Small underground working that never produced product.
Publications (1)
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
Rowlyn
Slate Mine
Jan 1st, 2024 from GWSI by Buddle-Bot
| North Wales | |
| Dolgarrog | |
| 53.200847, -3.8593193 | |
| SH 7590 6870 | |
| Private Land | |
| 140m | |
| #1,366 |
Penlan - 141m- Pen y Gaer - 632m
- Porthllwyd - 1,698m