A height above a vertical datum, represented on a map by a dot locator with the elevation printed beside the dot. Unlike trigonometrical stations, spot heights are not identifiable on the ground
Data Dictionary for height_pnt: https://docs.topo.linz.govt.nz/data-dictionary/tdd-class-height_pnt.html
This layer is a component of the Topo500 data. The Topo500 map series will, when it is created, provide updated topographic mapping for the New Zealand mainland at 1:500,000 scale.