Open doors at the Saint-Pierre-aux-Liens Church

Name: Open doors at the Saint-Pierre-aux-Liens Church
Start: 2026-09-19T12:00:00.000Z
End: 2026-09-20T16:00:00.000Z
Location: Château de Grouchy

Château de Grouchy · Osny · Val-d'Oise

When: Saturday, September 19, 2026; 12:00 PM – 04:00 PM
Where: Château de Grouchy; 14 rue William Thornley 95520 Osny, Osny
Conditions: Free entry

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Self-guided tour and guided tour on request

Programme published by the venue on the French Ministry of Culture’s calendar. Official event page