Tigre River
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The Río Tigre is a river in north-eastern Peru, a tributary of the left Amazonian river Marañón source.
It arises on the Ecuadorian- Peruvian border from the springing in Ecuador headwaters Cunambo and Pintoyacu and then flows in a south-easterly direction towards the Marañón, which 65 km below the confluence of the Río Tigre with the Ucayali to the Amazon joins.