
Montreal's RESO Underground City + Downtown Tour by MTL Detours
Montreal’s chilly winters mean inhabitants have long found creative ways of getting around the cold—and that includes the RÉSO. The most extensive underground pedestrian network in the world, it stretches for over 20 miles (32 kilometers)—and this tour makes exploring simple. This includes some outdoor portions where you can see points of interest in the heart of downtown Montreal. Meet your guide in the city center and explore the maze of tunnels and passageways, and learn about its history.
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