tributary
A tributary, or affluent, is a stream or river that flows into a larger stream or main stem (or parent) river or a lake. A tributary does not flow directly into a sea or ocean. Tributaries and the main stem river drain the surrounding drainage ...
of the
Canumã River
Canumã River ( pt, Rio Canumã) is a river in the Amazonas state in north-western Brazil. It is located east of the Madeira River and runs roughly parallel to it. It flows into the Paraná Urariá shortly before merging into the Madeira River (t ...
Brazil
Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...