Great Siege Tunnels

Great Siege Tunnels
Upper Galleries
Part of Fortifications of Gibraltar
Northern end of the Rock of Gibraltar
Great Siege Tunnels in the Rock of Gibraltar.
Site information
TypeTunnel
OwnerGovernment of Gibraltar
Controlled byGibraltar Tourist Board
Open to
the public
Partially open
Location
Great Siege Tunnels
Location of the Great Siege Tunnels on the Rock of Gibraltar.
Coordinates36°08′43″N 5°20′42″W / 36.145153°N 5.345047°W / 36.145153; -5.345047
Site history
Builtc. 1780
Built bySoldier Artificer Company
MaterialsLimestone
Battles/warsGreat Siege of Gibraltar

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.