Copper Canyon -- the Barranca del Cobre -- is in northwestern Mexico , in the part of the Sierra Madre Occidental mountain range that lies within the state of Chihuahua .
Mexico
Chihuahua
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Chihuahua
Mexico
/location/administrative_division/country
Mexico
Chihuahua
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LOCATION
Mexico
LOCATION
Sierra Madre Occidental
LOCATION
Chihuahua