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 220 ha (France 171 ha, Switzerland 49 ha)
  • Meyrin site: 79 ha, Prevessin site: 85 ha
  • 23.8 km of fencing

Buildings

  • About 653 buildings of all sizes covering a total footprint of 421811 m2
  • About 251 barracks (huts, modular buildings and maritime containers)

Underground works

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

Roads and green spaces

  • 53 km of roads covering a total area of 616 000 m2
  • 6 569 parking spaces of all types (including the Globe Car Park)
  • 113 ha of green spaces

Premises (rooms)

  • 1278 floors (excluding roofs and underground)
  • About 16 879 premises (excluding roofs and underground) covering a total surface of 649 000 m2