Eighteenth-century coastal bastion turned leisure centre on Gibraltar’s western waterfront.
King’s Bastion is a coastal bastion on Gibraltar’s western fortifications, protruding from the Line Wall Curtain between Line Wall Road and Queensway, overlooking the Bay of Gibraltar. Built from 1773 in limestone by the British Government, it played a crucial role in the Great Siege and now functions as a public leisure centre.
King’s Bastion is a coastal bastion on the western front of Gibraltar’s fortifications, protruding from the Line Wall Curtain between Line Wall Road and Queensway and overlooking the Bay of Gibraltar. Built in 1773 of limestone by the British Government as part of the Fortifications of Gibraltar, it formed a key element in strengthening the Line Wall. Casemates within the bastion were large enough to house 800 men, making it one of the most important western defences. During the Great Siege of Gibraltar from 1779 to 1783, King’s Bastion played a crucial defensive role against Spanish and French forces. From here, British gunners fired red‑hot shot that set specially reinforced Spanish floating batteries ablaze. By 1859, twenty‑five guns were mounted on the bastion, including seventeen 32‑pounders, six 8‑inch smoothbore pieces and two 10‑inch howitzers. Major alterations in 1874 removed front embrasures to install five rifled muzzle‑loading guns, which remained until 1902. In the late nineteenth and twentieth centuries the bastion was repurposed, with its casemates used for coal storage and an electricity generating station. After the generating plant closed and was demolished in 2005, King’s Bastion was restored and fully redeveloped as a Government‑run public leisure centre, open to visitors.