IPN Orsay is located on the Orsay campus of "Université Paris-Sud", 25 km south west of Paris, around 30 mn from Paris Denfert-Rochereau station by RER B. The workshop will be held in the building N°100, at the "Salle des Conseils".
To reach IPN, take the RER B either "Orsay-Ville" or "Saint-Rémy les Chevreuse" direction. The current price of single ticket is 4,35 € from Paris. http://www.ratp.fr/en/ratp/c_21879/visiting-paris/
Get off at "Orsay-Ville" station, take the exit for the Faculté des Sciences - Université Paris-Sud on the left under the railways.
Take the first street, rue Georges Clémenceau, and go straight. IPN is one of the first buildings, N°100, on the right in the campus.
Due to the "Vigipirate Plan", all public buildings have to respect strict security rules, thus all access to IPNO are now locked. The list of registered people will be given to the person in charge at the main entrance of IPN to make sure they let you enter even if we are not around.
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