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The Ohio River is a 981-mile (1,579 km) long river in the United States. It is located at the boundary of the Midwestern and Southern United States, flowing in a southwesterly direction from western Pennsylvania to its mouth on the Mississippi River at the southern tip of Illinois. It is the third largest river by discharge volume in the United ...
- 981 mi (1,579 km)
- Mississippi River
3 days ago · Show More. Ohio River, major river artery of the east-central United States. Formed by the confluence of the Allegheny and Monongahela rivers at Pittsburgh, it flows northwest out of Pennsylvania, then in a general southwesterly direction to join the Mississippi River at Cairo, Illinois ( see photograph ), after a course of 981 miles (1,579 km).
- The Editors of Encyclopaedia Britannica
Learn where the Ohio River starts and ends, how it flows through five states, and what role it plays in American history and ecology. See a map of the Ohio River basin and its tributaries, and discover its depth, width, and natural settings.
Jul 19, 2021 · The Ohio River is a 1,579km long river in the east-central United States that forms the eastern and the largest tributary of the Mississippi River. It flows through six US states and has a rich history, geology, and ecology. Learn more about its geography, geology, climate, and pollution from this web page.
- Diptarka Ghosh
Dec 30, 2019 · Learn about the history, geography, and significance of the Ohio River, a major North American waterway and part of the Lewis and Clark National Historic Trail. See a map of the river's course and its dams, and explore its role in transportation and commerce.
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Jul 29, 2023 · Ohio River Map. An Ohio River map is a valuable resource that provides essential information about one of the most significant rivers in the United States. The Ohio River stretches approximately 981 miles (1,579 kilometers) and is the largest tributary of the Mississippi River.
Ohio River Major Rivers of the United States Map. Ohio River. Beginning at the junction of the Allegheny and Monongahela Rivers nesr Pittsburgh, Pennsylvania, it runs southwest, ending at the Mississippi River on the Illinois and Missouri borders. It is (980 miles) (1,557 km) in length.
