| Name | Location | County | Country | Power source | Type | Function | River |
| Pandy Odyn, Dolgellau | Dolgellau | Merionethshire | United Kingdom | Water | Watermill | Woollen mill | Tributary to Wnion |
| Pandy, Esgair Wen | Brithdir and Llanfachreth | Merionethshire | United Kingdom | Water | Watermill | Woollen mill | Tributary to Wnion |
| Watermill, Dolgellau | Dolgellau | Merionethshire | United Kingdom | Water | Watermill | Woollen mill | Tributary to Wnion |