Igapó-Açu River
Igapó-Açu River (Portuguese: Rio Igapó-Açu is a river of Amazonas state in north-western Brazil.
It is a left tributary of the Madeira River.
The river flows through the Purus-Madeira moist forests ecoregion.
The river flows through the Purus-Madeira moist forests ecoregion.