Saint-Sauveur is a town and municipality within the Les Pays-d'en-Haut Regional County Municipality, Quebec, Canada. It is in the administr…Saint-Sauveur is a town and municipality within the Les Pays-d'en-Haut Regional County Municipality, Quebec, Canada. It is in the administrative region of Laurentides in the Laurentian Mountains, located about 60 kilometres north of Montreal.