Spiral Tunnels

The Big Hill on the Canadian Pacific Railway main line in British Columbia, Canada, was the most difficult piece of railway track on the CPR's route. It was in the rugged Canadian Rockies west of the Continental Divide of the Americas and Kicking Horse Pass. Even though the Big Hill was replaced by the Spiral Tunnels in 1909, the area has long been a challenge to the operation of trains and remains so to this day.

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Wikimedia, Wikidata
Big Hill
helical tunnel, spiral, railway tunnel, Canadian Pacific Kansas City, Q16, 

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Location: 51.4273, -116.416, KML, Cluster Map, Maps,
2 places

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  Walcott Quarry ⓘ
  Quarry in British Columbia, Canada

• 

  Spiral Tunnels ⓘ
  railway tunnels in British Columbia, Canada

Frameless

Spiral Tunnels 1908 Kodak

Power exits Lower Spiral

KickingHorseModell

Canadian Pacific train crossing spiral tunel

Spiraltunnelxx

Type	Subtype	Date	Description	Notes	Source
site	mine		Walcott Quarry	quarry	Wikidata
site	tunnel		Spiral Tunnels	Canadian Pacific Kansas City, helical tunnel, spiral, railway tunnel	Wikidata
commons	image		Spiral Tunnels 1908 Kodak		Commons
commons	image		Power exits Lower Spiral		Commons
commons	image		KickingHorseModell		Commons
commons	image		Canadian Pacific train crossing spiral tunel		Commons
commons	image		Spiraltunnelxx		Commons