Logo of City Marketing Den Helder with City by the Sea addition

Open Day

Whether you are looking for cultural festivals, music performances, sporting events, lectures or local markets, there is always something to do in Den Helder! Check out our events calendar to stay up to date on what is happening.
Event  Open Day

Animal in Focus

Discover an animal up close during Dier in Beeld.
Next date:
Fri 7 Aug '26
Fri 7 Aug 2026
15:00
- o'clock

 

  • De Helderse Vallei
    De Helderse Vallei 9-11, Den Helder
Open Day

Offshore Experience

Discover during the fifth Offshore Experience how smart use of space strengthens the future of the North Sea.
Thu 3 Sep '26
  • Theater de Kampanje
    Willemsoord 63, Den Helder
Event  Open Day

Helders Museum Open Monument Days

Discover the Helders Museum during Open Monument Days.
Next date:
Sat 12 Sep '26
Sat 12 Sep 2026
12:00
-5:00 PM

 

  • Het Helders museum
    Borneolaan 1, Den Helder
Event  Open Day

Bunker Tour Open Monument Days

Discover the Bunker Tour during Open Monument Days.
Next date:
Sat 12 Sep '26
Sat 12 Sep 2026
14:00
- o'clock

 

  • Willemsoord
    Geen data beschikbaar, Den Helder
Event  Open Day

Medemblikkerloods Open Monument Days

Discover Medemblikkerloods during Open Monument Days.
Sat 12 Sep '26
  • Medemblikker Loods
    Willemsoord 63A, Den Helder
Event  Open Day

Art Hall 45 Open Monument Days

Discover Kunsthal 45 during Open Monument Days.
Next date:
Sat 12 Sep '26
Sat 12 Sep 2026
13:00
-5:00 PM

 

  • Kunsthal 45
    Keizerstraat 73, Den Helder
Event  Open Day

Helderse windmill – De Goede Verwachting Open Monument Days

Discover the Helderse mill during Open Monument Days.
Next date:
Sat 12 Sep '26
Sat 12 Sep 2026
11:00
-5:00 PM

 

  • Helderse Molen - De Goede Verwachting
    Vinkenterrein, Den Helder
Event  Open Day

Meeting Church Julianadorp Open Monument Days

Discover the Ontmoetingskerk Julianadorp during Open Monument Days.
Sat 12 Sep '26
  • Ontmoetingskerk
    Parkstraat 10, Julianadorp
View the full events calendar

Stay informed

Already 5,000 readers receive weekly updates.
Tips, events and new places.
Subscribe to our newsletter.