Monkey's Cave, Natural cave in Gibraltar, United Kingdom
Monkey's Cave is a limestone cave with naturally formed chambers on the eastern side of the Rock of Gibraltar, offering views across the Strait towards Africa. The cave sits within the Upper Rock Nature Reserve and is accessible via established walking routes through this protected area.
The cave was converted into a convalescent hospital for wounded soldiers during World War II and later served as the headquarters of a British engineering regiment. This military use shaped the structure and purpose of the site for decades afterward.
The cave takes its name from the Barbary macaques that once inhabited the area, representing a key part of local identity for many who visit. Walking through this space allows visitors to connect with the natural heritage that shaped the place's character over time.
The site is part of a nature reserve with designated paths and safety guidelines that visitors must follow. Good footwear and reasonable fitness are helpful, as the walks traverse steep terrain on a rocky hillside.
Beneath the cave runs an artificial tunnel system called AROW Street that originally stored military supplies and contained workshops. This hidden structure reveals the extensive underground infrastructure built during the conflict for wartime operations.
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