Walking in Wheal Watkins Reserve
Wheal Watkins Reserve is located at Mount Osmond, just a short distance from Adelaide CBD. Information about the walks in this area is available from both the City of Burnside website, and Walking SA. Enjoy the walk, it is not too strenuous, enjoyable for all ages and abilities, and so close to the city. Respect the locals, park appropriately, and leave no trace.
The Multi-cache
Gathering the information for this multi-cache should be quick and simple, then head along the walking trail to the nearby cache. The cache is a black PVC tube and can be found nestled in some rocks. Be sure to close both lids tight and replace out of view using natural camo.
Calculating GZ
Park safely at the listed coordinates, with your handbrake on. At GZ there is a round steel post, on top is a map of the local walks. There is a similar post at all entrances to the walk. This one at Allendale Avenue is Checkpoint 19. Find the black and yellow label(s) containing a number in the format
GR ABC XYZ
Using letter-number substitution, calculate GZ which is at
S 34 57.(C+Z)BX E 138 39.Z(A+C)X
Decimal minute checksums are 13 and 15