Route 329 is a provincial highway located in the Laurentides and Lanaudière region of Quebec and serves a large portion of the popular touristic area as well as numerous lakes and cottage areas in the Middle and Upper Laurentians. It runs from the junction of Route 148 just east of Lachute and ends 93 kilometers further north at the junction of Route 125 in Saint-Donat just south of Mont-Tremblant National Park.