| Name | Location | County | Country | Power source | Type | Function | River |
| Felin-y-Ffridd, Ffridd Gate | Pennal | Merionethshire | United Kingdom | Water | Watermill | Corn mill | Dulas |
| Fulling mill, Pantperthog | Pennal | Merionethshire | United Kingdom | Water | Watermill | Fulling mill | Dulas |
| Melin Pantperthog, Pantperthog | Pennal | Merionethshire | United Kingdom | Water | Watermill | Corn mill, Fulling mill | Dulas |