(unnamed)

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(unnamed) flows into Río Madre de Dios , which it joins at S 11° 59′ 33″, W 68° 3′ 9″ at OSM node n3216178384, and there 10,879 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• Arroyo Junin, which joins it at S 11° 57′ 31″, W 68° 2′ 58″ at OSM node n3216177488, and 9 km of total upstream flows in.
load it's tributaries