Small slate working.
Publications (1)
- Richards, Alun John (1991); Gazeteer of the Welsh Slate Industry, A; Gwasg Carreg Gwalch 978-0863811968
Tu Hwnt y Bwlch
Slate Quarry
Jan 1st, 2024 from GWSI by Buddle-Bot
| North Wales | |
| Porthmadog | |
| 52.9280839, -4.1417921 | |
| SH 5613 3889 | |
| Private Land | |
| 45m | |
| #1,464 |
Tyddyn Llwyn - 237m- Moel y Gest - 243m
Gallt y Calch Ironworks - 445m- Penrhynllwyd - 468m
Pensyflog Rocks Mine - 614m- Morfa Lodge - 640m
- Garth - 903m
- Ynystywyn - 1,135m
- Llidiart y Spytty - 1,349m
- Bron y Foel - 1,684m
- Penybanc - 1,690m
- Cwm Bach - 1,792m
- Ty'n y Llan - 1,856m
- Garreg Wen - 1,879m