This adventure lab bonus is part of a series that are located in the villages/towns along the Northern Rivers Rail Trail. The information for each of the five locations is sited within the Murwillumbah station yard, with the bonus within a short walking distance. Murwillumbah is the start of the trail.
To calculate GZ coordinates take note of the Location Completion Messages at each stage of the Adventure Lab. GZ can be found at s28° 19.AB e153° 24.CD
Note: Some location completions will give you a 2-digit number. One will give you the hint.
To calculate the final (GZ) coordinates for this cache you will need to complete the Adventure Lab: NRRT: Murwillumbah Yard which can be found at https://adventurelab.page.link/GX7d
For information on the Northern Rivers Rail Trail itself see https://www.northernriversrailtrail.com.au/
You will need to BYO Pen or Pencil to sign the log.
If you are following the rail trail, there are more caches and Adventure Labs to be found further along the trail. All are prefixed with the initials NRRT (Northern Rivers Rail Trail)