
CERN Hotel Room Directory
Welcome to the CERN Hotel and its 424 rooms with an ergonomic design in the heart of the CERN site.Within this directory, we have compiled a lot of useful information to ensure a pleasant stay at our Hotel. Every member of our team is committed to making your stay as comfortable and enjoyable as possible. The reception staff is ready to provide detailed information to help your activities for the duration of your stay.
Please let us know if we can be of any further assistance, or indeed, if any aspect of your stay can be improved.
The Housing Service Team
In the following pages, you will find many information related to:
- the hotel: its services, safety procedures, etc.,
- your reservation: booking rules, how to prepare your stay, etc.,
- the surroundings: restaurants nearby, mobility at CERN, etc..
We encourage you to read them throughly, and shall a question arise, please contact our reception team at housing.service@cern.ch or by telephone at +41 22 767 44 81.
Please note that in case of disrespect of the Code of Conduct, fees could be added to the guest’s invoice, and its access to the hotel could be revoked.
Particularly, damage in the room or on the furniture, may lead to additional charges in order to repair / clean / replace the damage done.




Security
- Emergency numbers
- 74444: Fire brigade. Available 24/7, the Fire Brigade’s line is to be called in case of an emergency at CERN. From any phone, dial +41 22 767 4444, the short number 74444 can be used from a CERN internal phone.
- 76666: CSA (Security service). Available 24/7, CSA’s line answers all your security-related questions, such as how to access CERN, noise disturbance during the night, lost property and suspicious or unattended packages, antisocial conduct, criminal acts, suspicious behaviour, etc.
- 74444: Fire brigade. Available 24/7, the Fire Brigade’s line is to be called in case of an emergency at CERN. From any phone, dial +41 22 767 4444, the short number 74444 can be used from a CERN internal phone.
- Emergency phone
- A red phone is located on the ground floor near the elevators, in each of the three hotel buildings. It links directly to the CERN Fire Brigade and triggers an alarm, please use it only in case of emergency. This line is available even in case of power outage or IP network breakdown.
- A red phone is located on the ground floor near the elevators, in each of the three hotel buildings. It links directly to the CERN Fire Brigade and triggers an alarm, please use it only in case of emergency. This line is available even in case of power outage or IP network breakdown.
- Evacuation
- If you were not notified of a scheduled fire drill, please take each audible alarm as an emergency.
- Evacuation plans are located on the back of your bedroom door and in every hallway. Shall the fire alarm sounds, please proceed to the nearest emergency door and to the nearest meeting point.
- If you were not notified of a scheduled fire drill, please take each audible alarm as an emergency.
- Medical service
- Infirmary is located in B57, and open from Monday to Friday from 8am to 12:30pm | from 1:30pm to 5pm (Tel. 73802). In case of emergency, call the Fire Brigade immediatly at 74444.
- Infirmary is located in B57, and open from Monday to Friday from 8am to 12:30pm | from 1:30pm to 5pm (Tel. 73802). In case of emergency, call the Fire Brigade immediatly at 74444.
- Electrical plugs
- If any of the electrical plugs within your room are faulty, please notifiy the reception immediately. You are welcome to use your own appliances, though toasters and other cooking equipment is strictly prohibited.
- If any of the electrical plugs within your room are faulty, please notifiy the reception immediately. You are welcome to use your own appliances, though toasters and other cooking equipment is strictly prohibited.
- In case of blackout
- For any planned electrical or water outage, a maximum of information will be sent by mail as soon as possible.
- During an electrical cut please do not use refrigerators and freezers to ensure the best conservation of the food. Do not try to use kitchenware or laundry machines.
- For any planned electrical or water outage, a maximum of information will be sent by mail as soon as possible.
Environmental Impact
Please allow us to share here a few improvements we made through the years to reduce the environmental impact of the Hotel activity:
- Towels and sheets are not changed everyday,
- Recycling bins are installed in all kitchens,
- Most of the faucets have have been equipped with aerators that reduce the water flow,
- Most of the lights have been replaced with LED.
Protection of the environment being a common effort, please help us, by making yourself at home!
- Turn off the lights before leaving,
- Turn off the heat when you open the window,
- Do not let the water run when you shave, soap, or brush your teeth,
- Report any leaks or abnormalities at the reception,
- Do not dispose of non-flushable hygiene waste in the toilets, please use the bathroom bin.
Your Stay
Checking-in
- Check-in starts at 2pm. If you wish to arrive earlier, please let us know and we will inform you of the possibilities. In any case, you can park your car and store your luggage (for the day only).
- If you arrive after the Reception Desk closure (midnight), your room key will have to be collected at the main entrance B, with the security guard.
During your stay
- Acknowledge all information provided to you by the Hotel staff through display or direct communication. Important information can be transmitted to you, such as works on the premises, information regarding your invoice, etc.
- Report to the Hotel reception any incident you witness in the Hotel premises.
Checking-out
- After check-out, you may store your luggage (for the day only) in the dedicated room next to the reception in B39. Feel free to ask for the key, and please return it.
- Accepted mean of payment are: cash (Swiss Francs only), American Express, Visa, Mastercard, Maestro, Dinners Club,
- Check-out is until 12 noon for individuals, and 11am for groups, any check-out after this time will be charged a one night fee,
- Anticipated check-out is possible and free of charge as long as you inform us before 12 noon on the departure date,
- If your check-out day is on Friday, it is advised to pay the day before to avoid the peak time in the morning. In this case you may drop your key in the key box at the entrance of your building when you leave,
- Every individual person staying at the hostel has to settle the invoice as soon as it reaches CHF 500.-, reminder will be sent (except for groups and summer student with different rules),