CERN in numbers

Land and sites

  • 625 ha of land made available by the Host States (France 517 ha, Switzerland 108 ha
  • 16 fenced sites covering a surface area of 217 ha (France 168 ha, Switzerland 49 ha)
  • Meyrin site: 79 ha, Prevessin site: 88 ha
  • 23.6 km of fencing

Buildings

  • About 700 buildings of all sizes covering a total footprint of 435 000 m2
  • About 318 barracks (huts, modular buildings and maritime containers)

Underground works

  • 325 underground structures including 50 shafts
  • 160 service galleries of total length 17 km
  • About 59 km of tunnel

Roads and green spaces

  • 30 km of roads covering a total area of 649 000 m2
  • 6 500 parking spaces of all types (including the Globe Car Park)
  • 117 ha of green spaces

Premises (rooms)

  • 1 900 floors
  • About 16 800 premises (excluding underground) covering a total surface of 613 000 m2

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