Diefenbunker: Canada's Cold War Museum


Step into history in this once-top secret, four-storey underground bunker.

The Diefenbunker was built during the Cold War as Canada's defence against nuclear attack. Now, you can explore its secrets, stories, and artifacts in this 100,000-square foot museum and national historic site.

This engineering marvel and Cold War time capsule offers one-of-a-kind exhibitions, programs, events, and rental spaces for tourists, students, groups, and businesses. Take a guided or self-guided tour, or challenge yourself and your friends to an escape room!

tours | exhibitions | educational programs | camps | birthday parties | family events | escape rooms

Reserve your tickets today: diefenbunker.ca

  • Hours of Operation : Wednesday to Friday 10 a.m. to 4 p.m.; Saturdays and Sundays 10 a.m. to 3 p.m.
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  • Wheelchair Accessible : Yes

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