THE Copper Canyon is a natural wonder located in the northern Mexico mountain range known as the Sierra Madre Occidental, and it covers approximately 20,000 square miles [50,000 sq km], an area equal to about the size of Costa Rica.
COPPER Canyon, atau Ngarai Copper, adalah suatu keajaiban alam di pegunungan Sierra Madre Occidental, Meksiko sebelah utara, yang luas arealnya kira - kira 5 juta hektar, kurang lebih sama dengan luas Kosta Rika.