What is the largest river in the united states?

Mississippi River is the second largest river in the US, stretching for 2,202 miles. Its source is in the Lake Itasca in Minnesota, and its mouth is the Gulf of Mexico. The River had important navigation value, the reason why various powers such as France, Spain, and Native American Indians fought to control it. read more

The main stems of 38 rivers in the United States are at least 500 miles (800 km) long. The main stem is "the primary downstream segment of a river, as contrasted to its tributaries". The United States Geological Survey (USGS) defines a main-stem segment by listing coordinates for its two end points, called the source and the mouth. read more

LARGEST RIVER IN THE UNITED STATES, IN DISCHARGE, DRAINAGE AREA, OR LENGTH [Of the 32 rivers listed here the 20 largest in three categories-discharge, drainage basin, and length—are ranked from 1 to 20 ; these ranks are shown in parentheses. Abbreviations: ft 3 /s=cubic feet per second; mi 2 =square miles. read more

This is a list of longest rivers in the United States by state. It includes rivers that pass through the state or compose a portion of the state's border, as well as rivers entirely contained within the state. read more