Route 347 is a provincial highway located in the Lanaudière region of Quebec. The 97-kilometer highway runs from Sainte-Geneviève-de-Berthier at the junction of Route 158 north of Autoroute 40 and ends in Notre-Dame-de-la-Merci at the junction of Route 125. In Saint-Gabriel-de-Brandon, it overlaps Route 348 while between north of Saint-Jean-de-Matha and Saint-Émélie-de-L'Énergie it overlaps Route 131.