| Tour Type | Private tour |
| Tour types | Guided tour |
| Sightseeing type | Historic site tour, Hiking, Islands tour |
| Transport | Walking |
Know Before You Go: The tour involves walking through tunnels and fortifications, so not suitable for people with Claustrophobia and Gephyrophobia
Know Before You Go: Not suitable for kids on strollers, wheelchairs, and those with walking difficulties
Know Before You Go: Not suitable for people with hearing difficulties
Know Before You Go: A good level of English is required (simultanous translation for your companions is not allowed)
Know Before You Go: Wear trustable walking shoes for walking on cobbles and old steps