The Amazon lowlands are widest together the eastern base of the Andes. They slim towards the east till, downstream of Manaus, just a narrow ribbon of per year flooded plains ( Jugoistočni dio više je neravan, sa složenim masama grebena i planinskih lanaca s vrhuncima do 1200 m. Lanci uključuju https://jdamilcarnq.theobloggers.com