| Name | Location | County | Country | Power source | Type | Function | River |
| Afonwen Mill, Caerwys | Caerwys | Flintshire | United Kingdom | Water | Watermill | Paper mill | Wen |
| Saw mill, Chwilog | Chwilog, Llanystumdwy | Caernarfonshire | United Kingdom | Water | Watermill | Saw mill | Wen |
| Name | Location | County | Country | Power source | Type | Function | River |
| Afonwen Mill, Caerwys | Caerwys | Flintshire | United Kingdom | Water | Watermill | Paper mill | Wen |
| Saw mill, Chwilog | Chwilog, Llanystumdwy | Caernarfonshire | United Kingdom | Water | Watermill | Saw mill | Wen |