Events July, August, September and October 2025
Rotterdam Unlimited - 25 + 26 July
Jazz Festival Delft - 21 until 24 August
In the last week of August, enjoy fun jazz music on the cosy squares of inner city Delft.
World Port Days Rotterdam 2025 - 5 until 7 September
We look forward to the next edition with special ships, exciting excursions and lots of spectacle with shows on the water.
Bieslanddays 2025 - 6 + 7 September
Come to the Bieslanddagen and enjoy this nature party! Young and old can enjoy the many activities at various locations in the Delftse Hout, the Bieslandse Bos, the Bieslandse Polder and Klein Delfgauw.
Open Heritage Day - September 13 and 14
On Saturday 13 and Sunday 14 September 2025, during the 39th Open Heritage Day, visitors can look around for free in a number of beautiful monuments in Delft. More than forty (historic) buildings open their doors and give the public a look behind the front door.
Functional closure Maeslant and hart barrier -Date not available
The annual operational closure of the Maeslant and Hartel storm surge barriers will take place on Saturday 16 September this year. Of course everyone is welcome to attend the closing.
Delft Urban Trail -
Want to be sporty and discover the nicest places in Delft at the same time? The KLM Urban Trail Delft is a unique experience through the city. A special voyage of discovery where sportsmanship, culture and architecture come together. This fall, the Delft Urban Trail will take place on October 27. Registrations for these adventurous runs are open!