From Thursday to Sunday. Passes every 30 minutes.
Winter tours (October 1st to May 31st): 10:30 am to 6:30 pm
Summer tours (June 1st to September 30th): 10:30 am to 2:30 pm and 6:30 pm to 9:30 pm
General: 9€ / pax (VAT included)
Reduced: 7.50€ / pax (VAT included). Reduced admission for over 65s, children from 9 to 12 years old, unemployed and groups (from 10 people and only with prior reservation).