The culprit has been called the “phantom post snatcher”, who for some unfathomable reason has taken to whisking away signs installed to help guide ramblers across a lonely moor in north Wales.
The snatcher, or snatchers – there may be more than one – has been pinching waymarks from a remote spot on the 83-mile Snowdonia Slate Trail, putting walkers at risk of wandering off the beaten path in misty weather into the mire.