This event is in the past.It took place on September 21, 2025 at Royaumont Abbey.
Walking TourWalking TourStep into 800 years of history at this Cistercian abbey where Saint Louis once walked. Heritage Days unlock secret chambers usually off-limits: timber frame rooms, the latrine canal, and the fabled Saint Louis cell.
Historic abbey
Behind-the-scenes access
Family-friendly
Peaceful gardens
Tips
🥽"The 3-D recreation of the church is SO AMAZING to see through the stereoscope"
🦌listen for the deer's evening rut during night visits
👑Saint Louis buried his brother here in 1234
12 €
Journées du Patrimoine 2026
Asnières-sur-Oise
Walking TourWalking TourStep into 800 years of history at this Cistercian abbey where Saint Louis once walked. Heritage Days unlock secret chambers usually off-limits: timber frame rooms, the latrine canal, and the fabled Saint Louis cell.
Historic abbey
Behind-the-scenes access
Family-friendly
Peaceful gardens
Tips
🥽"The 3-D recreation of the church is SO AMAZING to see through the stereoscope"
🦌listen for the deer's evening rut during night visits
👑Saint Louis buried his brother here in 1234
12 €
Make it an outing
Add nearby spots before or after your event