This event is in the past.It took place on September 21, 2025 at Villa Castel Val.
Walking TourWalking TourStep inside Castel Val, a rare Art Nouveau beauty by Hector Guimard—the genius behind Paris's iconic metro entrances. Guided tours reveal the ornate façade details and history of this architectural treasure.
Art Nouveau architecture
Guided tours
Historic building
Tips
📅only open during Heritage Days weekend
👥guided tours included with entry
Heritage Days 2025: a walk in the footsteps of the Impressionists
Auvers-sur-Oise
Walking TourWalking TourStep inside Castel Val, a rare Art Nouveau beauty by Hector Guimard—the genius behind Paris's iconic metro entrances. Guided tours reveal the ornate façade details and history of this architectural treasure.
Art Nouveau architecture
Guided tours
Historic building
Tips
📅only open during Heritage Days weekend
👥guided tours included with entry
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