Public Guided Tours at BedrettoLab 2025

The BedrettoLab, situated in a 5.2 km-long rock tunnel, offers a unique opportunity to study the geology of the Alps and visit a one-of-a-kind underground laboratory operated by ETH Zurich. In collaboration with the Museum Sasso San Gottardo, visitors will have the opportunity to explore the BedrettoLab on five occasions, guided by trained tour guides.
During the approximately two-hour walking tour, visitors will learn about the history of the Bedretto tunnel. They will also discover geological phenomena visible on the tunnel’s unlined walls, offering a tangible experience of the Alps' formation. Additionally, they will visit the geothermal testbed and gain insight into why ETH Zurich has chosen this unique location for geothermal and earthquake research.

Costs and ticket booking

The cost per person for a tour is CHF 25. Tickets for the following dates can be booked on the Museum Sasso San Gottardo website: www.sasso-sangottardo.ch/bedrettolab.

• Saturday, June 14
• Sunday, July 13
• Friday, August 8 (tours on this day in German only)
• Saturday, September 20
• Saturday, October 11

More information on guided tours: www.bedrettolab.ethz.ch/en/about/visit/