(unnamed)

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(unnamed) flows into Rio Tibagi , which it joins at S 24° 20′ 13″, W 50° 36′ 4″ at OSM node n3789400573, and there 6,216 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• Arroio Uvaranal, which joins it at S 24° 20′ 46″, W 50° 37′ 17″ at OSM node n3737530041, and 11 km of total upstream flows in.
load it's tributaries