Duration: around 1½ hours.
Programme of visits :
In July and August :
- from Tuesday to Saturday, at 11pm, 3pm and 4.30pm
- Sundays and holidays at 3pm and 4.30pm
From Easter to end October:
- by reservation
Prices :
Adults: € 3.00
Children: € 2.00
Groups: ask at the Tourist Office on 03 22 51 46 85.