Diefenbunker, Canada's Cold War Museum

Blast Tunnel

Blast Tunnel


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  • 11-4pm Monday - Sunday Monday - Friday Guided Tours at 11:00am and 2:00pm (EN), Wednesday Visite guidée 2pm (FR) Saturday and Sunday: 11:00am (EN) and 2:00pm (FR & EN) Closed New Year's Day and Christmas Day.
  • Adults $14 plus tax, seniors and students $12.50 plus tax, youth $6.00 plus tax. Children 5 and under are free. Group rates available.
  • Partially Accessible
  • Assistive Listening Systems
  • Elevator
  • Gift Shop
  • Parking
  • Guided Tours
  • Wedding Services
  • Facilities Rental

The Diefenbunker is a four-story, 300 room, 100,000 square foot underground bunker, and was meant to house 535 Canadian government officials and military officers in the event of a nuclear war. Shrouded in mystery, the Diefenbunker, nicknamed after then Prime Minister John Diefenbaker, was designed and built in secrecy during the crest of Cold War fear, between 1959 and 1961. 

Website: www.diefenbunker.ca

Type: Community Museum | Historic Building