GLYN-TAF, a hamlet, in the parish of EGLWYSILAN, hundred of CAERPHILLY, county of GLAMORGAN, SOUTH WALES, comprising the greater part of the extensive and populous village of Newbridge, and containing 635 inhabitants. It is situated on the left bank of the river Tif, where it is joined by the Rhondda, and affords very fine views up the vale of the latter. The road from Cardiff to Merthyr-Tydvil proceeds here between the river Tif and the Cardiff canal, and within a few yards of both. The bridge called Pont y Prydd, celebrated for the singularity of its architecture, crosses the steep banks of the river Tif at this place, near the village of Newbridge.