In order to find this cache you will need to complete the Village Walk Adventure Lab, which will take you on a walk to visit some interesting historical places around Upper Moutere.
To complete the Adventure Lab you will need the Adventure Lab app installed on your phone. You will need to log in with your geocaching.com account. On the app, click on the first location (Moutere Inn) to begin the adventure. The locations need to be visited in order.
When you complete the Adventure Lab you will have all the information you need for this cache which is a short walk away.
Have fun.