Nature
Seven Sisters Mountain is a prominent 2,591-metre summit in Alberta’s Crowsnest Pass, notable for the seven towers and pinnacles that define its silhouette. Long known as The Steeples before its present name was officially adopted in 1978, it was first recorded as climbed in 1951 by Bruno Engler. Rising steeply above nearby creek valleys, it stands out as a dramatic landmark near the Continental Divide. Its limestone and shale formed in shallow seas during the Late Devonian to Early Mississippian, and its present shape reflects the Lewis Overthrust and later erosion, which left it and Crowsnest Mountain as an isolated klippe.
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Alberta · Canada
