"GLYN-CORWG, a parish in the hundred of NEATH, county of GLAMORGAN, SOUTH WALES, consisting of the chapelry of Blaen-Gwrach, and the hamlet of Glyn-Corwg, each of which is separately assessed for the maintenance of its poor, and containing 547 inhabitants, of which number, 133 are in the hamlet of Glyn-Corwg, 8 miles (N. by E.) from Neath.
This parish, which is very extensive, including a wild and mountainous region of about twelve thousand acres, derives its name from the small river Corwg, which, after flowing through a portion of it, falls into the Avon. It comprises some of the highest mountains in Glamorganshire, and the picturesque aspect of its surface is greatly increased by woods and numerous projecting crags.
In Blaen-Gwrach, through which flows the Neath river, is a lake called Llyn-bach, nearly a mile in circumference; and the entire parish contains an abundance of fine springs, and is watered by numerous brooks : in Blaen-Gwrach is also Ynys-las Cottage, a seat of the Earl of Dunraven. The soil is various, that of the mountains being peaty, and in some places of an argillaceous texture. The portion of arable land is comparatively small ; and the species of grain cultivated upon it are chiefly barley and oats, little wheat being grown except near the river Neath : the more extensive mountainous districts are appropriated to the pasturage of sheep and young cattle during summer.
In the mountains are found strata of bituminous coal, and in the lower portions of the parish, near the Vale of Neath, some of stone coal and culm, from two to fifteen feet in thickness: these species of fuel are now worked, and exported in large quantities by means of the Neath canal. Iron-ore is also found, and is now worked in the Blaen-Gwrach portion of the parish.
The living is a perpetual curacy, with that of Blaen-Gwrach annexed, in the archdeaconry and diocese of Llandaf, endowed with £600 royal bounty, and £200 parliamentary grant, and in the patronage of the Rev. E. Thomas, by whom it has been lately purchased from the Earl of Jersey. The church, situated in the hamlet of Glyn-Corwg, is dedicated to St. John the Baptist ; and in the churchyard are some remarkably fine yew trees, one of which measures thirty feet four inches in girth.
Upon the summit of Craig y Llyn, in this parish, is Carn Moesen, a tumulus of loose stones, marking out a spot which is reputed the most elevated point in the county of Glamorgan; and not far distant from this is Llyn Mawr, a large pool nearly a mile in circumference.
The average annnal expenditure for the support of the poor amounts to £207. 1., of which sum, £46. 4. is raised for the hamlet of Glyn-Corwg."