Explore the detailed topographical map at a 1:250000 scale. To figure out which map suits your needs, visit this link: http://www.linz.govt.nz/topography/topo-maps/map-chooser

This map is really useful for exploring New Zealand's terrain. To use it, first find your current location on the map. Then, plan your route according to the topographical features shown. When using it outdoors, protect it from getting wet. You can use a plastic cover. Also, avoid folding it too many times as it might tear. To keep it in good condition, store it flat in a dry place. And don't forget to check the link provided to make sure you're using the right map for your area.