Stony Batter
Auckland Region, New Zealand · built 1943
Stony Batter is a historic defence installation at the north-eastern end of Waiheke Island, Auckland, New Zealand. It is sited within a 50-acre (200, 000 m2) scenic reserve of the same name, owned by the New Zealand Department of Conservation (DOC). The park serves double duty as a historical (Category 1 Historic Place) and nature reserve, containing unusual rock formations, associated with an extinct volcano, three significant bush blocks and three concrete gun emplacements with an extensive tunnel system, reputed to be the largest in New Zealand.
Monument data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).