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.
ही कॅन्यन (निदरी) ५०,००० चौरस किलोमीटरपर्यंत पसरलेली आहे, म्हणजेच कोस्टा रिका या देशाइतके हिचे क्षेत्र आहे.