The cache
This cache has a log of water-proof paper in a double screw-top container. The cache celebrates the superior strength of exposed Wellington trees.
The Game Zone
The cache is placed at the base of a leaning windswept Manuka in Belmont Regional Park, which is adapting to our regular northerly blow. It will become stronger than it’s sheltered cousins in the lee of the hill below.
Getting there
This track runs between Haywards Hill (SH58) and the Risetop cache (GC71MJ6 ). Drive up Haywards Hill and park on the left just before Mt Cecil Rd entrance. You're looking for a nondescript farm gate that leads to a gorse and blackberry ridden 4WD track. Don't worry the prickles only plague the initial section. 
From the highway follow a 4WD service track to the power pylon. At the pylon turn right and follow the pest control trail to the cache. This area is regenerating natives, with hopes that it will fully re-establish over time.
Why Wellington trees are stronger
Wind causes stress in the load bearing structure of a tree, and to compensate it grows what’s called ‘stress wood’. Stress wood has a stronger cell structure than the wood of sheltered trees.
Have you heard of the sealed Biosphere 2 project? It’s an experiment that has been running for over 50 years in a completely closed 3-acre facility in Arizona. Nothing is allowed in or out. They found that their trees grew faster than they would grow in the wild, but they wouldn’t completely mature before collapsing. This was caused by the lack of wind in the biosphere.
Wind makes a tree stronger and, the longer this Manuka survives, the stronger it will become.