Onllwyn, No.1
aka Dan Tai
Coal Mine
Worked from 1918 to 1964
Jan 1st, 2024 from NMRS by Buddle-Bot
Sep 3rd, 2024 by Alex
| South Wales | |
| Onllwyn | |
| 51.7783661, -3.685735 | |
| SN 8380 1020 | |
| Private Land | |
| 230m | |
| #2,762 |
Drym Colliery - 324m- Onllwyn, No.3 - 360m
Onllwyn Quarry - 763m- Rhas - 1,071m
- Elwyn - 1,787m
- Nanthir - 1,964m