📜 Historical fortification on Obelisk Bay, Sydney Harbour, built 1872.
🔍 Part of Sydney Harbour National Park, unique hidden coastal entrances.
🌊 Explore underground tunnels carved into sandstone
📸 View bustling Sydney Harbour boat traffic
🚶 Walk along rocky coastline to find hidden base entrances
🗺️ Discover a site of WWII historical significance
⚠️ Rocky cliff can be slippery, requires careful hiking
🌊 High tide can cut off access, plan visit for low tide
⏰ Visit only during low tide.
👟 Take care hiking down the rocky cliff.
Last updated 1 day ago
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