The Das Tropas River () is a river of Pará state in north-central Brazil. It is a right tributary of the Tapajós River; the mouth is located on the eastern side of the Tapajós about after the Juruena–Teles Pires junction.
The river flows through the Itaituba I National Forest, a sustainable use conservation area established in 1998. The lower part of the river flows through the Mundurucu Indigenous Territory.
See also List of rivers of Pará
References
Brazilian Ministry of Transport