From the Gare de Lyon:
Metro line 5 to Jacques Bonsergent station (20 min)
From the Gare de l’Est:
A 6-minute walk
From the Gare Saint Lazare:
Metro line 9 to Strasbourg-St-Denis station (22 min)
From the Gare du Nord:
An 11-minute walk or Metro line 4 to Château d’Eau station (8 min)