United States Rivers Water Flows Map

The United States Rivers Water Flows Map Shows That The Country has over 250,000 rivers. Those Rivers provide drinking water, irrigation water, transportation, electrical power, drainage, food, and recreation. The main stems of 38 rivers in the United States are at least 500 miles (800 km) long.

According to the River Map of the USA, The longest river in the USA is the Missouri River; it is a tributary of the Mississippi River and is 2,540 miles long. But the biggest in terms of water volume is the deeper Mississippi River.

Seven Major Rivers of the USA cross or form international boundaries. The Yukon and Columbia rivers begin in Canada and flow into the United States.

The Milk and Saint Lawrence rivers and the Red River of the North—begin in the United States and flow into Canada. From this 3 rivers, only the Milk River crosses the international border twice, leaving and then re-entering the United States. Colorado and the Rio Grande river begin in the United States and flow into or from a border with Mexico.

United States Rivers Map

United States Rivers Water Flows Map

River Length (km) Length (miles) Drainage area (km²) Outflow Countries in the drainage basin
Missouri River 3,767 2,341 1,300,000 Mississippi River USA
Mississippi River 3,734 2,320 2,981,076 Gulf of Mexico USA
Colorado River 2,334 1,450 637,137 Gulf of California USA, Mexico
Columbia River 2,000 1,243 668,000 Pacific Ocean USA, Canada
Ohio River 1,579 981 528,100 Mississippi River USA
Arkansas River 2,364 1,469 435,123 Mississippi River USA
Snake River 1,735 1,078 278,450 Columbia River USA
Saint Lawrence River 1,197 744 1,344,200 Gulf of St. Lawrence USA, Canada
Rio Grande 3,051 1,896 471,900 Gulf of Mexico USA, Mexico
Yukon River 3,190 1,982 854,700 Berin Sea USA, Canada


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