Groups (at least 20p.)
We suggest to guide groups of adults and pupils on booking towards the discovery of an unusual phenomenon and a singular know-how: the Petrification handicraft.
School groups: that both pleasant and educational tour will allo pupils to learn in the real how some geological phenomenon turns rainwaters into remarkable springs.
6€/adults – 3,5€/children
Free for their guide and coach driver
Guided tour of about 1 hour
It is possible to obtain a guided tour in English or German only on pre-booking.