Cantumayo (possibly from Quechua qantu, qantus, qantuta a plant (Cantua buxifolia), mayu river,) is a river in Peru located in the Arequipa Region, Caylloma Province, Coporaque District. It originates in the Chila mountain range southeast of the mountain Mismi. Its direction is mainly to the south where it meets Colca River as a right affluent. The confluence is north of the town Coporaque.
The mountain Mismi as seen from the southeast near the lake Limacota. The Cantumayo valley is visible on the right side.
- Teofilo Laime Ajacopa, Diccionario Bilingüe Iskay simipi yuyayk'ancha, La Paz, 2007 (Quechua-Spanish dictionary)
- escale.minedu.gob.pe - UGEL map of the Caylloma Province (2) (Arequipa Region)
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