CERN in numbers

Land and sites

  • 625 ha of land made available by the Host States (France 517 ha, Switzerland 108 ha
  • 18 fenced sites covering a surface area of 218 ha (France 169 ha, Switzerland 49 ha)
  • Meyrin site: 79 ha, Prevessin site: 88 ha
  • 23.4 km of fencing

Buildings

  • About 711 buildings of all sizes covering a total footprint of 438 500 m2
  • About 258 barracks (huts, modular buildings and maritime containers)

Underground works

  • 398 underground structures including 51 shafts
  • 144 service galleries of total length 17.2 km
  • About 57 km of tunnel

Roads and green spaces

  • 46 km of roads covering a total area of 656 000 m2
  • 6 557 parking spaces of all types (including the Globe Car Park)
  • 115 ha of green spaces

Premises (rooms)

  • 1282 floors (excluding roofs and underground)
  • About 17 260 premises (excluding roofs and underground) covering a total surface of 655 000 m2

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