05 - Rear Viewpoint

WARTIME ADAPTATIONS

During WWII, the Upper Rock was transformed into a heavily fortified military zone, with defensive positions, observation posts and tunnels integrated into the landscape to help protect Gibraltar from attack.

The photograph shown here captures Gibraltar under conditions of total war. Visible in the foreground is the roof of the southern magazine carefully painted in camouflage as part of a wider defensive strategy aimed at concealing key military infrastructure from aerial observation. As air power became an increasingly serious threat, structures across Gibraltar were adapted to blend into the surrounding terrain, reducing their visibility to enemy aircraft.

On the north side of the site stands a small WWII pillbox, constructed from reinforced concrete. Though modest in size, such positions played an important role in guarding strategic routes and installations across the Upper Rock, forming part of the Rock’s layered system of close-range defence

THE UNCLIMBABLE FENCE

These remains are part of a once extensive fencing system that protected military areas across Gibraltar’s Upper Rock.

Introduced under War Office policy in 1907, the so-called “unclimbable fence” created a physical boundary between civilian and military Gibraltar, reducing the need for sentries and tightly controlling access.

The fence also transformed the landscape. Restricted access above the fence allowed Mediterranean scrub to regenerate, while continued grazing below left the land more exposed.

Despite its intimidating iron spikes and official status, contemporary accounts describe people risking punishment to scale it, reflecting the tension between military authority and human curiosity. During WWII, the fenced areas were formally protected under Defence Regulations, reinforcing Gibraltar’s strategic importance and strict wartime controls.

18th CENTURY WELL

This well was protected by a coracha, a defensive wall designed to secure access to water outside the main fortifications. Corachas were used in fortified sites across Spain and North Africa. They created a narrow, defended passage linking the main defences to a vital resource, such as a well or water source, whilst shielding it from enemy fire and direct attack. Water was essential to the survival of Gibraltar. In times of siege, access to reliable supply could determine whether a garrison could continue to endure. By enclosing the approach to this well, the coracha allowed soldiers to reach it under protection, reducing the risk of enemy interference or sabotage. The remains of this feature reflect the importance placed on securing water, and the adaptation of established defensive designs to the landscape of Gibraltar.

OLD WILLIS’S MAGAZINE

The name “Old Willis’s Magazine” is believed to relate to an early British officer involved in the defence of Gibraltar shortly after its capture in 1704. buildings are among the first military structures established on the Rock. Their purpose was to store gunpowder safely, supporting the growing network of batteries defending Gibraltar. A manuscript dated to 1705 records that a man named Willis showed particular energy in mounting cannon on the former Spanish batteries of San Joaquin and San Jose. These positions were later renamed Willis’s Battery. The magazine complex takes its name from this association. Constructed in the early years of British control, these Over time, the name “Willis” became attached not only to the battery but to this site, reflecting the close relationship between artillery positions and the storage of powder that supplied them. While little is known about Willis himself, his name remains embedded in Gibraltar’s defensive landscape

This stone channel is part of an 18th century water collection system. Cut into the surface, it was designed to direct rainwater into underground cisterns, helping supply the garrison with fresh water. Systems like this were essential in Gibraltar, where there are no natural rivers and water had to be carefully captured and stored. Channels of this kind worked alongside wells and storage tanks across the site, forming a wider network that allowed the garrison to endure long periods of siege. This is an original historic feature. To help preserve it, please do not walk on the duct.