There are three easy steps in Taranaki Regional Xplorer:
Step one:

On the Xplorer map page, click on the Zoom tool above the map. Then on the map itself, draw a small square around the area of interest.
Step two:

You will most likely need to Zoom again to better define the site you are interested in.
Step three:


Place cursor on the site of interest. The map co-ordinates will appear on the bottom left of map.