At the Cathedral Caves turnoff.
While you are reading the plethora of signs which have sprung up at this turn off and trying to make up your mind whether to go in or not, take a break and hunt for a cache which is close at hand.
The cache is a 500ml camo painted snaplock container hidden at ground level and not visible from any distance. It contains various trading items.
Perivpr va gur ebpxf.