This is a bonus cache for the Adventure Lab Meander through Mona Vale which takes you on a walk through the grounds of Mona Vale park. You first need to complete the AL and use the information gathered to work out the final co-ordinates.
Use your phone's native QR code scanner to open this adventure in the Adventure Lab mobile app
or use the following URL: https://labs.geocaching.com/goto/MonaVale
The published co-ordinates are a good place to park, daylight hours only.
The cache can be found at S 43° 31.D(A+C)(A+E) E 172° 36.BFA