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). How to reach IJCLab
The meeting rooms will be located in buildings 100 and 200 of IJCLab's premises. You can find the list of meeting rooms and their exact location in the link below (blue points on the map).
https://www.ijclab.in2p3.fr/en/ijclab/practical-information/
Building 200
-Amphitheatre Pierre Lehmann (Main Auditorium): https://www.google.com/maps/place/48.699223,2.170714
-Room 101 (first floor): https://www.google.com/maps/place/48.699124,2.170072
-Salle Bleu : https://www.google.com/maps/place/48.699214,2.170532
-Cafeteria : https://www.google.com/maps/place/48.699238,2.171044
Buliding 100
-Amphitheatre Joliot-Curie : https://www.google.com/maps/place/48.69821,2.17745
-Salle des Conseils : https://www.google.com/maps/place/48.698389,2.176168
