Ice age era caves found beneath the Canadian city of Montreal


When you think of a city, you usually think of the surface, crossed by streets and full of buildings. However, you often do not think about what happens below the surface. What happens if you discover that there is a large network of hidden caves beneath your city? That's what the residents of Montreal learned; a network of caves has been found beneath the great Canadian city.

The Pie-XII Park is located within the central core of Montreal and the surroundings are typically urban. There is already a well-known cave below the park, called San Leon cave. However, most residents of Montreal were not even aware of the existence of this cave. The cave was discovered in 1812, but speleologists (experts in caves) have believed that there was more in this cave.

The location of St. Léonard, where the caves are in Montreal. Image credits: Chicoutimi.

Québec speleologists Daniel Caron and Luc Le Blanc wanted to find the pbadages of the caves they thought existed. They started searching in 2014. Using a radiolocation kit and a divining rod, they went through the caves in search of empty spaces or a water sign. A year later, they found a small opening in the back of one of the caves. They clicked on a small camera and saw a large camera behind the wall. The walls of the cave are made of solid limestone and were very difficult to penetrate. The speleologists had to drill with a drill of industrial strength, so they could only access the caves on October 12 th this year.

An example of a limestone cave with stalactites. Image credits: Andrew McMillan.

The caves extend almost 700 feet and include a large chamber, a steep drop and a room. The wall was made of smooth limestone and stalactites and stalagmites lined the pbadage. These caves were formed in the last Ice Age as the glaciers receded, creating fissures in the ground. The caves can be extended even more; the cavers will explore more in the spring.

Now there really is an adequate underground city below Montreal, not just interconnected shopping centers.

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