Your mission starts here
Discover what was once classified
The Diefenbunker is Ottawa's immersive history destination, offering a unique day trip experience.
Step inside an impressive four-storey underground Cold War communications headquarters, now a one-of-a-kind museum and national historic site, and uncover the stories hidden beneath the surface.
There is something for everyone to discover, 75 feet underground — 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!
Hours
Regular Hours
SUMMER (June 7 – August 30, 2026)
Open 7 days/week
Monday – Friday: 10:00 a.m. – 4:00 p.m.
Saturday – Sunday: 10:00 a.m. – 3:00 p.m.
SEPTEMBER – MAY
Open 5 days/week
Wednesday – Friday: 10:00 a.m. – 4:00 p.m.
Saturday – Sunday: 10:00 a.m. – 3:00 p.m.
Monday – Tuesday: Closed
The admissions desk closes 30 minutes before the museum closes. Tickets cannot be purchased after this time.
Special Hours & Closures
- August 3 (Civic Holiday): Open 10:00 a.m. to 4:00 p.m.
- September 7 (Labour Day): Closed
- October 12 (Thanksgiving): Closed
- Closed on statutory holidays, unless otherwise listed
- Closed on Mondays and Tuesdays in January – May and September – December, unless otherwise listed
Given our location in rural West Ottawa, the museum occasionally closes due to inclement weather. Any closures will be posted on our website. Ticketholders will be contacted.
Admission
We highly recommend buying your tickets online in advance of your visit to the museum to ensure there are still spots available.
The admissions desk closes 30 minutes before the museum closes. Tickets cannot be purchased after this time.
General Admission*
Adult (18–59): $19.50
Senior (60+): $17.50
Student (18–59): $15.00
Youth (6–17): $13.00
Family Rate (2 Adults, 5 Youth): $55.50
Child 5 and under: Free
Guided Tour - Signature Experience*
Adult (18–59): $25.00
Senior (60+): $23.00
Student (18–59): $20.50
Youth (6–17): $18.50
Family Rate (2 Adults, 5 Youth): $61.00
Child 5 and under: Free
Guided Tour - Extended Experience*
Adult (18–59): $29.00
Senior (60+): $26.00
Student (18–59): $23.00
Youth (6–17): $21.75
Family Rate (2 Adults, 5 Youth): $68.00
Child 5 and under: Free
Have an Annual Pass or Membership? General Admission and Guided Tours are free. Subject to availability.
Visiting with a group? Learn about booking options for large groups or schools.
*Prices exclude taxes and host processing fees. Taxes and fees are calculated at checkout. Ticket sales are final and non-refundable.
Special Rates**
The Diefenbunker is proud to recognize the following programs and groups, each with a unique special rate or discount available. For more information or to confirm your museum tickets using one of these special rates, please contact our team by phone at 613-839-0007 or by email at reservations@diefenbunker.ca.
- Access 2 Card Program (general admission and guided tour)
- Attractions Ontario Reciprocal Program
- CAF Military and Veterans (general admission and guided tour)
- Canadian Museums Association (CMA) Membership
- Canoo (The Institute for Canadian Citizenship)
- CF One
- First Nations, Inuit, Métis individuals (general admission and guided tour)
- Health Care Workers (general admission and guided tour)
- International National Trusts Organisation (INTO) Membership
- National Trust for Canada Membership
- Nunavut Tunngavik Inc. (NTI) Enrolment Card
- Ontario Museum Association (OMA) Membership
- Teachers (general admission and guided tour)
- Visit Ottawa Pass, Ottawa Museums Pass (Ottawa Tourism)
- Diefenbunker General Admission is included with the pass purchase, subject to other listed conditions. Until September 8, 2026, no Child Ottawa Museums Passes are available. Children must pay museum admission separately, unless included under an Adult + Child Visit Ottawa Pass.
**All passes and special rates are subject to their specified conditions, and museum entry is dependent on museum capacity at the time of your visit. Passes and special rates are valid for general admission only, including on special event days, unless otherwise specified. Passes and special rates are non-transferrable and are not valid for guided tours, family rate, group tours, our gift shop, Escape the Diefenbunker, or with other special offers, unless otherwise specified. We highly recommend contacting the museum in advance of your visit to confirm availability and secure your booking. 2026 special event dates: April 4 (Easter at the Bunker); June 6 (Doors Open Ottawa); July 1 (Canada Day); and October 29 through October 31 (Toddlers’ Halloween Hunt).
Guided Tours
Immerse yourself in stories from the past as you tour Canada’s most significant Cold War artifact. Guided tours of this unique facility take visitors through recreated government rooms, living quarters, and areas used for vital communications. Some of the focal points include the Prime Minister’s Suite, the War Cabinet Room, the Medical Centre, and the Bank of Canada Vault.
Guided Tour - Signature Experience*
60-minute, family-friendly tour providing an overview of the Diefenbunker and its history.
English Tours
Monday – Thursday: 11:00 a.m., 1:30 p.m.
Friday – Sunday: 1:30 p.m.
French Tours
Friday – Sunday: 11:00 a.m.
NEW: Guided Tour - Extended Experience*
90-minute, in-depth tour of the Diefenbunker and its history, ideal for history buffs and other curious visitors. Many of our tour guides share their own lived experiences from the Cold War.
English Tours
Monday – Sunday: 10:15 a.m., 12:30 p.m.
*Spots are limited. We highly recommend buying your tickets online in advance of your visit to the museum to ensure there are still spots available.
Visiting with a group?
Learn about our group tour options for large groups or schools.
Free Audio Guide
Navigate the site using our informative Audio Guide, available in 10 languages.
Access the Audio Guide and additional photos, videos, and archival materials on your phone using the Diefenbunker’s free Wi-Fi, or pick up a media player at the Welcome Desk.
If you plan on using your own device, don’t forget your headphones!
Directions and parking
Location
Diefenbunker: Canada's Cold War Museum
3929 Carp Road
Ottawa, Ontario K0A 1L0
Directions (driving)
- Take Highway 417 West to the Carp Road Exit, number 144
- Turn right (North) onto Carp Road
- Drive 8 to 10 minutes to the Village of Carp
- Continue straight through the Village (through the four-way stop) and past the Carp Fairgrounds until the village appears to come to an end
- On the left (West) side of the road you will see a large billboard sign for the Diefenbunker
- Turn left at this sign and continue down the driveway to find parking on your left
- The entrance to the Diefenbunker is through the far gates
The Diefenbunker is unfortunately not accessible by public transit.
Parking
The Diefenbunker offers:
- Free on-site parking
- Designated accessible parking spaces located near the main entrance
- Designated bike racks located by Guard House
- Designated spaces for school and tour buses
Please use caution when walking in the parking lot and walkways when snow and ice are present. Surfaces can become slippery when wet.
Accessibility
We at the Diefenbunker are committed to accommodating your needs to the best of our abilities. We acknowledge that there are pre-existing barriers within our building such as ledges, lips, and stairs that may make it difficult to access some rooms.
We welcome inquiry, feedback, and resources regarding accessibility and accessibility improvement. Please contact our team to let us know how we can accommodate you on your visit.
The museum is mostly accessible.
- A stair lift is available for use by wheelchair users, those with limited mobility, or anyone who is unable to use the stairs fully or partially. The lift cannot be used for strollers — the best way to get around is with a baby carrier.
- A wheelchair is available for use upon request.
- Sensory bags are available for use upon request.
- Service animals are welcome. You may be asked to show acceptable documentation. Pets are not permitted.
- The temperature can fluctuate between different areas of the bunker. We recommend that you wear layers if you are sensitive to temperature changes.
Museum Map
Printed maps are available upon your arrival to the museum.
Click the image of the map below to enlarge it.

Visitor Guidelines
Thank you for helping us protect the integrity of our museum and national historic site.
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Inside the Diefenbunker:
- Food and beverages are not permitted, unless associated with a reservation.
- Pets are not permitted. Service animals supporting a person with a disability are welcome. Learn more.
- Recording video or audio is not permitted. Photographs for personal, non-commercial use are welcome. Learn more.
- Using flash is not permitted.
- Smoking and vaping are not permitted.
Make a day of it
Planning your trip to the Ottawa area? We've got you covered!
Read our blog post outlining a day-trip itinerary that takes you to the Diefenbunker and points of interest in the surrounding area — including options for food and drink, scenic stops, and unique experiences.
For more information, please call us at 613‑839‑0007 or 1‑800‑409‑1965, or email us at reservations@diefenbunker.ca.