| Name | Location | County | Country | Power source | Type | Function | River |
| Felin Tysilio, Menai Bridge | Menai Bridge | Anglesey | United Kingdom | Water | Watermill | Woollen mill | Cadnant |
| Fulling mill, Llandegfan | Llandegfan, Cwm Cadnant | Anglesey | United Kingdom | Water | Watermill | Fulling mill | Cadnant |
| Melin Cadnant, Llandegfan | Llandegfan, Cwm Cadnant | Anglesey | United Kingdom | Water | Watermill | Corn mill | Cadnant |