This event is in the past.It took place on September 20, 2026 at Crypte souterraine du Couvent des bénédictines anglaises.
Themed TourVisite exceptionnelle de la crypte de Pontoise
September 19 - September 20
At Crypte souterraine du Couvent des bénédictines anglaises
Pontoise
🕯️Bring a light jacket, it gets chilly underground
👟Wear sturdy shoes, the stairs are steep and narrow
Descend into a medieval crypt beneath an old convent, usually locked and silent. For Heritage Days, this stone chamber opens its secrets to anyone curious enough to climb down.
Historic architecture
Underground exploration
Rare access
Heritage Days exclusive
Themed TourVisite exceptionnelle de la crypte de Pontoise
September 19 - September 20
At Crypte souterraine du Couvent des bénédictines anglaises
Pontoise
🕯️Bring a light jacket, it gets chilly underground
👟Wear sturdy shoes, the stairs are steep and narrow
Descend into a medieval crypt beneath an old convent, usually locked and silent. For Heritage Days, this stone chamber opens its secrets to anyone curious enough to climb down.
Historic architecture
Underground exploration
Rare access
Heritage Days exclusive