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.
Guided audio rates
Child -5 years old free
Child 5 to 16 years old: 7€
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)
Closed on Mondays and May 1st.