International River Basin Register (Under construction due to update)

This register lists the world's international river basins, delineated by continent. Includes basin name, total area of basin (sq. km), list of countries associated with basin, area of each country within basin (sq. km) and percent area of each country within basin. Last updated in July 2012.

Africa Map of Basins | Table of Basins
Asia Map of Basins | Table of Basins
Europe Map of Basins | Table of Basins
North America      Map of Basins | Table of Basins
South America Map of Basins | Table of Basins





For a copy of the excel spreadsheet that lists all the countries and country basin units, please download here.

Wide use of electronic and hardcopy versions of data, GIS coverages, and findings produced by the Transboundary Freshwater Dispute Database (TFDD) project is encouraged.  The data, coverages, and findings are not copyrighted, although due credit is appreciated.  Please attach this credit when citing TFDD products:

“Product of the Transboundary Freshwater Dispute Database, College of Earth, Ocean, and Atmospheric Sciences, Oregon State University.  Additional information about the TFDD can be found at: <>.”

If the product is to be used on the web, a hot link to the above address would be appreciated.

For questions, please contact the webmaster.

Collaborating Partners

Collaberating Partners

Home | About Us | Certificate | Data | Research | Publications | Links | Contact Us