The Best Western Plus Paris Saclay hosts seminars, study days, residential meetings, weddings and private parties in Saclay, in the Essonne department, between Paris and Versailles. The hotel offers five themed seminar rooms from 8 to 90 people, a 292 m² reception hall for up to 150 guests, a lounge terrace for 80 and the restaurant Les Belles Lettres. Together, restaurant, rooms and terrace can receive up to 300 people.
Seminars and company events
The hotel presents its seminar offer as a concept built with a consultancy firm, with each room designed around a working mood. The Collection room, inspired by fashion, seats 16 in a U shape, 18 in a block layout, 35 theatre style and 18 classroom style. It suits workshops and brainstorming sessions. The Millésime room is the smallest and the most formal, with leather armchairs and a central table for 8 to 10 people, aimed at management committees and decision meetings.
The Domaine room, close to the grounds of the Château d'HEC, takes up to 20 in a U shape, 22 in a block layout, 40 theatre style and 20 classroom style. The Altitude room offers the same figures as Collection: 16 in a U shape, 18 in a block layout, 35 theatre and 18 classroom, and it is presented for sales meetings and strategy workshops. The Knowledge room is the largest, intended for training, conferences and presentations, with 32 people in a U shape, 40 in a block layout and 90 theatre style.
The hotel also sells residential seminar and study day packages. It stands next to the HEC campus, in the Paris-Saclay science and technology area, which makes it a practical base for groups with business in the cluster. The venue promises a quote within 24 hours.
Weddings and receptions
For weddings, birthdays, galas, communions and christenings, the hotel uses the Les Pensées hall. It measures 292 m² and holds up to 150 people. It comes with a dance floor, a video projector, a microphone and speakers, and a terrace can be privatized with it. The lounge terrace, with lounge and restaurant areas, receives up to 80 people for cocktails, receptions or a seated lunch. Two in-house wedding planners, Ons and Nora, handle the program, from the reception to the cake and menu, and can introduce partner suppliers. For other private events, the official page lists options such as private hire, a stage, a sound system and a video projector.
Rooms and capacities
Seminar rooms range from 8 to 90 people, depending on layout. The reception hall reaches 150, and the whole complex up to 300 with the restaurant and terrace. Confirm the layout and the neighbouring rooms you need when you request dates.
Accommodation
The hotel lists standard, family and executive rooms and suites. It offers free high-speed Wi-Fi, a sauna and fitness room, a 24-hour multilingual reception, access for guests with reduced mobility, electric vehicle charging points and a car park. The number of bedrooms is not given on the pages read.
Catering
The restaurant Les Belles Lettres serves creative, seasonal cuisine with a plant-based approach. Its chef builds menus for events: brunch, terrace cocktails, barbecue, finger buffet, themed menus and gala dinners. A large tree-lined terrace overlooks the fields.
Getting there
The hotel is at 2 route d'Orsay, 91400 Saclay. It lies 20 km from Orly airport, 6 km from Versailles and about 30 minutes from central Paris, at a junction of major roads. Parking is available on site.





