- From PARIS and CHARLES-DE-GAULLE AIRPORT to SAINT-RÉMY-LÈS-CHEVREUSE:
RER B southbound, stop at "LE GUICHET" station and walk to the bus station, take bus n°9 to SACLAY, stop at "L’ORME DES MERISIERS".
Or RER B southbound to Massy-Palaiseau, then take bus n°91-06 (on your right when you go outside Massy RER B station - 50m walking) DIRECTION to SAINT-QUENTIN GARE, stop at “L’ORME DES MERISIERS”.
By car :
The INSTN is located approximately 25km from Paris, on the outskirts of the CEA centre at Saclay.
GPS coordinates (latitude-longitude): N 48°43.441’ - E 2°09.287’
From Paris - Porte de Saint Cloud
Take the Porte de Saint-Cloud and follow directions for “Bordeaux”.
Cross the Pont de Sèvres and follow the N118 in the direction of “Bordeaux”.
Exit at junction 8 “Toussus-le-Noble / Saclay / Saint-Quentin”.
At the "Christ de Saclay" roundabout, take the N306 in the direction of “Saint-Aubin / Gif-sur-Yvette / Chevreuse”.
Turn right at the next roundabout.
From Orly airport
Join the A106 in the direction of “Paris”.
Take to A86 to “Fresnes / Versailles”.
Exit at junction 30 “Bièvres / Le Petit Clamart / Igny / Clamart”.
Join the N118, in the direction of “Saclay”.
Exit at junction 8 “Toussus-le-Noble / Saclay / Saint-Quentin”.
At the "Christ de Saclay" roundabout, take the N306 in the direction of “Saint-Aubin / Gif-sur-Yvette / Chevreuse”.
Turn right at the next roundabout.
Public transport:
Châtelet or Denfert-Rochereau to Saclay
At either Châtelet or Denfert-Rochereau RER metro stations, take the RER B to "Saint-Rémy-lès-Chevreuse" and get off at "Le Guichet" station (25-33 min travel time). Next, take the No. 9 bus and get off at the “CEA RN 306” bus-stop (17 min travel time), located on the N306 on a roundabout 200 metres from the INSTN.
View Bus line 9 timetable
Orly Ouest to Saclay
At Orly, take the Orly Val to the “Antony” RER B metro station. Change to the RER B line in the direction of “Saint-Rémy-lès-Chevreuse”. Get off at “Le Guichet” station and take the No. 9 bus as indicated above.
Massy-Palaiseau station to Saclay
At Massy-Palaiseau station (RER B or C), take bus No. 91-06 B or 91-06 C (Massy - Saint Quentin) which goes to the “Plateau de Saclay”). Get off at the “CEA RN 306” bus-stop (20 min travel time) on a roundabout 200 metres from the INSTN.
View Bus line No. 91-06 timetable
Map of Massy-Palaiseau station and the Atlantis bus station: download
- From ORLY AIRPORT:
Take the ORLYVAL train, stop at ANTONY, and get on the RER B southbound (same as above).
Or take the BUS n°91.10 to Christ / N306, Saclay, stop at “L’ORME DES MERISIERS". It takes 1 hour and the service ends at 9 PM.
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