MineArchiveCaedryn & Cwm Eigiau Slate Co. Ltd
Formed in 1874 by combining the Cedryn and Cwm Eigiau slate quarries; dissolved in 1885 after the slate was found to be of poor quality.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Cwm Eigiau Quarry | Gwynedd | 1874–1885 |
Record created: 30 August 2026 · Last researched: 30 August 2026