TREVETHAN, a parish in the upper division of the
hundred of ABERGAVENNY, county of MONMOUTH, 2
miles (N.) from Pont-y-pool, containing, in 1821, with the
market-town of Pont-y-Pool, 3931 inhabitants. The
living is a perpetual curacy, annexed to the vicarage of
Llanover, in the archdeaconry and diocese of Llandaff,
endowed with £2000 parliamentary grant. The church,
dedicated to St. Cadocus, is a very ancient building, now
undergoing a thorough repair. The Monmouthshire and
Brecon canals, and numerous rail-roads, pass through
the parish. The present number of inhabitants is sup?
posed to be eight thousand, being an increase of more
than four thousand in the short space of seven years;
nearly the whole are employed in extensive mines of
iron and coal, with which the neighbourhood abounds,
in the burning of lime, and in the large iron-works
established at Pont-y-Pool and in its vicinity. The
British Mining Company haye established furnaces at
the Varteage, three miles from Pont-y-Pool, and new
Tbuildings, for the residence of the overseers and work-
men, are in progress of erection in almost every direction.