Pit and tunnels. Powder House.***
Publications (2)
- (1988); WMS Newsletter Issue 18 May; 12 pages
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
Hendre Ddu
Slate Quarry
Worked from early 19C to 1898
Jan 1st, 2024 from GWSI by Buddle-Bot
| |
| North Wales | |
| Dolbenmaen | |
| 52.976674, -4.2084932 | |
| SH 5181 4443 | |
| Private Land | |
| 200m | |
| #1,441 | |
Prince Llewelyn - 530m- Moelfre - 729m
- Dolwgan - 759m
- Isallt - 1,434m
- Chwarel y Plas - 1,848m
- Ysgubor Gerrig - 1,908m