Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

 Find the latest Coronavirus-related transportation statistics on the BTS COVID-19 landing page.

United States Department of Transportation United States Department of Transportation

Mississippi River Watershed with Major Tributaries and Major Ports

Figure

Map of  Mississippi River system showing major tributaries and major ports

Description:

The Mississippi River is the largest drainage basin in the United States and the second-longest river in North America. It is also the 15th largest river by discharge in the world. This schematic map of the Mississippi and its major tributaries shows the extent of this watershed. Major ports, as defined by the US Army Corps of Engineers (USACE) based on total tonnage, are also shown.