The Canadian Pacific Railroad constructed the Spiral Tunnel in 1909.  The tunnel reduced the slope and greatly improved the safety and traffic through this difficult terrain.

Spiral Tunnel - Photographer: C. P. Archives - Photo © High Country Colour

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Yoho National Park, British Columbia, Canada

Golden / Crowsnest Tour

Royal Canadian Pacific railroad journey

Yoho National Park

Parks Canada

Canadian Pacific Railway

Spiral Tunnel

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