Conditions
- Tours are subject to the availability of a tour guide.
- They can be given in French and in English.
- Tours last one hour and cost CHF 100 + TVA per tour guide.
- Reservations must be made at least seven business days in advance.
- Guided tours are suspended from the 1st June to the 6th July 2026
- During the summer period, guided tours are offered subject to availability