Montparnasse — Bienvenüe (French pronunciation: [mɔ̃paʁnas bjɛ̃vəny]) is a station of the Paris Métro which is a transfer point between lines 4, 6, 12 and 13. It is the third-busiest station on the metro system in Montparnasse at the intersection of the 6th, 14th and 15th arrondissements.