Beehive Casemate, Underground military fortification in Obelisk Bay, Sydney, Australia.
The Beehive Casemate contains three domed chambers built into sandstone bedrock, featuring small openings directed towards Sydney Heads for defensive purposes.
Constructed between 1871 and 1874 under colonial architect James Barnet, this fortification marked Australia's first locally designed defense structure after British troops withdrew.
The fortification represents the evolution of Australian military independence and engineering capabilities during the late nineteenth century colonial period.
Access to the rocky headland requires careful timing with low tide conditions, and visitors should maintain distance from the salt-rusted steel bars.
The structure served as an anchor point for submarine netting during World War II, marking where Japanese midget submarines were intercepted.
Location: New South Wales
GPS coordinates: -33.82750,151.26800
Latest update: April 28, 2025 07:33
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