(unnamed)

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(unnamed) flows into Rio Negro , which it joins at N 40° 50′ 59″, W 8° 31′ 52″ at OSM node n4071815675, and there 939 m of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• Ribeiro dos Sás, which joins it at N 40° 50′ 59″, W 8° 31′ 51″ at OSM node n4071815679, and 923 m of total upstream flows in.
load it's tributaries