Diefenbunker: Canada's Cold War Museum


Descend into history, 75 feet underground.

The Diefenbunker: Canada’s Cold War Museum, a once-top secret, four-storey underground bunker, was originally designed as the centre for Canada’s defence against nuclear attack during the Cold War. Now a museum and national historic site preserving and promoting Canada’s Cold War history, the Diefenbunker and its stories play a crucial role in helping us to understand our past and build our collective future.

Step into history and explore secrets, stories, and artifacts inside this 100,000-square-foot museum. 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!

Guided Tours | Exhibitions| Escape Rooms | Educational Programs | Spy Camp | Birthday Parties | Rentals

Reserve your tickets today: diefenbunker.ca

  • Hours of Operation : Monday to Tuesday 10 a.m. to 4 p.m. (July & August 2023 only); 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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