Cenarth is a village, parish and community in Carmarthenshire, on the border between Ceredigion and Carmarthenshire, and close to the border with Pembrokeshire, Wales. It stands on the banks of the River Teifi, 6 miles east of Cardigan and 4 miles west of Newcastle Emlyn, and features the Cenarth Falls, a popular visitor attraction, and several other listeā¦Cenarth is a village, parish and community in Carmarthenshire, on the border between Ceredigion and Carmarthenshire, and close to the border with Pembrokeshire, Wales. It stands on the banks of the River Teifi, 6 miles east of Cardigan and 4 miles west of Newcastle Emlyn, and features the Cenarth Falls, a popular visitor attraction, and several other listed structures including an 18th-century corn mill incorporating the National Coracle Centre.