(unnamed)

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(unnamed) flows into Rio Alva , which it joins at N 40° 18′ 0″, W 7° 53′ 25″ at OSM node n10031806786, and there 678 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• Barroca da Trancana, which joins it at N 40° 17′ 47″, W 7° 53′ 20″ at OSM node n10031806776, and 608 m of total upstream flows in.
load it's tributaries