Where does the ohio river start?

The Allegheny River, left, and Monongahela River join to form the Ohio River at Pittsburgh, Pennsylvania, the largest metropolitan area on the river. Built between 1849 and 1851, the Wheeling Suspension Bridge was the first bridge across the river. read more

Following is a brief tour of the Ohio River. Most rivers begin as a tiny stream and grow in size as tributaries pour into it. The Ohio River starts out as a big river at the confluence of the Allegheny and Monongahela Rivers at Pittsburgh, Pennsylvania (shown at right). read more

Most rivers begin as a tiny stream and grow in size as tributaries pour into it. The Ohio River starts out as a big river at the confluence of the Allegheny and Monongahela Rivers at Pittsburgh, Pennsylvania (shown at right). Pittsburgh, as has many Ohio River cities, has done great things to improve their riverfront. read more