Museum Closure Notice: October 14, 28, 29 and November 4

Please note: the museum will not be open for regular tours or visits on the following days:

October 14, 28, 29 and November 4.

We’re being invaded by zombies on these days. Click below to book tickets for

The Haunted Walk’s Incident at the Bunker: A Zombie Adventure!

Ottawa’s Most Unique Historical Site

The Diefenbunker is a four-story, 100,000 square foot underground bunker, built between 1959 and 1961. During the Cold War it was intended to house 535 Canadian government officials and military officers in the event of a nuclear war. It served as Canadian Forces Station Carp until 1994.

For years it protected us from 75 feet underground and we knew virtually nothing about it. Today, it operates as a not-for-profit, charitable museum and boasts award winning tours and programs.

Visit us to experience how close we came to a nuclear disaster. A lot has changed since 1961. There is no other museum like the Diefenbunker – we promise! Visit us for a tour!

What’s On and Coming Up

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Whisky Tasting Fundraiser – Canada 150 Edition
Saturday November 18, 2017
Whisky, eh? For our 6th annual Whisky Tasting Fundraiser, we’re celebrating Canada’s 150th birthday!!! Join us for a multisensory experience, with 5 different CANADIAN whiskies with 5 epicurean food pairings. Canada is home to some exquisite whiskys that you will want to add to your reserve! More details…

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Incident at the Bunker: A Zombie Adventure
October 14, 28, 29 and November 4
This Halloween season, the Diefenbunker will once again partner with The Haunted Walk of Ottawa to present, Incident at the Bunker: A Zombie Adventure. Guests will be led on an interactive adventure with the undead, deep inside the labyrinth that is the Cold War Museum. This unique Halloween experience is a perfect combination of storytelling, interactive challenges, unexpected surprises and of course…zombies. Get tickets…

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Bunker Buddies Halloween Hunt
Tuesday October 31, 10:30 – 3pm
Come dressed up in your favourite costume. Discover spooky (and cute) ghosts and monsters throughout the museum to collect treats.
There’s plenty of open space to run around and have fun in the Bunker. Feel free to bring a lunch and eat in our cafeteria! More details…

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2018 Artist-in-Residence Call for Applications

The Museum welcomes one artist per year for a period of 3 to 6 months. The program is open to artists working in all media living within a 100 km of Ottawa. Works produced through the residency must have a connection to the Diefenbunker, the Cold War or related themes. More details…

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Escape the Diefenbunker
The Diefenbunker and Escape Manor have partnered to bring you the World’s Largest Escape Room! The experience runs Thursday through Sunday evenings and resides within our 100,000 square foot facility. Staying true to our historic roots, this elaborate endeavor is themed around espionage… Read more!