Les Laurentides (, The Laurentians) is a regional county municipality in the Laurentides region of Quebec, Canada. The seat is in Mont-Blanc. It is named after the Laurentian Mountains.
The population was 50,777 according to the 2021 Canadian Census.
There are 20 subdivisions within the RCM:
Highways and numbered routes that run through the municipality, including external routes that start or finish at the county border:
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