The Rocking Stone or “Y Maen Chwyf” in Welsh is a glacial boulder dating back to the Ice Age. It was a focal point of the “Gathering of Bards” organised by stonemason Edward Williams in 1814.
We walked miles. Up to the waterfall on Gillies trail, followed the path up onto the rocky and then to the trig point on Twyn Brynbychan, above the cynnon valleys. …