| Type de circuit | Visite privée, Visite en groupe partagé |
| Nombre minimum de participants | 8 voyageurs |
| Types de circuits | Visite guidée |
| Organisation des repas | À organiser soi-même |
| Type de visite | Sites naturels, Écotourisme |
| Transport | À pied |
Not Suitable For: Children under 6 years
Not Suitable For: People with claustrophobia
What To Bring: Water
What To Bring: Sports shoes
What To Bring: Clothes that can get dirty
Not Allowed: Smoking
Not Allowed: Alcohol and drugs
Not Allowed: Bare feet
Know Before You Go: Wear comfortable clothes that can get wet or dirty
Know Before You Go: To ensure the best possible experience, the departure location may be changed in the event of unfavorable weather conditions or if the minimum number of participants is not reached. If no suitable alternative can be arranged, we will offer another time slot according to your availability. If no agreement can be reached regarding an alternative schedule, a full refund will be issued.