Small mine.
Pen Llwyn Helyg Colliery
Coal Mine
Worked from 1906 to 1935
Jan 1st, 2024 from NMRS by Buddle-Bot![]()
| South Wales | |
| Tirydail | |
| 51.801966, -4.014405 | |
| SN 6120 1340 | |
| Private Land | |
| 70m | |
| #2,778 |
Tir y Dail Colliery - 669m
Pontlash Colliery - 727m
Park & Blaina Colliery - 1,002m
Saron - 1,252m
Blaenau Saron Colliery - 1,261m
Caerbryn Colliery - 1,754m
Wernos - 1,999m