Hello how may I help you? what river is the city of Montreal on? Sure thing, let me check that for you. Montreal is on the Saint Lawrence river. are there any other rivers near Montreal? Yes, there is also the St-Louis river near Montreal. how many people are currently living in Montreal? The population of Montreal is currently 4,098,927. what is the main language spoken in Montreal? French is the main language spoken in Montreal great, thank you for all the info No problem.