The Ψ2 administration strives to reimburse the lodging costs of the invited guests (hotel, apartment and AirBnB are allowed). There are various possibilities for accommodation, either in Orsay or in Paris (30-45 min commute by RER-B). You can either choose the convenience of one of our partner hotels or to organise your lodging yourself. Participants that come with their family are invited to contact us as early as possible to organise their lodging :

Hotels partner of Ψ2

If you choose one of the three following lodging options (two walking distance to IAS and one in Paris) the Ψ2-administration could do the booking and paying directly for you! In this case, please contact

  • Hotel d’Orsay - Orsay
    • 53 chambres
    • 1.4 km from IAS, 17 minutes walk.
    • Located in small village-center with multiple restaurant options and next to the RER station (2 minutes to Orsay and 40 minutes to Paris-center).
  • Residhome La Guyonnerie – Bures-sur-Yvette
    • 146 studios et appartements
    • 1.2 km from IAS, 15 minutes walk.
    • On university campus and 1km to the village center, with a few restaurants and RER station to Paris (Paris-center in 40 minutes).
    • Shuttle service takes you directy to and from the "Le Guichet" RER-B station.
  • “Solar hotel” - Paris
    • Located in the Denfert-Rochereau area.
    • Walking distance to the RER B line
    • 40 minutes commute to the IAS
    • Warning : rooms are with, but also without wifi, please indicate us your preference

Do your own booking

One could also choose to book a lodging – Airbnb permitted. Participants should contact hotels directly to arrange for accommodation. We would then recommend you to choose a location not too far from the RER-line B stations, so the daily commute will not cost too much time.

In this case participants have to pay for their accommodation. They will be reimbursed after the program. We warn you that, depending on the time of the year, rooms could be more expensive than what Ψ2 can reimburse. Please contact us to know what level of reimbursement you are allowed to.

When booking a lodging yourself, to be reimburse properly, please make sure to :

  • Keep the maximum reimbursable amount in mind (including breakfast and daily traffic fares).
  • Save the booking confirmation for reimbursement purposes.
  • Save the invoice for reimbursement purposes.