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 See also List of Quebec provincial highways References External links Provincial Route Map (Courtesy of the Quebec Ministry of Transportation) Route 344 on Google Maps 344 Transport in Repentigny, Quebec Transport in Terrebonne, Quebec