Curious about a secret world hidden beneath your feet? We are standing at 18 STONY BATTER. It marks the entry point to the Stony Batter Historic Reserve on Waiheke Island. This place is more than just a scenic reserve. It is a portal to a hidden past.
Stony Batter is a Category 1 Historic Place. It is also a nature reserve. Basalt rocks dot the landscape. Bush blocks thrive here. Below ground lies an extensive tunnel system. It is said to be the largest in New Zealand.
Let us journey back to the 1930s. War clouds gathered over Europe. New Zealand began to prepare. Auckland needed protection from enemy ships. Existing coastal defenses were outdated. They were too close to the city. Modern warships could easily attack.
Military planners devised a new defense system. It featured long-range guns. These guns could strike enemy vessels far from the harbor. Stony Batter was chosen as a key site. Its high vantage point offered wide views. It could block access to Auckland’s northern approaches.
Construction began in 1943. The Public Works Department took on the task. It was a difficult job. The location was remote. Access was limited. Materials had to be barged to the island. The project was shrouded in secrecy. Workers referred to it as A2.
The tunnels were dug by hand. Concrete was poured to form the walls. Local rocks provided the aggregate. The design was based on railway tunnel plans. Progress was slow. Costs soared. The project was completed in 1944. It was behind schedule and over budget.
Stony Batter was designed for three 9.2-inch guns. These guns could fire shells over 30 kilometers. They could rotate 360 degrees. Underground magazines stored ammunition. Electric hoists raised the heavy shells.
But the tide of war turned. The threat to New Zealand receded. Only two guns were installed at 18 STONY BATTER. They were tested but never fired in combat. By 1961, they were sold for scrap.
For years, the surrounding land was a farm. A dispute arose over public access. The landowner cited stock theft as a major problem. The case went to the Privy Council. Public access was eventually granted.
Today, a preservation society cares for Stony Batter. They offer guided tours of the tunnels. They hope to restore a gun pit to its wartime condition.
Walking through the tunnels, you will feel the weight of history. Imagine the workers who toiled here. Picture the guns ready to fire. Consider the threat that loomed over Auckland. The tunnels connect gun pits, ammunition stores and engine rooms.
Stony Batter is an engineering marvel. Its design is unique. Shortages of steel and concrete led to innovative solutions. The soft rock allowed for easy excavation. It is one of only three such batteries in New Zealand. Its good condition makes it an important heritage site.
As you leave 18 STONY BATTER, remember the story of this place. It is a story of ingenuity, secrecy, and a nation preparing for war. It is a reminder of the sacrifices made to protect our shores.