This document provides information about the major rivers of the Amazon River system, including their lengths and countries they flow through. It lists the longest rivers, such as the Amazon River, Purus River, and Madeira River. The document also mentions some tributaries and canals connected to the Amazon River system.

22. Sources: All of the pictures come from Google images and all the information comes from Grokker.com. Special Thanks: Again thank you for this awesome project.