Trefriw is a town and also area in Conwy Area Borough, Wales. It lies on the river Crafnant in North Wales, a few miles southern of the site of the Roman fort of Canovium, sited at Caerhun. At the last three censuses the population of the area has been recorded as 842 in 1999, 915 in 2001, and 783 in 2011 (from an overall of 368 houses). Trefriw pushes 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, listed below the ridge of Cefn Cyfarwydd, the town having actually been mainly built in a semicircle at the factor where the river Crafnant moves from its hanging valley to sign up with the river Conwy. The river Crafnant still gives power for the woollen mill, and also in the past offered power for a variety of other markets based along its financial institutions, such as a create which supplied quarry devices. The neighborhood consists of the community of Llanrhychwyn. Most of the village exists within the Snowdonia National Park, the limit running down the main road of the village. Aside from its credibility as a good starting factor for walks (the village has Walkers rate standing and phases an annual walking festival), Trefriw is today primarily recognized for its woollen mills, and for the nearby chalybeate health facility, initially known to have been made use of by the Romans and even more developed in concerning 1700. Its waters was among extremely couple of throughout Europe to have been classified as a medication because of their high iron web content.