Peru , officially the Republic of Peru , is a country in western South America. It is bordered on the north by Ecuador and Colombia, on the east by Brazil, on the southeast by Bolivia, on the south by Chile, and on the west by the Pacific Ocean.... :
The Huallaga River is a tributary of the Mara??n River, part of the Amazon Basin. Old names for this river include Guallaga and Rio de los Motilones....
