(unnamed)

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(unnamed) flows into Río Paraná , which it joins at S 27° 26′ 33″, W 55° 43′ 56″ at OSM node n255803385, and there 118,988 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• Arroyo Anselmo, which joins it at S 27° 27′ 8″, W 55° 43′ 24″ at OSM node n6016432272, and 5 km of total upstream flows in.
load it's tributaries