The cache is NOT at the posted location but this is a good place to start.

This is a Bonus Cache for completing Gong Gong Reservoir's, Yarrowee Creek Walk Adventure Lab.

To complete this cache, download the Geocaching Adventure Lab App from the App Store onto your smart device.  When in the general area of these posted co-ordinates, open the App, log onto your geocaching account, open the map and look for the Gong Gong Reservoir's, Yarrowee Creek Walk Adventure Lab.

On this adventure you will visit five locations on the Yarrowee Creek Walk, after correctly answering a question at each location you will be given a clue to help you find this bonus cache.

It can be found at:

S37º32.BB(B-D) E143º55.D(C-E)(D-E) 

Happy hunting