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Master Plan > Part 1 > Chapter 2 > 2.7 > Objectif 19 > Action 19.1 - 3/5
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The Saint-Michel Environmental Complex

The former Miron quarry was used as a landfill site for almost 30 years and was then considered to be the second largest of its kind in North America.

The Ville de Montréal terminated landfill operations at the quarry in 1994 and created the Saint-Michel Environmental Complex which is organized around three major purposes: the headquarters of the Cirque du Soleil and facilities and the big top for the Cité des arts du cirque, the development of an applied environmental rehabilitation research laboratory and the establishment of a large urban park.

To this end, the City has invested nearly $8.5 million since 1995 for the establishment of the large 192-hectare park. The City is currently continuing environmental rehabilitation work at the site in order to create spaces for recreational activities.


Out of a total of six quarries in Montréal’s territory, the Lafarge quarry is the only one remaining in operation. The quarry and its surroundings have been subjected to a number of plans and measures to mitigate nuisances. The other five quarries are now used for other purposes.

The former Meloche quarry in the Borough of Pierrefonds—Senneville is used as a waste disposal site. The quarry in the Borough of Kirkland is currently split between a western half used for industrial purposes and an eastern half used as a recreational site.

The Ville de Montréal owns the Saint-Michel Environmental Complex, where certain non-putrescible landfill operations still take place. This site, whose edges are already a park, is being developed as a metropolitan park.

The Ville de Montréal also owns the former Francon and Demix quarries. The former, located in the Borough of Villeray – Saint-Michel – Parc-Extension serves as a snow disposal site. The latter, located in the Borough of Rivière-des-Prairies – Pointe-aux-Trembles – Montréal-Est, is used to bury ashes produced by sludge incineration at the City’s wastewater treatment plant.

Areas in and around these former quarries present significant land-use restrictions. Once filled, they may cave in or experience other geotechnical problems.

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