YNIS-Y-MOND (YNYS-Y-MWNT), a township, in the parish of CADOXTON, union and hundred of NEATH, county of GLAMORGAN, SOUTH WALES; containing 288 inhabitants. It is situated in that part of the Vale of Neath which comprises the upper portion of the parish, and near the head of the Neath canal. There are several small coal-works at present in operation, but the number of persons employed is uncertain, depending upon the fluctuating demand for their produce.