Special tool may be needed! If you are even moderately vertically challenged, bring a box for this one. A 20 ml tube at arm's reach, in clear sight. Also bring a pen. And an invisibility cloak of course.
If you are into records, then believe it or not, close to this cache is the most southern winery in the world,
But the kids will probably be more interested in going 70 m along the road, down the path to Mayfield Avenue, turn left at the bottom and go to the fun playground in Mayfield Reserve.