Location | |
---|---|
Location in Gwynedd | |
Location | Blaenau Ffestiniog |
County | Gwynedd |
Country | Wales |
Coordinates | 53°00′12″N 3°56′54″W / 53.0032°N 3.9483°W |
Production | |
Products | Slate |
Type | Quarry |
History | |
Opened | 1818 |
Closed | March 2010 |
Oakeley quarry is a slate quarry in the town of Blaenau Ffestiniog, north Wales. It was the largest underground slate mine in the world,[1] and had 26 floors spanning a vertical height of nearly 1,500 feet (460 m).[2]