Prince Llewellyn Quarry
United Kingdom
The Prince Llewellyn quarry (also known as Bwlch Cynnud quarry, Y Foel quarry, Hendre Ddu quarry, or Prince Llywelyn quarry) was a slate quarry that stands on the west side of the Lledr Valley, ENE of Dolwyddelan. It was worked from around 1820 to 1934.
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