The AMAZON River is the second-longest river in the world, with a length of 6, 400 km. It is located in South America and is the largest river by discharge volume of water in the world. The AMAZON River originates in the Andes Mountains in Peru and flows through Brazil, Bolivia, Colombia, Ecuador, and Venezuela before emptying into the Atlantic Ocean. It is home to a wide variety of wildlife, including over 3, 000 species of fish.