Former Secret Government Bunker Up For Sale

If you need to conduct strange inter-dimensional portal experiments you might be interested to know that listed on and MLS as a “DND antennae yard and underground bunker” a once top secret government facility site can be yours for just $4.5million. This includes 550acres of surrounding land and strewn relics of what’s left of a filled in bunker below the ground.

Once a top-secret military installation during the Cold War, the now well-known “Diefenbunker” in Carp, Ontario was built as part of Prime Minister John Diefenbaker’s “Continuity of Government” plan to protect various members of government during a nuclear attack. Many of these once-secret Emergency Government Facilities were constructed across Canada, the largest of them being the Carp bunker, built 40km outside of downtown Ottawa. But, there was another one…

Construction of the “Diefenbunker” in Carp, Ontario. (Image: West Carleton Online File Photo)

The Carp bunker is just one of 50 that were reportedly built, and the only one of these formerly TOP SECRET facilities open to the public. I was curious to know if any other Cold War bunkers could still exist here in the National Capital region. Upon detailed research and an expedition to a remote location it was revealed that indeed another bunker certainly does exist, sealed with concrete in a desolate, unassuming field west of Ottawa.

This is a second, smaller bunker built west of Ottawa in case of a direct nuclear strike on the famous “Carp Diefenbunker”. This smaller second bunker was an underground military facility that housed a radio communications transmitter station that was connected to Carp over a distance of 50 kilometres by a buried landline.

An unassuming hill in a desolate field is where a sealed Cold War nuclear bunker lurks beneath the ground.

Constructed in the same manner as the Carp bunker but at half of the size, it was two story underground complex that housed military personnel that operated radio transmitters. Like its bigger brother in Carp, it contained its own power generation, a mess hall, barracks, administrative offices, and a fallout decontamination unit. Operational from 1962 until 1994, this bunker remains quietly out of sight west of Ottawa, lost in the shadow of its grander counterpart in Carp.

Studying current satellite images of remote areas west of Ottawa and comparing them to research notes on a possible location, an unusual feature became visible: an angled and perfectly square shape surrounded by an assortment of dots and other odd details. Being in a remote area, and centred in an empty field about 2 kilometres from the nearest road, this was a likely site for our second bunker.

Sealed with poured concrete, this is likely an entry hatch into the secret government facility.

Unlike Carp’s Diefenbunker which was situated within a small town, this feature was completely remote and would require a substantial drive into the facility from the road. Packing some gear I headed to the target location to try and confirm if this area was indeed the second and lesser-known Diefenbunker.

Heading out on a spring day to investigate, we soon found an illegible weathered plywood sign denoted an entrance to something down an overgrown asphalt road. After a 2 kilometre hike down this crumbing road lined with rusted wire fencing, the remnants of an parking lot became visible. This parking lot in the middle of a desolate field was a compelling clue that this was likely the site of our secret nuclear bunker.

Remains of a concrete foundation, probably for some kind of radio communication tower.

Passing a variety of odd ruins that included transmitter cables, anchor pads, and other electronic equipment strewn about led to a feature confirming this was the second bunker location. A mound of earth approximately 100 ft square and 15 feet high with sealed hatch ports, concrete entrance walls and old ventilation shafts.

Old cables and other bunker junk litter the site, long been abandoned for future archaeologists to discover.

Climbing to the top of the mound, the former hatches and vent ports were clearly visible, all of which have been filled and sealed with concrete. A concrete side entrance, similar to the Carp bunker was also visible but it too has been filled in with earth and only its top portion remains exposed.

A group of concrete structures above the government bunker that lies beneath.

Completely wiped clean by the military once it was decommissioned, some traces of its secret past remain, such as the large transmitter tower installation pads and building foundation ruins. Hatch lids, anchor braces, and even cables quietly lie undisturbed in this remote field that once was a secret operational underground military facility for over 30 years.

A sketch of how the government bunker facility may have looked when it was in operation until 1994.

Below the mound and hatches would have been a 2 story bunker complex, similar to the one in Carp but only at half the height. It still would have contained all the equipment and necessities for personnel to continue military and government communications during a nuclear attack. An unusual length of piled earth led to what looked to be a containment reservoir for water, with its irrigation and pumping equipment silently rusting away in the 20 years it has been abandoned.

Sealed up and silent and now for sale, this remote second bunker buried beneath the ground continues to be shrouded secrecy, whose adversary is no longer the blast of a nuclear bomb, but the encroaching elements of nature that will one day consume this relic of our Cold War past, or maybe someone will make it into a nice cottage retreat.

Andrew King, Jan.30, 2023


From author’s originally published artcile in the Ottawa Citizen, May 2015


  1. The Diefenbunker was a fascinating and eerie place when I and my friend Mark first got a look inside. I think it must have been around 1997-98. We had gone there just to look at the site, it had been decommissioned and was closed to the public. We could see some structures in the distance and Mark noticed an opening in the fence.”Hey do ya wanna sneak in like we used to do in other places when we were kids ?” said Mark. I was not in favour of such an intrusion as we were now in our early 40s. Anyway we slid in to the grounds through an opening in the wire and were wandering toward what looked like air vents, when the side of a small hill began to open up…We stood there staring at what seems to be grass on a door that was opening…..We were surprised to see a woman on the other side and she was a little shocked to see us standing there inside an off limits government property. She told us that it would be open as a museum sometime in the future, but not now as they were just getting started, and we would have to leave….After some fast talking by Mark “My friend here is a member of the Toronto Aerospace Museum and he’d like to come in and have a look around”. (I was just staring at him, amazed at his nerve, but to my disbelief, Katherine H. let us in!). After warning us to be careful as it was dark inside and had water on the floor in some places, we were led down into a semi dark netherworld with flickering lights. We were introduced to a man named Peter, who use to work there, in the office area which was one of the few areas that were well lit. The Diefenbunker “Canada’s Cold War Museum is now, after many years of restoration and acquisition of rare and valuable artifacts, safe, well lit and open to the public and well worth a visit, (I returned with my wife after Canada Day 2017 and on one of the walls is a board describing where most of the Government bunkers were) but I will never forget my first visit to what once was a dark, mysterious and a bit creepy place….I almost got lost coming back from a washroom while trying to locate Mark and our guide Peter, from the echoing sounds of their voices in this labyrinth of dim tunnels deep within the earth.

  2. Very cool stuff ! Thanks for posting the story of the other bunker near Ottawa Andrew. There was one at Edenvale,Ont as well from when it was auxiliary airfield for Camp Borden. Its now empty

Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s