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Riddle of the Singing Sands

22 Sep

Porth Oer, an attractive if unobtrusive beach hidden on the north Wales coast is an unusual location for one of the UK’s strangest unsolved mysteries. This small, picturesque National Trust beach, backed by steep grassy cliffs, is famously known as ‘Whistling Sands’, a nickname based on the sound the granules make underfoot when you walk over its gleaming sand. The sound is created due to the stress of weight that is put upon the sand, and interestingly Porth Oer is unique among the beaches of Europe for this unusual effect. ‘Singing sands’ do exist in other places in the world, but usually these take the form of vast desert landscapes – the singing dunes of Almaty in Kazakhstan for example, or the Kelso dunes in California’s Mojave Desert – rather than a cute little beach on the Llyn Heritage Coast. Although there is a general consensus among scientists as to the best conditions for the ‘singing sand’ effect, why places like Port Oer exist at all remains something of a mystery.

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