Trial?
Publications (1)
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
Llwyn Onn
Slate Quarry
Jan 1st, 2024 from GWSI by Buddle-Bot
| North Wales | |
| Barmouth | |
| 52.735875, -4.0335068 | |
| SH 6280 1730 | |
| Private Land | |
| 205m | |
| #1,602 |
Panorama Mine - 824m- Garn - 1,279m
Cell Fawr - 1,429m- Barmouth - 1,612m
- Cell Fechan - 1,652m
- Hafotty - 1,971m