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Access by public transport

Plan your route

From Paris or from Roissy Charles de Gaulle Airport :

  • Take the RER B, direction Saint-Rémy-lès-Chevreuse

From Orly Airport :

  • Take the OrlyVal, direction Antony, Antony stop,
    then take RER B towards Saint-Rémy-lès-Chevreuse.

Once in the RER B, there are four possibilities :

Le Guichet RER Station stop (then bus) :

  • Take the underpass, go to the bus station car park located below the railway between the school and the national 118.
  • Take the bus 9, direction Jouy-En-Josas ou Saclay CEPr, De Broglie stop, then walk for 5 minutes through buildings (south).

Guichet Station stop (walk) :

If you come during a period of school holidays, there is no bus. In this case :

  • Take the underpass and continue straight on the Rue de Versailles.
  • Take the second left, rue de la colline with a steep slope.
  • At the top, turn right onto the chemin du Bois des Rames.
  • After 300 meters take left at the parking.
    You are at the University Paris-Sud, Building 504 is two minutes.
    Total duration of walk: 15 minutes.

Orsay - Ville RER station stop (then in bus):

  • Take the underpass towards Faculté des sciences and down the street left into the bus station Orsay l’Yvette
  • Take bus 7, direction Corbeville, Bois des rames stop for the Building 504 or Belvedere stop for the Building 509.

The main building of the laboratory is the number 504 and is located just opposite the bus stop. The second building is number 509 and is located close to the bus stop Belvedere.

Orsay - Ville station stop (walk):

  • Take the underpass towards Faculté des sciences and down the street left into the Campus of the University.
  • Go through the campus following the directions corresponding to buildings 500 to 599 (red).
    Total duration of walk: 20 minutes

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Bus map

Here are the bus informations ligne 7 and 9, the map of the Subway métro and the RER, the campus map and the bus map Mobicaps - Communauté d’Agglomération du Plateau de Saclay and its timetables horaires.