Dão

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Dão flows into Rio Dão , which it joins at N 40° 34′ 21″, W 7° 54′ 55″ at OSM node n1071159130, and there 508 km of total upstream flows in. load it's distributaries

Dão has 2 tributaries.

• Rio Dão, which joins it at N 40° 36′ 26″, W 7° 51′ 48″ at OSM node n1082575273, and 497 km of total upstream flows in.
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• Ribeiro de Lourosa de Baixo, which joins it at N 40° 35′ 52″, W 7° 53′ 10″ at OSM node n1080623341, and 3 km of total upstream flows in.
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