| Name | Location | County | Country | Power source | Type | Function | River |
| Slate mill, Dolgarth Slate Quarry | Dolbenmaen | Caernarfonshire | United Kingdom | Water | Watermill | Quarry mill/wheel, Slate mill | Ceunant Dolgerth |
| Name | Location | County | Country | Power source | Type | Function | River |
| Slate mill, Dolgarth Slate Quarry | Dolbenmaen | Caernarfonshire | United Kingdom | Water | Watermill | Quarry mill/wheel, Slate mill | Ceunant Dolgerth |