Oakeley quarry
The disused main incline from Oakeley quarry to the Ffestiniog Railway in 1977 | |
| 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, and had 26 floors spanning a vertical height of nearly 1,500 feet (460 m).