Trefriw
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Trefriw is a village in Conwy, Wales, lying a few miles south of the site of the Roman camp of Canovium. It is situated in Snowdonia, beside the River Conwy.
The village is known for its woollen mills, and for the nearby chalybeate spa , first known to have been used by the Romans and further developed in about 1700 its Waters are one of very few throughout Europe to have been classified as a medicine due to their high iron content.