- In April: daily from 10:30 to 18:30.
- From May 1, til October 31: daily from 10:30 to 14:00 and 16:00 to 19:00.
- Price: 4 €
- With previous request by email.
- Only Monday, Wednesday, Friday and Saturday.
- Group: minimum 15 people.
- Price: € 3.50 per person + 20 € service guide.
- To arrange a tour, please fill the following GUIDED TOUR RESERVATION FORM.
Note: Because it is an outdoor visit, the schedule may be conditioned to the weather.