Coquihalla Mountain is an extinct stratovolcano in Similkameen Country, southwestern British Columbia, Canada, located south of Falls Lake and west of Tulameen between the Coquihalla and Tulameen rivers. With a topographic prominence of , it towers above adjacent mountain ridges. It is the highest mountain in the Bedded Range of the northern Canadian Cascades with an elevation of and lies near the physiographic boundaries with the Coast Mountains on the west and the Interior Plateau on the east.
Geology Coquihalla Mountain is a major preserved feature in the Miocene age Pemberton Volcanic Belt that was erupting about 21 to 22 million years ago.Cenozoic to Recent plate configurations in the Pacific Basin: Ridge subduction and slab window magmatism in western North AmericaCharacter of volcanism, volcanic hazards, and risk, northern end of the Cascade magmatic arc, British Columbia and Washington State Like the Pemberton Volcanic Belt, Coquihalla Mountain formed as result of Cascadia subduction.
See also Jim Kelly Peak Volcanism of Canada Volcanism of Western Canada List of volcanoes in Canada Garibaldi Volcanic Belt
References
External links
Geology of the Coquihalla Volcanic Complex, southwestern British Columbia