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Officially known as Mount John Laurie, Yamnuska is the popular name for this mountain to the west of Calgary, Alberta, Canada. Credit: Wikimedian Chuck Szmurlo.


A very high hill; an elevation of the earth’s surface that stands high above its surroundings. A connected group of mountains is called a mountain range or a mountain chain. The Himalayas, the Alps, the Andes and the Rockies are big mountain ranges. There are even longer and higher mountain ranges beneath the sea.