CWM-RHEIDOL (CWM-RHEIDIOL), a township, in that part of the parish of LLANBADARNVAWR which is in the upper division of the hundred of GENEU'R-GLYN, county of CARDIGAN, SOUTH WALES, containing 649 inhabitants. The river Rheidol, which gives name to the township, flows through a vale here, remarkable for its varied and picturesque scenery. There are extensive lead mines, which yielded, in 1831, forty-five tons of that metal and sixty tons of ore, and afforded employment to the greater portion of the inhabitants. This township separately supports its own poor: the average annual expenditure is £154. 17.