Mount Callaghan

Mount Callaghan
Mount Callaghan
	East aspect, seen from Rainbow Mountain
Highest point
Elevation	2,409 m (7,904 ft)
Prominence	914 m (2,999 ft)
Listing	List of volcanoes in Canada
Coordinates	50°13′40″N 123°15′58″W
Geography
	Mount Callaghan Location in SW British Columbia
Location	British Columbia, Canada
District	New Westminster Land District
Parent range	Pacific Ranges
Topo map	NTS 92J3 Brandywine Falls
Geology
Volcanic arc/belt	Canadian Cascade Arc Garibaldi Volcanic Belt

Mount Callaghan is a volcanic peak located east of the headwaters of the Squamish River,^[2] just northeast of the Powder Mountain Icefield and just south of the Pemberton Icefield in the Sea to Sky Country of southwestern British Columbia, Canada, about 20 km directly west of the Resort Municipality of Whistler. A crack was observed across Callaghan's summit in the spring of 1999. In 2000, a section of the summit collapsed.^[1] Callaghan Lake lies below the south face of the mountain.

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Based on the Köppen climate classification, Mount Callaghan is located in the marine west coast climate zone of western North America.^[3] Most weather fronts originate in the Pacific Ocean, and travel east toward the Coast Mountains where they are forced upward by the range (orographic lift), causing them to drop their moisture in the form of rain or snowfall. As a result, the Coast Mountains experience high precipitation, especially during the winter months in the form of snowfall. Winter temperatures can drop below −20 °C with wind chill factors below −30 °C. The months July through September offer the most favorable weather for climbing Mount Callaghan.