A list of local hotels and information about preferential rates is available via https://sce-dep.web.cern.ch/housing/hotels-local-area.
If you are interested to stay in the CERN Hostel, contact directly to book a room. Details about the hostel can be found here. If you are a CERN registered User with a CERN login and password you can book a room online otherwise you can reserve a room via email housing.service@cern.ch or by telephone +41 22 767 4481.
