Great Siege Tunnels
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The Great Siege Tunnels in the British Overseas Territory of Gibraltar, also known as the Upper Galleries, are a series of tunnels inside the northern end of the Rock of Gibraltar. They were dug out from the solid limestone by the British during the Great Siege of Gibraltar of the late 18th century.
Great Siege Tunnels in the Rock of Gibraltar.
Guns look to the north defending The Rock from an attack by land
View of The Notch as seen from Devil's Tower Road
Concrete depiction of George Augustus Eliott, a Koehler Depressing Carriage and the crest of the Royal Engineers at the entrance to the tunnels.
Great Siege of Gibraltar
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The Great Siege of Gibraltar was an unsuccessful attempt by Spain and France to capture Gibraltar from the British during the American Revolutionary War. It was the largest battle in the war by number of combatants.
The Sortie Made by the Garrison of Gibraltar, John Trumbull
Martín Antonio Álvarez de Sotomayor—Spanish army commander
George Augustus Eliott, 1st Baron Heathfield—British Governor of Gibraltar
Panoramic view of Gibraltar under siege from Spanish fleet and land positions in foreground