how big is the large hadron collider

Question: how big is the large hadron collider
- Keywords:
  cern,
  lhc,
  size
Asked by spicertruscott to Mario on 12 Mar 2012.
- Mario Campanelli answered on 12 Mar 2012:
  
  a bit less than 27 km, buried 100m underground. The detectors, that tell us what happened in the collisions, are located in caverns, the largest of which is 50m long and 30m high

Question: how big is the large hadron collider