affluent
Wealth is the abundance of valuable financial assets or physical possessions which can be converted into a form that can be used for transactions. This includes the core meaning as held in the originating Old English word , which is from an ...
river
A river is a natural stream of fresh water that flows on land or inside Subterranean river, caves towards another body of water at a lower elevation, such as an ocean, lake, or another river. A river may run dry before reaching the end of ...
Purus River
The Purus River (Portuguese: ''Rio Purus''; Spanish: ''Río Purús'') is a tributary of the Amazon River in South America. Its drainage basin is , and the mean annual discharge is . The river shares its name with the Alto Purús National Park a ...
. The Juruá emerges from
highland
Highlands or uplands are areas of high elevation such as a mountainous region, elevated mountainous plateau or high hills. Generally, ''upland'' refers to a range of hills, typically from up to , while ''highland'' is usually reserved for range ...
s in east-central
Peru
Peru, officially the Republic of Peru, is a country in western South America. It is bordered in the north by Ecuador and Colombia, in the east by Brazil, in the southeast by Bolivia, in the south by Chile, and in the south and west by the Pac ...
, then winds its way through lowlands in
Brazil
Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...
, sharing with this the bottom of the immense inland Amazon depression; and having all the characteristics of the Purus as regards curvature, sluggishness and general features of the low, half-flooded
forest
A forest is an ecosystem characterized by a dense ecological community, community of trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, ...
country it traverses.
For most of its length, the river flows through the Purus várzea ecoregion.
This is surrounded by the Juruá-Purus moist forests ecoregion.
The Juruá rises among the Ucayali highlands, and is navigable and unobstructed for a distance of above its junction with the Amazon. It has a total length of approximately , and is one of the longest tributaries of the Amazon.
The Médio Juruá Extractive Reserve, created in 1997, is on the left bank of the river as it meanders in a generally northeast direction through the municipality of Carauari.
The lower Juruá River forms the western boundary of the Baixo Juruá Extractive Reserve, created in 2001. Since 2018, the lower portion of the river in Brazil has been designated a protected
Ramsar site
A Ramsar site is a wetland site designated to be of international importance under the Ramsar Convention,8 ha (O)
*** Permanent 8 ha (P)
*** Seasonal Intermittent < 8 ha(Ts)
**