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‼️ Starting July 15, there will be an interruption on the RER-B line between “La Croix de Berny” and “Massy Palaiseau” due to track repair work. For those staying in Paris, we have organised for a dedicated Interstellar Institute bus - see below.

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The Institut Pascal (IPa) is located on the Université Paris-Saclay campus, on the "Plateau du Moulon", in the "Quartier de la Physique". Its address is 530 Rue André Rivière, 91400 Orsay. The exact location is here

The following map shows the many ways to reach the IPa by public transport.

From Paris

• RER-B Orsay-ville station : bus #7 to Bois des Rames stop (8 min).
• RER-B Le Guichet station : there are two options :
  • walk for 15 min : it is a nice walk but with a steep climb.
  • bus #9 to Université Paris-Saclay stop (5 min) and walk for 10 min
• RER-B Massy-Palaiseau station : bus 91.06 to Université Paris-Saclay stop (20 min) and walk for 10 min
• Interstellar Institute bus (only from July 15 to July 25).

From CEA - Orme des Merisiers

• bus #9 or #91.06 to Université Paris-Saclay stop (5 min) and walk for 10 min
• bus #11 to De Broglie stop (10 min) but this bus runs only every 30 min

From Université Paris-Sud

• bus #7 to Bois des Rames stop (8 min).