page_title: Rocky Mountains
hierarchical_section_title: Rocky Mountains
caption_attribution_description: English&#160;:Valley of the Ten Peaks and Moraine Lake, Banff National Park, Canada. Mountains from left to right: Tonsa (3057 m), Mount Perren (3051 m), Mount Allen (3310 m), Mount Tuzo (3246 m), Deltaform Mountain (3424 m), Neptuak Mountain (3233 m) Francais&#160;: Lac Moraine dans le Parc national Banff, au Canada.
context_page_description: The Rocky Mountains, also known as the Rockies, are a major mountain range in western North America. The Rocky Mountains stretch 3,000 mi in straight-line distance from the northernmost part of British Columbia, in western Canada, to New Mexico in the Southwestern United States. The northern terminus is located in the Liard River area east of the Pacific Coast Ranges, while the southernmost point is near the Albuquerque area adjacent the Rio Grande Basin and north of the Sandia–Manzano Mountain Range. Located within the North American Cordillera, the Rockies are distinct from the Cascade Range and the Sierra Nevada, which all lie farther to the west.
  The Rocky Mountains formed 80 million to 55 million years ago during the Laramide orogeny, in which a number of plates began sliding underneath the North American plate. The angle of subduction was shallow, resulting in a broad belt of mountains running down western North America. Since then, further tectonic activity and erosion by glaciers have sculpted the Rockies into dramatic peaks and valleys. At the end of the last ice age, humans began inhabiting the mountain range.
context_section_description: The Rocky Mountains, also known as the Rockies, are a major mountain range in western North America. The Rocky Mountains stretch 3,000 mi (4,800 km) in straight-line distance from the northernmost part of British Columbia, in western Canada, to New Mexico in the Southwestern United States. The northern terminus is located in the Liard River area east of the Pacific Coast Ranges, while the southernmost point is near the Albuquerque area adjacent the Rio Grande Basin and north of the Sandia–Manzano Mountain Range. Located within the North American Cordillera, the Rockies are distinct from the Cascade Range and the Sierra Nevada, which all lie farther to the west.
  The Rocky Mountains formed 80 million to 55 million years ago during the Laramide orogeny, in which a number of plates began sliding underneath the North American plate. The angle of subduction was shallow, resulting in a broad belt of mountains running down western North America. Since then, further tectonic activity and erosion by glaciers have sculpted the Rockies into dramatic peaks and valleys. At the end of the last ice age, humans began inhabiting the mountain range. After Europeans, such as Sir Alexander Mackenzie, and Americans, such as the Lewis and Clark expedition, began exploring the range, minerals and furs drove the initial economic exploitation of the mountains, although the range itself never experienced a dense population.
  Of the 100 highest peaks in the Rocky Mountains, 78 (including the 30 highest) are located in Colorado, ten in Wyoming, six in New Mexico, three in Montana, and one in Utah. Public parks and forest lands protect much of the mountain range, and they are popular tourist destinations, especially for  hiking, camping, mountaineering, fishing, hunting, mountain biking, skiing, and snowboarding.
caption: Moraine Lake and the Valley of the Ten Peaks, Banff National Park, Alberta
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