: Pennsylvania, Ohio, West Virginia, Kentucky, Indiana, and Illinois. It is approximately 981 miles long and drains an area of about 204,000 square miles. The Ohio River is a popular waterway for transportation, recreation, and fishing.