The Columbia Encyclopedia, Sixth Edition. 2001-07.
Javari
(zhvr´) (KEY) , Span. Yavarí, river, c.500 mi (805 km) long, rising in the Cerro de Canchyuaya, E Peru. It flows northeast, forming part of the boundary between Brazil and Peru, before entering the Amazon near Tabatinga. It is navigable for most of its length.