Hotels in the valley, within walking distance of the RER B station:
Hotel d’Orsay: Located in the town of Orsay. Approximately 79 to 85 euros per person, per night. 53 rooms. Located in a small village-centre with multiple restaurant options and is next to the RER station (2 minutes by train to Orsay and 40 minutes to central Paris). Website: www.orsay-hotel.com
To catch public transport from the Hotel d'Orsay to the Institute Pascal building: Catch the 'Optile' bus line number 7 from the 'Gare d'Orsay-l'Yvette' bus stop and get off at the bus stop called 'Bois de Rames'. From there it is just a 2 minute walk to the institute. For more information about this route click here.
To walk from the Hotel d'Orsay to the Institut Pascal building: Head south on rue François Leroux toward allée du Coteau, then turn right onto rue de Verdun, then continue onto rue de Chevreuse, then turn right onto rue du Doyen Joseph Pères, then turn slightly right at rue du Doyen Joseph Pères, then turn left onto rue du Belvédère, then turn right onto rue André Rivière. Here is a map of this walk.
Residhome La Guyonnerie: In the nearby town of Bures-sur-Yvette. Approximately 70 to 120 euros per person, per night. 146 studios/apartments equipped with kitchens and a 24/7 reception desk. 1km from the centre of Orsay, with a few restaurants and the RER station (trains run approximately every 12 minutes and will bring you to central Paris in 40 minutes). There are also two supermarkets and ATMs within ten minutes walking distance.
To catch public transport from this hotel to the Intsitut Pascal building, catch the RER B train from either Bures-sur-Yvette or La Hacquinière RER train station in the direction of Paris and then get of at the station Orsay-Ville. From there, you can walk to stop of bus number 7 and catch this bus to 'De Broglie' bus stop. From the 'De Broglie' bus stop it is just a 2 minute walk to the building. Please click here for further information about this route.
To walk from this hotel to the institute: Head east on Rue de la Guyonnerie, then turn left after 34m, then turn right after 110m, then take a slight left after 600m metres, then turn left toward rue du Belvédère, then turn right onto rue André Rivière Here is a map of this walk
Hôtel Campanile Paris-Saclay
Address: 9 ter, rue Joliot Curie, 91192 Gif sur Yvette
This hotel is within walking distance of the Institut Pascal building
Here is a map of the walk: