Opening hours
Opened every day from 9am to 5pm, and from 9am to 6pm between July 10th to Agust 31th
Visit length
Short tour, 1h for 1500m, long tour, 2h for 3500m
Rates
15€ for adults, 13€ for kids (4 years old and less : free),
other rates here (groups, ...)