Visiting a drill site

Nagra offers guided tours for groups of at least ten people: These include presentations and a visit to the exhibit at the drill site's information centre.

The observation platform on top of the information centre is open 24/7 and can be visited without prior registration.

Registration for guided tours

Please register for your visit with Anita Joray (see box for contact details).


Would you like to visit the exhibit without prior registration? On the following days, a Nagra staff member is available on site to provide information:

Trüllikon 1 drill site
12th October 12:00 – 16:00
3rd November 12:00 – 16:00
7th December 12:00 – 16:00

Important information for visitors:

  • Wear sturdy shoes
  • Bring weatherproof clothing, optional: umbrella
  • Visitors must be able to climb steps
  • No wheelchair or walking frame access
  • Children must be at least ten years of age
  • Photography and filming only with the permission of the tour guide
  • Please note: Parking is limited!


We look forward to welcoming you to our drill sites.


To register,
please contact:

Anita Joray
Hardstrasse 73
Postfach 280

CH-5430 Wettingen

Tel. 056 437 11 11

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