| Name | Location | County | Country | Power source | Type | Function | River |
| Nant-y-Coy Mill, Treffgarne | Treffgarne | Pembrokeshire | United Kingdom | Water | Watermill | Corn mill | Nant-y-coy Brook |
| Name | Location | County | Country | Power source | Type | Function | River |
| Nant-y-Coy Mill, Treffgarne | Treffgarne | Pembrokeshire | United Kingdom | Water | Watermill | Corn mill | Nant-y-coy Brook |