Braichgoch Slate Mine
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Braichgoch Slate Mine was a large slate mine located in Corris Uchaf, north Wales. It was worked continuously from 1787 until closure in 1970, apart from a hiatus in the 1900s. Most of the surface workings of the quarry were removed as part of a road widening and landscaping scheme in 1983. Part of the underground mine workings are now open to the public as the King Arthur's Labyrinth tourist attraction. The landscaped site is also home to the Corris Craft Centre.
For most of its working life, Braichgoch was served by the Upper Corris Tramway, a branch of the Corris Railway.