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Cordillera O·rien·tal(ôr′ē-ĕn-täl′, ō′ryĕn-)
A discontinuous series of mountain ranges in the Andes lying to the east of the Cordillera Occidental and extending from western Bolivia to northern Colombia. Its highest elevation is Illimani, 6,439 m (21,125 ft), in the Cordillera Real of Bolivia.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Cor•di•lle•ra O•rien•tal(ˌkɔr ðiˈyɛ rɑ ˌɔ ryɛnˈtɑl)
the E ranges of the Andes, in Bolivia, Colombia, and Peru.
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