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Diefenbunker: Canada’s Cold War Museum

The Diefenbunker is Canada’s most significant surviving Cold War artifact — it is an impressive four-storey underground facility that operated as the country’s central communications headquarters during the Cold War, ready at any moment in case of a nuclear attack. Today, it is a one-of-a-kind museum and national historic site, telling stories of national and international importance.

Through award-winning exhibitions, tours, programs, events, and escape rooms, the museum offers an important platform to spark meaningful conversations, collaborations, and connections in response to our changing world. Located in Canada’s capital, the Diefenbunker is a remarkable immersive history destination, preserving important Canadian Cold War stories and artifacts and welcoming visitors from all around the world.

Descend into history, 75 feet underground. Explore educational exhibitions, connect with Cold War history, and discover unforgettable experiences.

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

Admission Information


  • Open Wednesday through Friday from 10:00 a.m. to 4:00 p.m.
  • Open Saturday through Sunday from 10:00 a.m. to 3:00 p.m.
  • June through August 2024 only: Open Monday through Tuesday from 10:00 a.m. to 4:00 p.m.

Parking is always free! Upon your arrival, please proceed through the main entrance of the museum and down the Blast Tunnel to check in or purchase your tickets inside at the Welcome Desk.


General Admission

  • Adult (18+): $18.50
  • Senior (60+):  $17.00
  • Student (18+): $14.00
  • Youth (6–17): $12.00
  • Family Rate (2 Adults, 5 Youth): $49.50
  • Child 5 and under: Free

Guided Tour

  • Adult (18+): $20.00
  • Senior (60+):  $19.50
  • Student (18+): $15.50
  • Youth (6–17): $13.50
  • Family Rate (2 Adults, 5 Youth): $51.00
  • Child 5 and under: Free



Plan Your Visit

We highly recommend buying your tickets in advance of your visit to the museum to ensure there are still spots available.



Phone: 613-839-0007

Address: 3929 Carp Rd, Ottawa, ON K0A 1L0