description Purus River Overview
The Purus River is a major tributary of the Amazon, rising in Peru and flowing northeast through western Brazil before joining the Amazon River upstream from Manaus. Its course, commonly estimated at more than 3,000 kilometers, is exceptionally sinuous and includes numerous abandoned channels, floodplain lakes, and seasonally inundated forests. The river is navigable over long stretches and supports communities, fisheries, and ecosystems within the western Amazon basin.
help Purus River FAQ
Where does the Purus River begin?
The Purus rises in Peru and flows northeast through western Brazil. It eventually joins the Amazon River upstream from Manaus.
How long is the Purus River?
The river is commonly estimated at more than 3,000 kilometers long. Its exact measured length varies because the channel is extremely winding and includes abandoned bends.
Why is the Purus River so sinuous?
The Purus flows across low-lying Amazonian floodplains where the channel can curve, migrate, and leave behind abandoned meanders. This creates one of the most winding large-river courses in the Amazon basin.
Does the Purus River have an important tributary?
The Acre River is one of the Purus basin's notable tributaries and flows through parts of Brazil, Peru, and Bolivia. The wider basin supports floodplain forests and many communities that depend on river transport.
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