The Prince's Lines are part of the fortifications of Gibraltar, situated on the lower slopes of the north-west face of the Rock of Gibraltar. They are located at a height of about 70 feet on a natural
View of the Prince's Lines and the Isthmus in 1783
The Bombproof Barracks on the Prince's Lines
The Prince's Gallery, a 1790 tunnel giving access to the Lines
The Inundation was a flooded and fortified area of ground on the sandy isthmus between Spain and Gibraltar, created by the British in the 18th century to restrict access to the territory as part of th
Prince's Lines
…at the southern end of the isthmus linking Gibraltar with Spain. The lines face out across the modern Laguna Estate, which stands on the site of the Inundation, an artificial lake created to obstruct landward access to Gibraltar. They were constructed to enfilade attackers approaching Gibraltar's Landport Front…
View over the Neutral Ground and Inundation from British positions on the Rock of Gibraltar, depicted in 1828
The Inundation seen from the Upper Lines, 1870s