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The Ohio River is a 981-mile-long (1,579 km) 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.
Jul 13, 2024 · 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),
Learn where the Ohio River starts and ends, how it flows through six states, and why it is a major waterway in the United States. Discover the geography, ecology, and history of the Ohio River and its tributaries.
Jul 19, 2021 · Learn about the Ohio River, a 1,579km long river in the east-central United States that flows into the Mississippi River. Discover its sources, tributaries, dams, climate, wildlife, pollution, and historical significance.
Learn about the Ohio River, its length, states, dams, watershed, and impact on wildlife and people. Find out how to donate and get involved in river conservation and education.
It is approximately 981 miles (1,579 km) long and is located in the eastern United States. Flowing through or along the border of six states, its drainage basin encompasses 14 states, including many of the states of the southeastern U.S. through its largest tributary, the Tennessee River.
Learn about the Ohio River, a historical and ecological marvel that flows through six states and supports millions of people and wildlife. Discover its geography, sources, threats, and conservation efforts.
