The Ohio River is formed by the confluence (Meeting) of the Allegheny and Monongahela rivers. These two rivers meet at Point State Park in Pittsburgh, Pennsylvania.
the Mississippi river
The Monongahala River (i'm not quite sure i spelled that right), and the Allegheny River
The Monongahela River And The Allegheny Join At the Point To Create - The Ohio River - Which Eventually Flows Into The Mississippi river
it's pittsburrg
The Ohio River
Ohio is the closest state to the Ohio River that's why it is called the Ohio River.
Many rivers and small streams flow into the Ohio River. Some of the major ones are: Allegheny River Monongahela River Wabash River Tennessee River Cumberland River Muskingham River Source: Riverlorian.com
The Ohio River
The Ohio River forms Ohio's southern border.
Ohio River is a very important river in ohio
The Ohio River and Ohio River Valley boarder the southern part of Ohio.
The river is formed by the confluence of the Allegheny and Monongahela rivers at Point State Park (called the "Point") in Pittsburgh, Pennsylvania. It joins the Mississippi River at Cairo, Illinois. The native Americans considered the Monongahela to be the same as the Ohio and the Allegheny as a branch.