The Javary River, Javari River or Yavarí River ( es, Río Yavarí, links=no; pt, Rio Javari, links=no) is a

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 drai ...

of the

Amazon Amazon most often refers to: * Amazons, a tribe of female warriors in Greek mythology * Amazon rainforest, a rainforest covering most of the Amazon basin * Amazon River, in South America * Amazon (company), an American multinational technolog ...

that forms the boundary between Brazil and

Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = National seal , national_motto = "Firm and Happy f ...

for more than . It is navigable by

canoe A canoe is a lightweight narrow water vessel, typically pointed at both ends and open on top, propelled by one or more seated or kneeling paddlers facing the direction of travel and using a single-bladed paddle. In British English, the ter ...

for from above its mouth to its source in the

Ucayali The Ucayali River ( es, Río Ucayali, ) is the main headstream of the Amazon River. It rises about north of Lake Titicaca, in the Arequipa region of Peru and becomes the Amazon at the confluence of the Marañón close to Nauta city. The city ...

highlands, but only 260 were found suitable for steam navigation. The Brazilian Boundary Commission ascended it in 1866 to the junction of the Shino with its Jaquirana branch. The country it traverses in its extremely sinuous course is very level, similar in character to that of the Juruá. There are a number of small private reserves along the river, which arrange wildlife viewing. The town of

Benjamin Constant Henri-Benjamin Constant de Rebecque (; 25 October 1767 – 8 December 1830), or simply Benjamin Constant, was a Franco-Swiss political thinker, activist and writer on political theory and religion. A committed republican from 1795, he backed t ...

lies at the mouth of the river, on the Brazilian bank.

References

Tributaries of the Amazon River Rivers of Peru Rivers of Acre (state) Rivers of Amazonas (Brazilian state) Brazil–Peru border International rivers of South America Rivers of Ucayali Region {{Peru-river-stub