| Type de circuit | Visite en groupe partagé |
| Mode de transport | Se rendre sur place par ses propres moyens |
| Types de circuits | Visite guidée |
| Type de visite | Visite de sites historiques |
| Transport | À pied |
Not Suitable For: People with mobility impairments
Not Suitable For: People with claustrophobia
Not Suitable For: Wheelchair users
What To Bring: Warm clothing
Not Allowed: Pets (assistance dogs allowed)
Know Before You Go: The corridors are 1.80m high
Know Before You Go: There is no phone signal inside the casemates
Know Before You Go: There are no toilets on site