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The Morona River is a tributary to the Marañón River in Peru and Ecuador, and flows parallel to the Pastaza River and immediately to the west of it, and is the last stream of any importance on the northern side of the Amazon before reaching the Pongo de Manseriche.

It is formed from a multitude of water-courses which descend the slopes of the Ecuadorian Andes south of the gigantic volcano of Sangay; but it soon reaches the plain, which commences where it receives its Cusulima branch. The Morona is navigable for small craft for about 300 miles above its mouth, but it is extremely tortuous. Canoes may ascend many of its branches, especially the Cusuhma and the Miazal, the latter almost to the base of Sangay. The Morona has been the scene of many rude explorations, with the hope of finding it serviceable as a commercial route between the inter-Andean tableland of Ecuador and the Amazon river.

In 2016, a large oil spill from Petroperú's pipeline contaminated the Morona and Chiriaco rivers.

References

1. ^ Perú: Anuario de Estadistícas Ambientales 2022 (PDF). 2022.
2. Ziesler, R.; Ardizzone, G.D. (1979). "Amazon River System". The Inland waters of Latin America. Food and Agriculture Organization of the United Nations. ISBN 92-5-000780-9. Archived from the original on 8 November 2014.
3. ^ "Evaluación de recursos hídricos en la cuenca Marañón". 2015.
4. "Peru oil spill pollutes Amazon rivers used by indigenous group". BBC News. 23 February 2016. Retrieved 27 June 2024.
5. Wyre Davies (15 March 2016). "Indigenous community in Peru suffers after oil spill". BBC News. Retrieved 27 June 2024.

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