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openmonumentendag.nl

Annual free-entry heritage weekend opening Dutch monuments and activities to the general public

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  • New on EvolcAdded 2026-10-27

About openmonumentendag.nl

Open Monumentendag runs the VriendenLoterij Open Monumentendag, a national weekend in the Netherlands in which monuments open their doors free of charge and hold activities for visitors. The 40th edition takes place on 12 and 13 September 2026 under the theme 'Veerkrachtig erfgoed, in tijden van onzekerheid'. The programme includes a national opening on 11 September in the province of Flevoland, held at the Museum Batavialand in Lelystad.

The event is aimed at the general public, of all ages. The organisation is supported by donations; the site invites supporters to contribute from €40 per year, and the VriendenLoterij is named as sponsor in the event title. A free app helps visitors plan their day, search monuments on a map and build a route between them.

For the 40th edition the site reports more than 6,000 monuments, more than 1,250 activities and 18,000 volunteers. The weekend drew an estimated 1.8 million visitors in the previous edition. The organisation also runs an Aruba edition.

Product: Free national heritage weekend with monument openings, activities and a visitor app.

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