Llullaillaco

Llullaillaco (yōˌyĪyäˈkō) [key], extinct volcano, 22,057 ft (6,723 m) high, on the border of Chile and Argentina. One of the highest peaks in the Andes and perpetually snowcapped, it overlooks a pass used for rail and highway traffic between Chile and Argentina.

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

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