What country lies in the southern hemisphere and contains one of worlds largest rivers?

The country that lies in the Southern Hemisphere and contains one of the world's largest rivers is Brazil. The Amazon River, the second longest river in the world, flows through Brazil. It is home to some of the most diverse ecosystems on Earth, including the Amazon rainforest, the largest rainforest in the world. Brazil also has other major rivers, such as the Paraná, São Francisco, and Tocantins rivers.