Very small quarry.
Publications (1)
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
Bryn Manllyn
Slate Quarry
Jan 1st, 2024 from GWSI by Buddle-Bot
| North Wales | |
| Betws Garmon | |
| 53.0817436, -4.1593337 | |
| SH 5546 5602 | |
| Private Land | |
| 230m | |
| #1,422 |
Cwm Bychan Iron Trials? - 181m
Plas y Nant - 244m
Cwellyn Mine - 697m- Castell Cidwm - 821m