
Open for discovery
Explore this summer’s most immersive attraction in Ottawa.
The Diefenbunker is a hidden gem, offering a unique day trip experience.
Step into history, inside an impressive four-storey underground Cold War communications headquarters, now a one-of-a-kind museum and national historic site.
There is something for everyone to discover — adventure on a guided tour, learn from engaging exhibitions, or challenge your family and friends to an escape room.

Plan your visit to Canada's Cold War Museum
We're pleased to welcome you underground!
For more information, please call us at 613‑839‑0007 or 1‑800‑409‑1965, or email us at reservations@diefenbunker.ca.
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