Arinos River

Arinos River
Country	Brazil
State	Mato Grosso
Mouth	Juruena River
- coordinates	10°24′49″S 58°19′50″W / 10.41361°S 58.33056°W / -10.41361; -58.33056Coordinates: 10°24′49″S 58°19′50″W / 10.41361°S 58.33056°W / -10.41361; -58.33056
Length	680 km (423 mi)
The Arinos (highlighted in turquoise) empties into the Juruena (pink)

The Arinos River is a river in Brazil. It is located east of, and empties into, the Juruena River. Some of the Suyá Indians, a Gê-speaking people of central Brazil, migrated from the state of Maranhão to this river.