Nature, culture and more

Naval Museum Boat Shed | Open Monument Days

Next date:

Sat 12 Sep 2026
13:00
-3:45 PM

 

Tags

Discover the Boat Shed during Open Monument Days.

Open Monument Day: Drop-in tours in the Navy Museum's Boat Shed

This year, during Open Monument Day on September 12 and 13, the Naval Museum opens the doors to a special piece of maritime heritage: the old boat shed at the Willemsoord Royal Shipyard. Normally, this space is closed to the public as it serves as storage for the museum, but this weekend you can view the building up close.

During these special walk-in tours, you will not only gain access to a hidden part of the museum, but you will also discover the rich history of the boat shed and the future plans for the building. The boat shed will, in fact, become an integral part of the renewal of the Maritime Museum in the coming years.

Practical information

On Saturday, September 13 and Sunday, September 14, guided tours are available at 1:00 PM, 2:00 PM, and 3:00 PM. The tour lasts approximately 45 minutes and starts at the submarine Tonijn. Participation is free, but advance reservation is required.

Opening hours

  1. Saturday, September 12 13:00 – 15:45
  2. Sunday, September 13 13:00 – 15:45

Background information

  1. Type of monument: Museum, Industrial heritage
  2. Original function: Gunsmith's workshop and magazine
  3. Construction period: 1825
  4. Current position: Boat shed
  5. Monument status: National Monument

The exhibition buildings and ships do NOT participate in Open Monument Day. The museum is NOT free to enter on those days.

When

Sat 12 Sep 2026
13:00
-3:45 PM

 

Sun 13 Sep 2026
13:00
-3:45 PM

 

Where

Onderzeeboot Tonijn
Hoofdgracht
3
1781 AA
Den Helder

Also interesting

Event
In the 2025/2026 theater season, all performances of 'Ik weet het eigenlijk niet' were completely sold out, including at Den Helder! Partly for that reason, and mainly because he is looking forward to it, Fred is back in the 2026/2027 season with his theater show 'Ik weet het eigenlijk niet'.
Thu 1 Oct '26
Open Day
Discover during the fifth Offshore Experience how smart use of space strengthens the future of the North Sea.
Thu 3 Sep '26
Event  Open Day
Discover the Ontmoetingskerk during Open Monument Days.
Sat 12 Sep '26

Stay informed

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