What Is the Geography of the Ohio River? Key Facts and States Borders Explained

Discover the geography of the Ohio River, its path, bordering states, and its significance for transportation and the region.

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The Ohio River is a significant waterway in the United States, flowing 981 miles from its origins at the confluence of the Allegheny and Monongahela rivers in Pittsburgh, Pennsylvania, to its mouth at the Mississippi River in Cairo, Illinois. It serves as a natural border for several states, including Ohio, Indiana, and Kentucky to the north and West Virginia and Illinois to the south. The river is essential for transportation, water supply, and recreation, making it a critical geographical and economic asset in the region.

FAQs & Answers

  1. Where does the Ohio River start and end? The Ohio River starts at the confluence of the Allegheny and Monongahela rivers in Pittsburgh, Pennsylvania, and flows 981 miles to its mouth at the Mississippi River in Cairo, Illinois.
  2. Which states border the Ohio River? The Ohio River serves as a natural border between Ohio, Indiana, and Kentucky on the north side, and West Virginia and Illinois on the south side.
  3. What is the economic importance of the Ohio River? The Ohio River is vital for transportation, acting as a key waterway for shipping goods, as well as providing water supply and recreational opportunities for the surrounding region.

Watch More

For more insights into major US waterways and their impact on geography and economy, explore our detailed videos on the Mississippi River, Missouri River, and regional river transportation systems.

  1. What is the Geography of the Ohio River? Key Facts and Overview Discover the geography of the Ohio River, its course, states it passes through, and its importance for commerce and ecosystems.
  2. Which Direction Does the Ohio River Flow? Complete Guide Discover the flow direction of the Ohio River from Pittsburgh to the Mississippi, and its significance in the U.S.
  3. How Far South Does the Ohio River Flow? Key Facts and Geography Explained Discover how far south the Ohio River flows, from Pittsburgh to Cairo, Illinois, and its role as a natural state border.
  4. What Makes the Ohio River Unique? Key Facts and Historical Importance Discover the unique features of the Ohio River, its role as a state boundary, key tributary, and historical significance in commerce and exploration.
  5. What is the Largest River That Flows Through Ohio? | Ohio River Facts Discover the largest river flowing through Ohio—the Ohio River—and learn about its significance, path, and role in the region.
  6. What Is the Direction of the Ohio River Watershed Flow? Discover how the Ohio River watershed flows southwest from Pennsylvania to Illinois, draining parts of 15 states and feeding the Mississippi River.