CWMBYRGWM COLLIERY, ABERSYCHAN;CWM-BYRGWM COLLIERY
Map Reference SO20SE
Grid Reference SO25130332
Unitary (Local) Authority Torfaen
Old County Monmouthshire
Type of Site COAL MINE
Broad Class Industrial
Period Post Medieval
Site Description Mining began at Cwmbyrgwm Colliery began before 1820 and expanded with the development of the British Ironworks in 1827. There is a rich mining landscape around the remains of a scheduled water-balance headgear (NPRN 85075), including a brick chimney (NPRN 85073) of around 1880, waste tips, several oval shafts (NPRNs 85074, 85075), two water power dams and tramroad routes. The colliery is depicted as in-use on Ordnance Survey 25in map first edition of 1880 and as disused on the second edition of 1901.
Claire Parry, RCAHMW, 26 July 2011.
Source: Collieries of Wales, RCAHMW