| Name | Location | County | Country | Power source | Type | Function | River |
| Fulling mill, Garndolbenmaen | Garndolbenmaen, Dolbenmaen | Caernarfonshire | United Kingdom | Water | Watermill | Fulling mill | |
| Pen-y-bont Factory, Garndolbenmaen | Garndolbenmaen, Dolbenmaen | Caernarfonshire | United Kingdom | Water | Watermill | Woollen mill |