Quebec Route 344

Route 344 is an east/west highway on the north shore of the Ottawa River in Quebec, Canada. Its western terminus is in Grenville-sur-la-Rouge at the junction of Autoroute 50, and its eastern terminus is in L'Assomption at the junction of Route 343. It follows the Ottawa River from Grenville-sur-la-Rouge to Saint-André-d'Argenteuil, where it follows the Lac des Deux Montagnes until Deux-Montagnes, where it follows the Rivière des Mille Îles until Repentigny, where it follows the Rivière l'Assomption until L'Assomption.

Municipalities along Route 344

 * Grenville-sur-la-Rouge
 * Grenville
 * Brownsburg-Chatham
 * Saint-André-d'Argenteuil
 * Saint-Placide
 * Kanesatake
 * Oka
 * Saint-Joseph-du-Lac
 * Pointe-Calumet
 * Sainte-Marthe-sur-le-Lac
 * Deux-Montagnes
 * Saint-Eustache
 * Boisbriand
 * Rosemère
 * Lorraine
 * Bois-des-Filion
 * Terrebonne
 * Charlemagne
 * Repentigny (Le Gardeur)
 * L'Assomption