This is a map of the <a href="https://en.wikipedia.org/wiki/Amazon_River" class="extiw" title="en:Amazon River">Amazon River</a> drainage basin with the Amazon River highlighted.
<a href="//commons.wikimedia.org/wiki/User:Kmusser" title="User:Kmusser">Kmusser</a>
CC BY-SA 3.0
Own work using <a rel="nofollow" class="external text" href="http://www.maproom.psu.edu/dcw/">Digital Chart of the World</a> and <a rel="nofollow" class="external text" href="https://edc.usgs.gov/products/elevation/gtopo30/gtopo30.html">GTOPO</a> data.