This is a Challenge cache. The Cache is hidden at the posted coordinates.
In order to claim the smiley, you need to fulfill certain criteria and sign the log book.
For this challenge you need to find a minimum of 1 cache in each of the 81 different squares on your D/T grid. I qualify for this challenge.
NB: This cache may not be used in your qualifying caches.
To reach the cache you will also need a boat. Swimming is prohibited in this section of the Yarra River.
While some geocachers may find this challenge very easy, others may find it very hard to achieve. For some it may require long periods of dedication and perseverance. Please take this challenge in the fun spirit with which it has been created. This challenge has not been deliberately designed to exclude or discriminate against any geocachers, but to create a sense of achievement when you reach certain goals.
NB: Caches found prior to the publication of this challenge may be used to qualify.
As per help centre guidelines, cachers are not required to put a list of caches in their log, nor the challenge checker output.
"For cache pages published after April 21, 2015 with a challenge checker, the owner can confirm the finder's qualification with the checker when the cache is logged as found. No further documentation is required from the finder." - Help Centre 2.15 - section 7.

Check to see if you qualify using the link below:
