Access to Orsay - Le Guichet
CSNSM is located on Orsay Paris-Sud’s university campus, about 25km south-west from Paris. Campus is accessible from Paris, by the RER B, Le Guichet station (35 minutes from Châtelet). Pay attention that not all RER stop here!!!- From Roissy airport :
Take RER B towards Saint-Rémy-lès-Chevreuse. One train every 15 minutes. Get out at Le Guichet station. - From Orly airport :
Go to Antony station via Orlyval train, then take RER B towards Saint-Rémy-lès-Chevreuse, until Le Guichet station. - From Paris-Gare de Lyon :
Take RER A to Saint-Germain-en-Laye. Change at Châtelet and take RER B towards Saint-Rémy-lès-Chevreuse until Le Guichet station. - From Paris by car :
Take motorway A6/A10 by Porte d’Orléans, or N118 from Pont de Sèvres. Get out at Orsay Ville.