There are over 1,100 tributaries that flow into the Amazon River. The three longest are the Madeira River(1), Purus River(2) and the Japur River(3).Madeira River
The actual name is The Amazon or as some people refer to it as The Amazon RiverIt's preffered as the Amazon River.
The Amazon river is extremely wide for most of its length, so the potential dam sites are located in its tributaries.
there are 2 waterfalls one is called te diddy dum dom weird i know right
Its over 9000 :)