Caedryn Slate Quarry Co. Ltd

Company formed in 1863 to work Cedryn slate quarry in Cwm Eigiau above Dolgarrog; in 1874 it became the Caedryn & Cwm Eigiau Slate Co. Ltd.

Succeeded by	Caedryn & Cwm Eigiau Slate Co. Ltd — The Caedryn Slate Quarry Co. Ltd of 1863 became the Caedryn & Cwm Eigiau Slate Co. Ltd in 1874.

Mines operated

Mine	Region	Years
Cedryn Quarry	Conwy	1863–1874

Record created: 4 October 2026 · Last researched: 4 October 2026