Deux-Montagnes Regional County Municipality

Deux-Montagnes is a regional county municipality in the Laurentides region of Quebec, Canada. It is located immediately north of Laval on the north shore of the Rivière des Mille-Îles and on the north shore of the Lake of Two Mountains. Its seat and largest city is Saint-Eustache.

The municipality has a land area of 242.88 km2 and its population was 102,052 residents as of the 2021 Census.

Subdivisions
There are 7 subdivisions and one native reserve within the RCM:


 * Cities & Towns (3)
 * Deux-Montagnes
 * Sainte-Marthe-sur-le-Lac
 * Saint-Eustache


 * Municipalities (4)
 * Oka
 * Pointe-Calumet
 * Saint-Joseph-du-Lac
 * Saint-Placide


 * Native Reserves (1) (not associated with RCM)
 * Kanesatake Mohawk Reserve

Access Routes
Highways and numbered routes that run through the municipality, including external routes that start or finish at the county border:


 * Autoroutes


 * Principal Highways


 * Secondary Highways


 * External Routes
 * None