How to reach IJCLab
From the airport
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 4 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, 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 around 14 Euros.
From Orly airport
Take the Orlyval at the price of 12,05 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 Paris, you must buy a ticket specifically for « Orsay-Ville ». A Paris metro ticket is not sufficient !.
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. Consult the preceding paragraph for fares (coupons etc).
By road from Paris
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).
At Orsay
From the station RER B « Orsay-Ville » :
The venue is located in the building 100A on the campus ("1" pink dot on the plan below, right side). Leave the station at the third exit (Rue de la Chaufferie) and walk down Rue de la Chaufferie on your right until the intersection. You will have to cross the road on to your left then again once the footpath ends. The main entrance of the building is then on your left ; you can also access directly to the auditorium if you enter through the parking on your right.
