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Definition of ROCKY MOUNTAINS
mountains W North America extending from N Alaska SE to New Mexico — see elbert (Mount), robson (Mount)
Variants of ROCKY MOUNTAINS
Rocky Mountains or the Rock·ies\ˈrä-kēz\
Mountain system, western North America. It extends some 3,000 mi (4,800 km) from the Mexican frontier to the Arctic Ocean, through the western U.S. and Canada. The highest peak in the U.S. Rockies is Mount Elbert in Colorado, at 14,433 ft (4,399 m); in the Canadian Rockies it is Mount Robson in British Columbia, at 12,972 ft (3,954 m). The Continental Divide, located in the mountains, separates rivers flowing to the east and to the west. Wildlife includes grizzly bear, brown bear, elk, bighorn sheep, and cougar. The area is rich in deposits of copper, iron ore, silver, gold, lead, zinc, phosphate, potash, and gypsum. Rocky Mountain, Yellowstone, and Grand Teton national parks in the U.S. are major recreational facilities.