Tonga Island is a small island in Tasman Bay / Te Tai-o-Aorere, off the northern coast of the South Island of New Zealand. It lies within the Abel Tasman National Park, about 1 kilometre off Onetahuti
The Department of Conservation is the public service department of New Zealand charged with the conservation of New Zealand's natural and historical heritage.
DOC signs of this format are commonly seen around New Zealand conservation areas.
DOC operates much of the backcountry tourist infrastructure of the country, such as this overnight hut on the Rakiura Track.