| 25 August to 02 November | Visits from 9:30 a.m. to 12 p.m. and from 1:30 p.m. to 4:30 p.m. |
| 7 February to 09 March Visiting hours from Monday to Friday |
| From Monday to Thursday: visits at 2:30 p.m. and at 4 p.m. Friday: visit at 2:30 p.m. |
| 21 March to 01 November Open 7 days a week | |
| 21 March to 05 July | Visits from 9:30 a.m. to 12 p.m. and from 1:30 p.m. to 5 p.m. |
| 06 July to 23 August | Visits from 9 a.m. to 6 p.m. |
| 24 August to 01 November | Visits from 9:30 a.m. to 12 p.m. and from 1:30 p.m. to 4:30 p.m. |
All the tours are guided and last about 1h20.
It is highly recommended for individual visitors to book in advance through the website.
It is essential to arrive 30 minutes before the start of your visit (a shuttle will take you to the entrance of the Caves).
Strollers are not permitted due to the steps. The use of a baby carrier is recommended for young children.
For groups and for disabled visitors, please refer to the dedicated page.
| Adult | 17,00€ |
| Reduced price for adult ** | 15,00€ |
| Child (from 4 to 12 years old)* | 12,00€ |
| Reduced price for child (from 4 to 12 years old)** | 10,50€ |
* A valid credential will be requested.
** Work council and members of the military, consult us. A valid credential will be requested.
