Igapó-Açu River ( is a river of
Amazonas state in north-western
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 ...
.
It is a left tributary of the
Madeira River
The Madeira River ( ) is a major waterway in South America. It is estimated to be in length, while the Madeira-Mamoré is estimated near or in length depending on the measuring party and their methods. The Madeira is the biggest tributary of ...
.
The river flows through the
Purus-Madeira moist forests ecoregion.
See also
*
List of rivers of Amazonas
References
Sources
*
Rivers of Amazonas (Brazilian state)
{{AmazonasBR-river-stub