Beneath The Streets Of Montreal: A City Built Underground
What Is Montreal’s Underground City: Beneath the busy streets of Montreal lies one of the most impressive urban systems in the world. Known as RESO, this underground network stretches about 20 miles, or 32 kilometers, linking shopping centers, office towers, hotels, metro stations, universities, and entertainment venues. More than 1,600 stores and services operate within this connected space. Rather than being a single tunnel, RESO is a series of interconnected buildings and passageways that allow people to move through large parts of downtown without going outside. It functions as a second city layer designed to make daily life easier, especially during harsh winters.