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Cagayan (kägĪˈən, kägäyänˈ) [key], river, c.220 mi (350 km) long, rising in the mountains of central Luzon, Philippines, and flowing N to the Pacific Ocean at Aparri. It is navigable to small oceangoing vessels for c.15 mi (20 km) upstream. Tobacco is the chief crop of the basin.

The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.

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