Explore a Real Cold War Bunker 75 Feet Underground
Immersive guided tours, family spy camps, theatrical performances, and a free summer shuttle from downtown Ottawa.
Featured Tours & Experiences
Guided tours, Spy Camp, family events, special performances and membership options for every visitor.
About Diefenbunker: Canada’s Cold War Museum
Diefenbunker: Canada’s Cold War Museum in Ottawa, Ontario preserves one of Canada’s most significant Cold War artifacts and offers immersive public programs that bring underground history to life. The museum operates self-guided and guided experiences including general admission, flexible ticketing, free parking, and a complimentary shuttle between downtown Ottawa and the site for summer 2025. Visitors can explore museum exhibits at their own pace or join scheduled guided tours and group tours, with some group options allowing individual payments.
Educational programs include Spy Camp for children aged 5 to 10, featuring disguise techniques, codebreaking, and Cold War technology, plus a Counsellor‑in‑Training (CIT) leadership program for youth aged 12 to 15. Birthday parties for children aged 7 to 12 provide spy‑themed missions and hands‑on activities. Seasonal events include a Toddlers’ Halloween Hunt and theatrical performances such as “Dief the Chief: October ’62,” a one‑hour show set 75 feet underground starring actor Pierre Brault.
The museum supports ongoing engagement through an Annual Pass offering year‑round access and the monthly e‑newsletter News from Underground. The Cold War Speaker Series delivers virtual expert talks with advance registration. Facilities feature visitor conveniences such as free parking and a new summer shuttle connecting the Canadian War Museum and the Diefenbunker from July 10 to September 21, 2025. With clear ticketing options and a range of family and educational programs, the Diefenbunker provides a secure, documented setting for learning about Cold War history. Operating as a museum facility, it preserves artifacts, archives, and educational resources for researchers.
Reserve an Underground Experience
Book guided tours, Spy Camp, birthday parties, or the summer shuttle—secure tickets for an unforgettable Cold War visit.