| Name | Location | County | Country | Power source | Type | Function | River |
| Abercerdin Mills, Llandysul | Llandysul | Cardiganshire | United Kingdom | Water | Watermill | Woollen mill | Cerdin |
| Pantolwen Mills, Llandysul | Llandysul | Cardiganshire | United Kingdom | Water | Watermill | Corn mill, Woollen mill | Nant Ythan |