Iaco River on:
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Iaco River is a river of 
Brazilian Ministry of Transport
Rivers of Acre (state) Rivers of Amazonas (Brazilian state) {{AmazonasBR-river-stub
Acre
The acre ( ) is a Unit of measurement, unit of land area used in the Imperial units, British imperial and the United States customary units#Area, United States customary systems. It is traditionally defined as the area of one Chain (unit), ch ...
and Amazonas states in 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 ...
.
See also
* List of rivers of Acre *List of rivers of Amazonas (Brazilian state)
A list of rivers in Amazonas ( Brazilian state).
The list is arranged by drainage basin, with respective tributaries indented under each larger stream's name and ordered from downstream to upstream. Amazonas is located entirely within the Amazon ...
References
Brazilian Ministry of Transport
Rivers of Acre (state) Rivers of Amazonas (Brazilian state) {{AmazonasBR-river-stub