Generally, private visits to LHC experiments need to be booked by a member of the CERN personnel.

2024/5 YETS schedule: https://edms.cern.ch/document/3074458

2025 LHC schedule: https://edms.cern.ch/document/2873506

Point 1: ATLAS

https://atlas-secretariat.web.cern.ch/atlas-underground-visits

  • Underground visits possible 9−20 December and 10 January to 7 March

Point 2: ALICE

https://alice-collaboration.web.cern.ch/general/alice_visits.html

  • Underground visits possible 25 November (14:00) to 27 March (12:00).

Point 5: CMS

https://cms.cern/interact-with-cms/on-site-visits

Point 8: LHCb

https://lhcb-outreach.web.cern.ch/visiting-lhcb-at-pit-8/

  • Underground visits start 9th December and stop 23rd March
  • No visits during CERN annual closure 21 Dec to 5 Jan
  • See the calendar to check timeslots

Map of CERN accelerators

2010 general surface map