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981 miles

Ohio River

Flows from Pittsburgh along the Ohio, West Virginia, Kentucky, Indiana and Illinois borders past Wheeling, Huntington, Cincinnati, Louisville and Evansville to Cairo. It is a chain of navigation pools rather than a free-flowing river.

N100 mi
Course of the river, simplified. Map data from Natural Earth (public domain).

Weather at the Ohio River (National Weather Service) ↗

River facts

Length981 miles
SourceAllegheny and Monongahela rivers meet at Pittsburgh, Pennsylvania
MouthJoins the Mississippi River at Cairo, Illinois
StatesIndiana, Kentucky, Ohio, West Virginia

Twenty locks and dams, including McAlpine, Markland, Greenup, Cannelton and Smithland, divide it into 21 pools.

Boat ramps, launches and bait shops

Detailed ramp, bait shop and lock-and-dam listings for the Ohio River are coming soon. Until then, these searches open Google Maps along the river:

Fishing regulations

Check the state agency for river-specific rules, seasons and limits before you fish:

Lakes on or near the Ohio River

Lakes in our guide on or near this river:

Facts from Ohio River (Wikipedia) ↗

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View on interactive map

Zoom and pan on a street, satellite or terrain map to follow the river past roads and towns. Boat ramps, bait shops and locks will be added to this map.