It is set just off the footpath barely 100 meters from the picnic area. Please ensure if you find this cache that you reset all the numbers to zero when finished and place it safely in its protective bag with the help card. If you havent found the STONE or RIDDLE caches, there is an acronym puzzle which when correctly answered will reveal the combination, but it is generalised and difficult.
Best of luck, and be careful of bramble thorns.