| Name | Location | County | Country | Power source | Type | Function | River |
| Farm mill, Trefathen, Brynsiencyn | Brynsiencyn, Llanidan | Anglesey | United Kingdom | Water | Watermill | Farm mill | |
| Tower mill, Brynsiencyn | Brynsiencyn, Llanidan | Anglesey | United Kingdom | Wind | Tower mill | Corn mill |