Adults 11.50 euros, kids aged under 8 go for free.
Wear something warm, it gets chilly underground even in high summer.
Visits are staggered to prevent overcrowding. The best times to choose are either first tour in the morning, or last in the afternoon. Each visit lasts just over an hour.
- Families with teenagers
- Families with younger children
- Great views / scenery
- Nature / wildlife