Lucumayo

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Lucumayo flows into Rio alto Madre de Dios , which it joins at S 12° 46′ 50″, W 71° 23′ 20″ at OSM node n9287184488, and there 1,317 km of total upstream flows in. load it's distributaries

Lucumayo has 2 tributaries.

• Piedras Negras, which joins it at S 12° 46′ 54″, W 71° 23′ 35″ at OSM node n9557307509, and 1 km of total upstream flows in.
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• Lucumayo Alto, which joins it at S 12° 46′ 54″, W 71° 23′ 40″ at OSM node n9557382767, and 787 m of total upstream flows in.
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