List of quarries served by the Ffestiniog Railway The quarries The quarries

| Name_ | Mineral | Opened | Closed | Years_connected | Notes_ |
|---|---|---|---|---|---|
| Blaen y Cwm | Slate | 1820 | 1911 | 1876–1911 | Connected to the FfR via the Rhiwbach Tramway |
| Bowydd | Slate | 1800 | 1870 | 1854–1870 | Merged with Votty to form Votty & Bowydd quarry |
| Brooke`s | Granite | 1919 | ? | ? | Connected by a tramway branching off at the north portal of Moelwyn Tunnel |
| Bwlch-y-Slater | Slate | 1824 | 1960 | 1866–1956 | Connected via the Rhiwbach Tramway |
| Cesail | Slate | 1827 | 1877 | 1836–1877 | Became part of the Oakeley Quarry |
| Conglog | Slate | 1872 | 1920? | 1874–1920 | Remote quarry connected by the Cwmorthin Tramway |