The Underground City

Beneath Montreal, Canada, lies a sewer system encompassing a combined distance of over 5,000 kilometers. With some sections dating back to 1832, this network offers a unique framework through which one can explore a city and its history.

The following map depicts some of the infrastructure that transfers Montreal's sewage and rainwater and that also encapsulates numerous creeks that formerly flowed at surface level.

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All paths are approximate and have been simplified where required.