Open Monumentendag Delft
When12–13 September 2026
WhereDiverse locaties in de binnenstad, Centrum, 2611 Delft
TypeHistorical festival
On Open Monumentendag (Heritage Day), around 45 monuments in Delft open their doors to visitors. Inside the buildings there is music, exhibitions and guided tours, and all activities are free. The theme of this edition is 'Veerkrachtig Erfgoed, in tijden van onzekerheid'.