ENERGLYN (GENAU'R-GLYN), a hamlet, in the parish of EGLWYSILAN, hundred of CAERPHILLY, county of GLAMORGAN, SOUTH WALES, l mile (N. w.) from Caerphilly, containing, with the town of Caerphilly, which is situated within its limits, Else inhabitants. The mansion of Energlyn, the grounds of which are well wooded, is situated on the southern declivity of a lofty elevation, which commands a fine view of the plain and castle of Caerphilly, on the south-east, and is skirted at its base by a stream, which winds round to its conflux with the Romney at Pont y Pandy, a short distance to the north of Caerphilly, and on the southern bank of which are some iron-works: on the summit of the hill above-mentioned are several tumuli.