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The Coca River is a river in eastern Ecuador. It is a tributary of the Napo River. The two rivers join in the city of Puerto Francisco de Orellana. The Payamino River also merges into the Napo River in the city, but at a point about 1.5 km (0.93 mi) upstream from the Coca–Napo confluence.
Río Coca in Puerto Francisco de Orellana