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Abuna River
On the right is the Abuna River, on the left is the Madeira River
Mouth in Bolivia
Location
Country	Bolivia, Brazil
Region	Pando Department
Physical characteristics
Mouth	Madeira River
• coordinates	9°40′18″S 65°26′47″W / 9.67167°S 65.44639°W / -9.67167; -65.44639
Length	500 km (310 mi)

The Abuna River (Spanish: Río Abuná, Portuguese: Rio Abunã) is a river in South America. As a part of the Amazon Basin, it forms part of the border between northern Bolivia and north-western Brazil.

The river has a total length of 375 kilometres (233 mi). It originates in several streams east of the Cordillera Oriental of the Peruvian Andes. The river is navigable for circa 320 kilometres (200 mi) in its lower northeastern part. At Manoa it joins the Río Madeira, a tributary of the Amazon. Opposite the river mouth is the town of Abunã on the Brazilian side of the confluence.

References

1. Ziesler, R.; Ardizzone, G.D. (1979). "Amazon River System". The Inland waters of Latin America. Food and Agriculture Organization of the United Nations. ISBN 92-5-000780-9. Archived from the original on 21 October 2013.

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• Rivers of Acre (state)
• Rivers of Rondônia
• Bolivia–Brazil border
• International rivers of South America
• Rivers of Pando Department
• Border rivers
• Bolivia geography stubs
• Bolivia river stubs
• Brazil river stubs
• Acre (state) geography stubs
• Rondônia river stubs