Come to discover this immense underground site dug into the limestone of the Picardy plateau, remarkably organized and recognized as one of the largest in Northern France.
Open to the public
July / August
Every day from 10 am to 6:30 pm
April / May / June / September / October
from 10 am to 5:30 pm (6:30 pm weekends and holidays)
Last departure possible 1h30 before closing.
Closed on Mondays and May 1st.
Guided audio rates :
Child -5 years old free
Child 5 to 16 years old: 8€
Adult 11€
Family (2 adults + 2 children) : 33 €