The Javary River, Javari River or Yavarí River ( es, Río Yavarí, links=no; pt, Rio Javari, links=no) is a tributary of the Amazon River, Amazon that forms the boundary between Brazil and Peru for more than . It is navigable by canoe for from above its mouth to its source in the Ucayali highlands, but only 260 were found suitable for steam navigation.
The Brazilian Boundary Commission ascended it in 1866 to the junction of the Shino (river), Shino with its Jaquirana (river), Jaquirana branch. The country it traverses in its extremely sinuous course is very level, similar in character to that of the Juruá River, Juruá.
There are a number of small private reserves along the river, which arrange wildlife viewing.
The town of Benjamin Constant, Amazonas, Benjamin Constant 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
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