The Diefenbunker is a four-story, 300 room, 100,000 square foot underground bunker that was meant to house 535 Canadian government officials and military officers in the event of a nuclear war.

Ottawa’s most unique historical site

Shrouded in mystery, the Diefenbunker, nicknamed after then-Prime Minister John Diefenbaker, was designed and built in secrecy during the crest of Cold War fear, between 1959 and 1961.

Tunnel Side


3929 Carp Road, Box 466
Carp, ON K0A 1L0

Tel: 613-839-0007
Toll Free: 1-800-409-1965




Museum Hours: 11:00am – 4:00pm
Box Office Hours: 10:30am – 3:30pm



Adults: $14.00 + HST
Seniors: $13.00 + HST
Students: $10.00 + HST
Youth (6-18): $8.00 + HST
Family rate (2 adults, 5 youth): $40.00 + HST
Children 5 and under are free!

PARKING is always free!


How to get there: