Saint-Michel is a station on Line 4 of the Paris Métro in the 5th arrondissement. Located in the Quartier Latin, it offers a connection to the St-Michel - Notre-Dame RER station on RER lines B and C. The platform lengths are 110 metres, longer than the 90–105 metre length of most line 4 station platforms. The station was opened on 9 January 1910 as part of the connecting section of the line under the Seine between Châtelet and Raspail. It is named after the Boulevard Saint-Michel