10 and 11 September

Open Monument Days

This year's Open Monument Days in Leiden are all about Sustainability. How sustainable were monuments in the past, how sustainable are they now? More than 34 monuments and special heritage locations open their doors during the largest heritage event in Leiden. During the monument weekend, pick up the program booklet at the VVV Leiden or the central information point in the City Hall and hit the road! Take a look at historic windmills, canal houses under renovation and the newly renovated town hall. And of course there are also a few special monuments to see just before or after renovation. For children there is a treasure hunt and children's activities in the Hortus.


  • Saturday the 10th of september 2022
  • Sunday the 11th of september 2022


  • Free