Rio Iriri

Rio Iriri
Location of the Rio Iriri in South America
Data
location	Brazil
River system	Amazon
Drain over	Rio Xingu  → Amazon  → Atlantic
muzzle	South of Altamira Coordinates: 3 ° 49 ′ 0 ″  S , 52 ° 36 ′ 20 ″  W 3 ° 49 ′ 0 ″  S , 52 ° 36 ′ 20 ″  W
length	about 1300 km
Left tributaries	Rio Curuá

The Rio Iriri is a left tributary of the Rio Xingu in Brazil and about 1,300 km long.

The river has its source in the Serra do Cachimbo mountain range in the north of Mato Grosso near Guarantã do Norte . After that it first flows north. After it has united with its main tributary, the Rio Curuá , its course changes to the east. It flows into the Rio Xingu south of Altamira . The area around the Rio Iriri is sparsely populated. Along the river there are sometimes large clearings that were created by the deforestation of the rainforest.