Connaught Tunnel is under the Selkirk Mountains' Mount Macdonald.
The 5.022 mi tunnel carries the Canadian Pacific Railway main line under Mount Macdonald and replaced the railway 's previous routing over Rogers Pass , which had been struck by several deadly avalanches since its completion in 1885.
Mount Macdonald is a mountain peak located in the Selkirk Mountains of British Columbia , Canada , immediately to the east of Rogers Pass in Glacier National Park.
