| 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. | |
  Great Siege Tunnels | |
| Coordinates | 36°08′43″N 5°20′42″W / 36.145153°N 5.345047°W |
| Type | Tunnel |
| Site information | |
| Owner | Government of Gibraltar |
| Controlled by | Gibraltar Tourist Board |
| Open to the public | Partially open |
| Site history | |
| Built | c. 1780 |
| Built by | Soldier Artificer Company |
| Materials | Limestone |
| Battles/wars | Great 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.
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