| Type de circuit | Visite en groupe partagé |
| Mode de transport | Se rendre sur place par ses propres moyens |
| Types de circuits | Visite guidée |
| Organisation des repas | Avec collations |
| Type de visite | Visite de sites historiques, Randonnée |
| Transport | À pied |
Not Suitable For: People with claustrophobia
What To Bring: Comfortable shoes
What To Bring: Jacket
Not Allowed: Pets (assistance dogs allowed)
Know Before You Go: The underground quarry has a constant temperature of 13°C all year round, so it's best for those who are sensitive to the cold to cover up a bit.