(unnamed)

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(unnamed) flows into Calancasca , which it joins at N 46° 19′ 23″, E 9° 7′ 8″ at OSM node n3282858293, and there 179 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• Ria de Porton, which joins it at N 46° 19′ 27″, E 9° 7′ 13″ at OSM node n3282858320, and 2 km of total upstream flows in.
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