RHWNGDWY-CLYDACH-HIGHER (RHWNG-DWY-GLYDACH), a township, in the parish and hundred of LLANGYVELACH, union of SWANSEA, county of GLAMORGAN, SOUTH WALES, 9 miles (N. by E.) from Swansea; containing 286 inhabitants. This place, the name of which denotes its situation between the Upper and Lower Clydach rivers, contains several respectable residences, in some instances embosomed in wood.