May 1, 2023 · Explore the Mississippi Ohio River Confluence, where two mighty rivers merge. Uncover the ecological, historical, and geological wonders of this unique spot!

This aerial view shows islands in the Mississippi River constructed from dredged sand by the U.S. Army Corps of Engineers as part of the Upper Mississippi River Restoration Program. These islands help enhance the river’s aquatic ecosystem.

Feb 11, 2024 · The Mississippi-Ohio River confluence covers roughly 19,000 square miles of territory and includes parts of Arkansas, Missouri, Illinois, Kentucky, Tennessee, and Mississippi. It is located just south of the Illinois-Kentucky border and is part of an evolving ecological region with generous access to navigable waterways.

Jan 5, 2024 · The Ohio River meets the Mississippi River at Cairo, Illinois, known as the Ohio-Mississippi Confluence. The natural gradient of the two rivers is such that the Ohio River is nearly level with the Mississippi River near Cairo.

This is a park about WATER! The Ohio River drains — what, most of the eastern third of the United States? The Upper Mississippi and the Missouri drain from Minnesota to Montana to Saskatchewan to Alberta to Colorado to Kansas. And all this water flows into the Gulf of Mexico at the Mississippi Delta.

Jan 9, 2025 · Mississippi River, the longest river of North America, draining with its major tributaries an area of approximately 1.2 million square miles (3.1 million square km), or about one-eighth of the entire continent. The Mississippi River lies entirely within the United States.

Oct 20, 2023 · This is where the Ohio River empties into the Mississippi and forms the most powerful river in North America. The Ohio is the largest tributary of the Mississippi, with an average discharge rate of 208,000 cu ft/sec.

Feb 22, 2018 · Mississippi (south) and Ohio (north) confluence – Cairo, Illinois. The image above has been sensed during this winter and shows the confluence between the Mississippi (southern stream) and Ohio river (northern) just south of Cairo, Illinois.

Nov 28, 2021 · Fort Defiance Park, where the Mississippi and Ohio rivers converge. Fort Defiance Park in Cairo, Illinois, marks one of the world’s most important river confluences – the Ohio and Mississippi. On a typical day, 4.4 million gallons of water merge at Fort Defiance every second.

The Mississippi River is known as the Middle Mississippi from the Upper Mississippi River's confluence with the Missouri River at St. Louis, Missouri, for 190 miles (310 km) to its confluence with the Ohio River at Cairo, Illinois.