Wanderlust World Wanderlust World | Attribute | Details |
|---|---|
| Length | 981 miles (1,579 km) |
| Source | Confluence of the Allegheny and Monongahela Rivers at Pittsburgh, Pennsylvania |
| Mouth | Mississippi River at Cairo, Illinois |
| Drainage Basin | 205,000 sq mi (531,000 km²) |
| Average Discharge | 301,000 cu ft/s (8,529 m³/s) |
| Major Tributaries | Allegheny, Monongahela, Kanawha, Big Sandy, Wabash Rivers |
| Major Cities Along Its Course | Pittsburgh, PA; Cincinnati, OH; Louisville, KY; Evansville, IN |
The Ohio River is the largest tributary by volume of the Mississippi River. It flows through or along six states: Pennsylvania, West Virginia, Ohio, Indiana, Kentucky, and Illinois.