Location | |
---|---|
Location in Conwy | |
Location | near Cwm Penmachno |
County | Conwy County Borough |
Country | Wales, UK |
Coordinates | 53°00′18″N 3°51′35″W / 53.005111°N 3.859802°W grid reference SH7522046962 |
Production | |
Products | Slate |
Type | Quarry |
History | |
Opened | c.1818 |
Active | c.1818-1909; 1909-1962 |
Closed | 1962 |
The Penmachno quarry (also known as Cwm Machno quarry, Rhiwfachno quarry,[1] or Tan-y-Rhiw quarry) was a slate quarry near Cwm Penmachno, Conwy, North Wales. It was directly below the Rhiwbach Quarry. It was worked between 1818 and 1962.[2]