A small clip lock container is what you are looking for. It is placed very close to the mural on the Eastern Service road in Burpengary, and the service road is the way to get to the GZ. It should be a quick Park and Grab but watch the geokid because this road can be quite busy. Don't try it from the Bruce HWY.
The mural is 1 of 2 murals that have been painted on the sound barriers that flank the Bruce HWY. The other is on the other side of the highway on the Morayfield /Burpengary Service Rd. It is worth the time to drive by both to take in our local street art.
While the cache is hidden so that once you are at the GZ you should not be seen, but stealth will be required getting into the GZ.
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Onfr bs Srapr Hcevtug.