The Afon Twrch is a short river in Carmarthenshire, West Wales. It joins the River Cothi (itself a left-bank tributary of the River Towy) at the village of Pumsaint, near to which are the Roman gold mines of Dolaucothi.[1]
- ^ 186: Llandeilo & Brechfa Forest (Map). 1 : 25,000. Explorer Series. Ordnance Survey.