Saint-Michel–Notre-Dame is a station on line B and line C of the Réseau Express Régional (RER) in Paris. Located in the 5th arrondissement, the station is named after the nearby Saint-Michel area and Notre-Dame Cathedral. The station opened, as Pont Saint-Michel and with platforms on the line that is now RER line C, in 1900. It gained its current name in 1988 with the opening of the line B platforms.