Contact information

+41 (0)22 767 76 76

European Organization for Nuclear Research CERN, 1, Esplanade des particules, CH-1211 Genève 23, Switzerland

Organisation Européenne pour la Recherche Nucléaire, F-01631 CERN Cedex, France

Reception opening hours

  • Monday - Friday from 8am to 5:45pm
  • Saturday from 8:30am to 5:15pm

If you want to visit during officials French and Swiss holidays, it should be better to phone before in order to check if CERN is opened.

Yearly CERN closure 2019/2020

  • CERN and permanent exhibitions will be closed from Saturday 21 December 2019 to Sunday 5 January 2020 inclusive
    Exhibitions will be closed as from Friday 20th December 2019 as from 4:30 pm
    CERN Shop will be closed as from Friday 20th December 2019 as from 12:00 pm

Special CERN closures in 2019

  • From Friday 19 April 2019 to Monday 22nd April 2018 inclusive (Easter week-end)
  • Wednesday 1st May 2019 (1st May)
  • Thursday 30th May 2019 (Ascension day)
  • Monday 10th June 2019 (Whit Monday)
  • Thursday 5th September 2019 ("Jeûne genevois")
  • Open Days disturbances:
    • No individual tours 12-16 September
    • Microcosm closed 13-16 September
    • Registration mandatory 14-15 September

How to get to CERN

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