Anthracite slant.
Glangrennig Colliery
Coal Mine
Worked from licensed 1950s to c1971
Jan 1st, 2024 from NMRS by Buddle-Bot
| South Wales | |
| Bettws | |
| 51.796117, -3.934381 | |
| SN 6670 1260 | |
| Private Land | |
| 160m | |
| #2,501 |
Nantcrenig Colliery - 282m- Erw Colliery - 315m
- Glanamman - 510m
- Graigddu Colliery - 538m
- Brynlloi - 565m
- Coedamman Colliery - 582m
- Graigddu No.2 - 582m
- Glantref - 631m
- Duffryn Amman Colliery - 670m
- Pencraig Colliery - 698m
- Glynmoch Colliery - 760m
- Ystrad Colliery - 779m
- Bodyst Uchaf Colliery - 1,233m
- Godrewain Colliery - 1,330m
- Blaen Grennig - 1,440m
- Royal Oak Colliery - 1,475m
- Gelliciedrim - 1,478m
- Raven Colliery - 1,497m
- Abernant Farm Colliery - 1,532m
- Twyn y Bryn Colliery - 1,660m
- Grenig Colliery - 1,831m