Llullaillaco

Llullaillaco yo͞oˌyīyäˈkō [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 © 2024, Columbia University Press. All rights reserved.

See more Encyclopedia articles on: Latin American and Caribbean Physical Geography