A Heavy Gun on the Zeebrugge Mole: A Rare Glimpse Into WWI Coastal Defences

Imagine standing on the windswept Mole at Zeebrugge in 1918, the smell of smoke still hanging in the air after the British raid. This is what this image encapsulates. 

The Role of Heavy Guns in Coastal Defence

This striking photograph shows a heavy German coastal gun mounted on its concrete base just off the coast of Zeebrugge, Belgium. The location, is part of the Mole — the long, curved breakwater that protected the harbour. Keeping company, were several reinforced bunkers nestled in the landscape, built to withstand both naval bombardment and aerial attack.

The photograph was likely taken by a German naval officer shortly after the British Naval Raid on Zeebrugge on St George’s Day, 1918.

Machine gun on the Zeebrugge Coast, Belgium in World War 1
Heavy Mounted Gun on the Mole Coastline

WWI coastal defences

Although the image appears calm, it was likely taken in the tense aftermath of the British Naval Raid on Zeebrugge, carried out on St George’s Day, 23 April 1918. The raid aimed to block the harbour and prevent German U‑boats from using it as a base. The Mole was one of the most heavily defended structures on the Belgian coast, and guns like this one played a crucial role in its protection.

Zeebrugge Mole Heavy Hun

The heavy gun dominates the frame, its barrel fixed toward the sea. The concrete mounting platform reveals the scale of the weapon — designed not for mobility, but for endurance. These guns were intended to fire on approaching ships long before they reached the harbour entrance.

In the close‑up image, the intricate workings of the gun mechanism become visible. Levers, gears, and elevation controls show the engineering precision behind German coastal artillery. Even in stillness, the machinery suggests the noise, heat, and physical effort required to operate it.

Close up of the gun mechanism used on the Zeebrugge raid
Close up View of the Gun Mechanism

An Authentic World War One Photograph


This image was almost certainly taken by a German naval officer or official photographer. Germany employed far more photographers than Britain during the First World War — roughly ten German photographers for every one British counterpart. Their role was to document fortifications, equipment, and daily military life.

A small number of amateur servicemen also carried personal cameras, slipping them into packs despite restrictions. Their photographs often captured candid, unfiltered moments of the war. Tragically, many of these private collections were lost, damaged, or destroyed in the years that followed, making surviving images like this one especially valuable.


A Collectible Photograph from World War 1

Photographs of the Zeebrugge Mole are rare. The area was heavily fortified, access was restricted, and much of the infrastructure was damaged or dismantled after the war. Each surviving image helps historians and enthusiasts understand:

This photograph is more than a record of a gun; it is a fragment of a moment when the outcome of the war at sea was still uncertain.

A Final Reflection


Standing on the Mole today, it is hard to imagine the noise, tension, and danger that once filled this stretch of coastline. This photograph offers a rare window into that world — a reminder of the engineering, strategy, and human effort that shaped the final year of the First World War.


For every ten official German photographers, Britain only had about one. A few amateur servicemen carried cameras in their packs and recorded important war evidence. Sadly, most photographs have been lost or destroyed.

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