Saint-Jérôme is a suburban city located about 45 kilometres northwest of Montreal on the Rivière du Nord. It is part of the North Shore sector o…Saint-Jérôme is a suburban city located about 45 kilometres northwest of Montreal on the Rivière du Nord. It is part of the North Shore sector of Greater Montreal. It is a gateway to the Laurentian Mountains and its resorts via the Autoroute des Laurentides.