The Amazon River begins high in the Andes Mountains of Peru. The river and its tributaries flow some 4,000 miles (6,400 kilometers) to the Atlantic Ocean through Venezuela, Ecuador, Colombia, Bolivia, and Brazil; by far the largest portion is in Brazil.
One of the 8 Natural Wonders of the World, the Amazon Rainforest, South America. An extensive forest covering most of the Amazon Basin, is spread across 8 different countries and covers over 5.5 million km sq. Home to proliferate wildlife and nearly-extinct primitive tribes, the Amazon Rainforest is the largest and most species-rich tropical rainforest in the world.