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Doors Open Ottawa
June 7
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By reservation only, the Diefenbunker: Canada’s Cold War Museum will be opening its blast doors to visitors for FREE for Doors Open Ottawa on Saturday, June 7, 2025.
Book your tickets for a free Highlights Tour, which will cover key areas in the Diefenbunker like the Blast Tunnel, the War Cabinet Room, and the Prime Minister’s Suite — ideal for first-time visitors to the museum! Tours will last approximately 30 minutes.
Stay tuned for more details.