A national reserve in New Zealand is a reserve that has been designated as having national importance under section 16 of the Reserves Act 1977. They are administered by the Department of Conservation.
The national reserves are:
The Cook Landing Site and Waitangi reserves are small reserves with historic value. The Lewis Pass reserve is much larger (13,737 hectares), with conservation values, including parts with scenic and ecological values. The Subantarctic Islands are collectively a UNESCO World Heritage Site.
References
National reserves of New Zealand Wikipedia(Text) CC BY-SA