Built during the 1930s as part of a larger coastal defence system to protect Auckland Harbour during WWII, Stony Batter has become an internationally-recognised engineering site of historical significance.

Not only for its hilltop counter-bombardment batteries, it is significant also for its spider-web of hand-dug tunnels that weave their way underground.

The site is kept in pristine condition, and even without the guns it is a staunch reminder of the real threat New Zealand came under during the war.

See the website for access details to Waiheke Island and to the Stony Batter Historic Reserve. Bring a torch to explore the tunnels.

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Map showing Stony Batter Historic Reserve