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• A prominently east-west running river, the Ohio River runs for nearly 1,000 miles and is the Mississippi River's largest tributary, meaning it does not directly connect with an ocean.

• Fast Facts

  1. 981 miles long
  2. Watershed covers 189,422 square miles in 14 [United States|states]]
  3. Divided free and slave states during the Civil War
  4. Major transportation route in the expansion of the west
  5. Has both a humid subtropical and humid continental climate
  6. Home of the world record blue catfish, at 104 pounds

• Ohio River Path

  The river starts in the east and Pittsburgh and forms the border of southern Ohio and north-western West Virginia. The river turns north-west at the corners of Ohio, West Virginia and Kentucky. It continues west across southern Indiana and runs into the Mississippi River at the southern tip of Illinois.

• Cities on the River

  Though Pittsburgh is the largest metropolitan area adjacent to the river, Louisville, Kentucky, sits at the river's deepest and widest points, where it is nearly a mile wide. Since 1988, Cincinnati has held an annual festival called Tall Stacks, which celebrates the city's riverboats and Ohio River heritage.

• Related Mahalo Pages

  Rivers | Missouri River | Mississippi River | Tennessee River | Alleghany River | West Virginia | Pennsylvania | Ohio | Indiana | Illinois | Kentucky | US Waterways | American Rivers | Pittsburgh, Pennsyvania | Cincinnati, Ohio | Louisville, Kentucky | Evansville, Indiana | Cairo, Illinois

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