Trefriw is a town and community in Conwy Region Borough, Wales. It lies on the river Crafnant in North Wales, a couple of miles south of the site of the Roman ft of Canovium, sited at Caerhun. At the last 3 censuses the population of the neighborhood has been recorded as 842 in 1999, 915 in 2001, and 783 in 2011 (from an overall of 368 households). Trefriw lies on the side of Snowdonia, on the B5106 road to the north-west of Llanrwst, and concerning 4 1/2 miles north of Betws-y-Coed by road. It lies on the western slopes of the glaciated Conwy valley, below the ridge of Cefn Cyfarwydd, the town having actually been mainly built in a semicircle at the factor where the river Crafnant flows from its hanging valley to sign up with the river Conwy. The river Crafnant still offers power for the woollen mill, and in the past offered power for a variety of other markets based along its banks, such as a create which gave quarry tools. The area consists of the community of Llanrhychwyn. Most of the village exists within the Snowdonia National Park, the boundary running down the main street of the town. Apart from its reputation as an excellent beginning point for walks (the town has Pedestrians are Welcome condition as well as phases an annual strolling celebration), Trefriw is today mostly understood for its woollen mills, and for the neighboring chalybeate health club, initially understood to have actually been made use of by the Romans and also additionally created in about 1700. Its waters was among extremely couple of throughout Europe to have been identified as a medicine due to their high iron material.