IJCLab is located on the Université d’Orsay Paris-Sud Campus, 25 kilometers south-west of Paris. The easiest way to reach the Orsay campus is by taking the RER B line to the Orsay-Ville station (35 minutes from Châtelet, around 3.45 Euros for a single ticket and 1 hour from Charles de Gaulle).
From Charles de Gaulle airport
RER station is located at « Roissypole », linked by CDGVAL light rail:
- From Terminal 1: The RER station is not located inside Terminal 1. Take the CDGVAL light rail (5 minutes journey) to « Terminal 3-Roissypole ». CDGVAL station for Terminal 1 is located at level 2;
- From Terminal 2: RER station is underneath Terminal 2, between Terminal 2C/2E and 2D/2F. Go to the rail station by walk (look for « Paris by train » or « Gare » signs) or board free shuttles;
- From Terminal 3: The RER station is not located inside Terminal 3. Look for « Paris by train » signs (follow the signposted footpaths). RER station is 400 meters away from the terminal (5 minutes journey by walk) .
At the RER station, bye a ticket "Ticket Paris Région <> Aéroports" and take the RER B going to Saint-Rémy-lès-Chevreuse (and not to Robinson), getting off at Orsay-Ville. The price for a RER ticket from Roissy-Charles de Gaulle to Orsay-ville is 13 Euros.
From Paris-Orly airport
Buy a tciket "Ticket Paris Région <> Aéroports" and take the Orlyval at the price of 13 Euros (Automatic rail link connecting to RER line B) to the Antony station and then transfer to the RER B going to Saint-Rémy-lès-Chevreuse (and not to Robinson) and get off at Orsay-Ville.
Tips (You will find maps, time tables, etc., about metro and RER here.
Please do not mistake the RER B station « Orsay-Ville » for the Paris metro station « Musée d’Orsay ».
From Train stations in Paris
The main train stations (Gare du Nord, Gare de l’Est and Gare de Lyon are connected to the Metro/RER system going to Orsay-Ville. Ticket price: 2,50 Euros.
From the station RER B « Orsay-Ville » to IJClab (building 100)
Once you arrive at Orsay, stay on the platform and take exit 3
Go down rue de la Chaufferie then turn left onto Avenue Irène et Frédéric Joliot-Curie. The entrance to Bât. 100 will be on your right, opposite the Protontherapy Centre.
By road
If you leave Paris from « Porte d’Italie » or « Porte d’Orléans », take the A6 autoroute in the direction of Lyon ; on the autoroute, after 10 km, follow in the direction of « Bordeaux » ; after another 10km, take the Orsay exit and follow panels to reach Orsay and « Faculté d’Orsay ». After this, look up in a local map to find LAL.
If you leave Paris from « Pont de Sèvres », take the N118 in the direction of « Bordeaux », after 30 km, exit at Orsay. Then, follow « Faculté d’Orsay » or find the RER-B train station « Orsay-Ville ». After this, look up in a local map to find IJCLab.
In principle, going to Orsay from Paris in the morning is « against the flow » : « pros » do the trip in 30 mn ! (Speed is limited to 110 km/h on autoroute, 90 km/h on national roads, 50 km/h in town).
