A couple of cuts in the hillside with remains of buildings.*
**Need to tease this one from AlltDdu andChwarel Fawr
Publications (1)
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
Allt Ddu
aka Arddu or Chwarel Fawr
Slate Quarry
Jan 1st, 2024 from GWSI by Buddle-Bot
Sep 14th, 2025 by BertyBasset
| North Wales | |
| Dinorwig | |
| 53.127491, -4.1072588 | |
| SH 5910 6100 | |
| Private Land | |
| 290m | |
| #1,268 |
Vivian - 706m- Dinorwig - 805m
- National Slate Museum - 897m
- Alltwen - 914m
- Frondirion - 1,138m
- Chwarel Isaf - 1,189m
- Ladas - 1,256m
- Lloc - 1,287m
- Chwarel Goch - 1,297m
- Fronhyfryd - 1,331m
- Vaynol - 1,426m
- Boundary - 1,690m
- Goodmans - 1,936m