Great Barrier Island (often colloquially just The Barrier) is the fourth-largest island of New Zealand's main chain of islands. it is situated 100 kilometres (62 mi) to the north-east of central Auckland in the outer Hauraki Gulf. It has an area of 285 square kilometres (110 sq mi) and its highest point, Mount Hobson, is 621 metres (2,037 ft). The local authority is the Auckland Council.
The remote island was initially exploited for its minerals and kauri trees and saw only some limited agriculture. It is now inhabited by a small population of 852 people, mostly living from farming and tourism. The majority of the diverse environments of the island (around 60% of the total area) is administered as nature reserve by the Department of Conservation. In 2009 the island atmosphere was described as being "life in New Zealand many decades back", not without some positive emphasis