(unnamed)

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(unnamed) flows into Río Uruguay , which it joins at S 30° 55′ 44″, W 57° 54′ 50″ at OSM node n96281793, and there 143,184 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• Arroyo Mandisoví Chico, which joins it at S 30° 54′ 43″, W 57° 56′ 40″ at OSM node n12193652450, and 78 km of total upstream flows in.
load it's tributaries