| Name | Location | County | Country | Power source | Type | Function | River |
| Beddgelert Mill, Beddgelert | Beddgelert | Caernarfonshire | United Kingdom | Water | Watermill | ||
| Bryn y Felin, Beddgelert | Beddgelert | Caernarfonshire | United Kingdom | Water | Watermill | Crushing mill, Mine mill/wheel | Glaslyn |
| Saw mill, Gelli Iago, Beddgelert | Beddgelert | Caernarfonshire | United Kingdom | Water | Watermill | Saw mill | Nantmor |
| Saw mill, Plas Gwynant, Beddgelert | Beddgelert | Caernarfonshire | United Kingdom | Water | Watermill | Saw mill | Llynedno |