Anthracite slant.
Ystradgynlais Colliery
Coal Mine
Worked from 1875 to 1938
Jan 1st, 2024 from NMRS by Buddle-Bot
| South Wales | |
| Ystradgynlais | |
| 51.774781, -3.74648 | |
| SN 7960 0990 | |
| Private Land | |
| 130m | |
| #3,028 |
Diamond Colliery - 720m- Yniscedwyn - 824m
- Bryngroes Colliery - 1,163m
- Hendreladais Colliery - 1,171m
- Pantmawr Colliery - 1,179m
- Brynderi Colliery - 1,204m
- Gurnos Colliery - 1,232m
- Bryn Varteg Colliery - 1,579m