Safety rules


Safety is our highest priority at CERN, and the foundation on which our success is built.
Fabiola Gianotti, Director-General of CERN.
Fabiola Gianotti, CERN Director General

For all visitors

No luggage CERN does not allow luggage in guided tours or exhibitions.
No luggage storage facility is available.
No Smoking Smoking is not allowed anywhere at CERN.
No pets Pets are not allowed anywhere at CERN with an exception for guide dogs for visually impaired persons.
Photos allowed Photographs are allowed everywhere provided that third-party rights such as the right of personal portrayal are respected.

For guided tour visitors

Failure to respect any of these rules may lead to the cancellation of your guided tour!

Valid ID required All visitors on guided tours must carry their identity card or passport, which must be valid for entry into both France and Switzerland, and are required to provide their full details: last name, first name, place and date of birth and nationality. More information on what we do with visitors' personal data.
Arrive 20 minutes prior your guided tour You must arrive at the CERN Reception 20 minutes before the starting time of your guided tour.
No high heels or open shoes High-heeled shoes, open-toed shoes, flip-flops and sandals are not permitted.
Accessibility Some areas are not accessible to all visitors (people with reduced mobility, wearers of medical implants or pacemakers, people above or below a certain age, pregnant women, etc.).
Once your visit request has been accepted, please make sure when providing visitor details that you tell us about any accessibility requirements.
We will endeavour to accommodate your needs and propose the most appropriate tour.
A wheelchair is available at Reception if required.
Check also our accessibility page.