This event is in the past.It took place on September 21, 2025 at Châteauform' Le Palais Abbatial De Royaumont.
Walking Tour
Walking TourWander through crumbling stone towers and a 12th-century keep where French nobility once walked. This free Heritage Days tour traces a thousand years of architectural layers, from Carolingian chapels to Revolutionary ruins.
Heritage Days event
Free admission
Medieval architecture
Archaeological site
Free
Journées du Patrimoine 2025
Asnières-sur-Oise
Walking TourWalking TourWander through crumbling stone towers and a 12th-century keep where French nobility once walked. This free Heritage Days tour traces a thousand years of architectural layers, from Carolingian chapels to Revolutionary ruins.
Heritage Days event
Free admission
Medieval architecture
Archaeological site
Free
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