Pontoise undergrounds
  • Cave souterraine à Pontoise

Let yourself be guided through the underground network of Pontoise and be surprised by its cellars and quarries.

Pontoise is built on a limestone plateau, in which its inhabitants dug corridors, quarries and vaulted cellars in the 12th and 16th centuries. For 2 hours, follow your guide through this meander and be captivated by its anecdotes that retrace the history of underground activities.

Information and booking with the tourist office.

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