Guided tours for groups in the Mont Terri rock laboratory


Office fédéral de topographie swisstopo
Route de la Gare 63
2882 St-Ursanne

The Mont Terri Project is an international research project for the hydrogeological, geochemical and geotechnical characterisation of a clay formation (Opalinus Clay). Clay formations are being considered in various countries for the deep geological disposal of radioactive waste. The rock laboratory is dedicated solely to research. There is no question of radioactive waste being disposed of here.

Mont Terri : Laboratoire

Standard programme 45-minute introduction in the visitors centre 15-minute transfer by minibus to the rock laboratory 90-minute guided tour of the rock laboratory, including transfer back to the station.

The recommended size for groups from 8 people. Tours lasting approx. 2½ hours will be held either in the morning or in the afternoon, preferably on working days. The best way to reach us is by train. The meeting point is at St-Ursanne railway station. To arrange a visit, please contact the visit coordinator by E-Mail "" or by phone Nr. +41 32 461 20 40 at least one month in advance to request a registration form.

  • Mont Terri Project: Carte Labo
  • Mont Terri: Profil géologique
  • Mont Terri: FMT Comet
  • Mont Terri: entrée
  • Mont Terri4
  • Mont Terri 5
  • Mont Terri
  • Mont Terri : Laboratoire
  • Mont Terri 6
  • Mont Terri: Panorama
  • Mont Terri: carte
  • Tunnelsystem im Felslabor Mont Terri
  • Mont Terri: Entrée du Laboratoire
  • Mont Terri Project: Carte Labo1/13
  • Mont Terri: Profil géologique2/13
  • Mont Terri: FMT Comet3/13
  • Mont Terri: entrée4/13
  • Mont Terri45/13
  • Mont Terri 56/13
  • Mont Terri7/13
  • Mont Terri : Laboratoire8/13
  • Mont Terri 69/13
  • Mont Terri: Panorama10/13
  • Mont Terri: carte11/13
  • Tunnelsystem im Felslabor Mont TerriImage: Projet Mont Terri, 201112/13
  • Mont Terri: Entrée du Laboratoire13/13

Intended for

  • 14-18
  • 18+
  • 20-40
  • 55+
  • Group


Content: medium

Interactivity: active/passive

Inside/outside: inside/outside


  • Geology
Im Labor beträgt die Temperatur zwischen 13 und 14°C. Warme Kleidung und gutes Schuhwerk wird dringend empfohlen.

Mitte Juli bis Mitte August geschlossen.
Languages: German, French, Italian, English
Weather dependent? No
Does it cost anything? No