Name Location County Country Power source Type Function River
Quarry Mill Downhead Somerset England Water Watermill Quarry mill/wheel
Waterwheel, Delabole Delabole Cornwall England Water Watermill Quarry mill/wheel
Waterwheel, Rumple Quarry, Plym Bridge Woods, Eggbuckland Eggbuckland, Plymouth Devon England Water Quarry mill/wheel Plym
Slate mill (1), Bwlch Cwmllan Slate Quarry Bwlch Cwmllan, Betws Garmon Caernarfonshire Wales Water Watermill Quarry mill/wheel, Slate mill Tributary to Cwm Llan
Slate mill (2), Bwlch Cwmllan Slate Quarry Bwlch Cwmllan, Betws Garmon Caernarfonshire Wales Water Watermill Quarry mill/wheel, Slate mill Tributary to Cwm Llan
Hafodlas Slate Quarry Mills Betws-y-Coed Caernarfonshire Wales Water Watermill Quarry mill/wheel, Slate mill Tributary to Llugwy
Slate mill, Aberllefenni Aberllefenni, Corris Merionethshire Wales Water Watermill Quarry mill/wheel, Slate mill Dulas
Slate mill, Dolgarth Slate Quarry Dolbenmaen Caernarfonshire Wales Water Watermill Quarry mill/wheel, Slate mill Ceunant Dolgerth
Graig Ddu Slate Works Blaenau Ffestiniog, Ffestiniog Merionethshire Wales Water Watermill Quarry mill/wheel, Slate mill
Slate mill, Drum Slate Quarry, Blaenau Ffestiniog Blaenau Ffestiniog, Ffestiniog Merionethshire Wales Water Watermill Quarry mill/wheel, Slate mill Gamallt
Slate mill, Rhyd-y-sarn Llan Ffestiniog, Ffestiniog Merionethshire Wales Water Watermill Quarry mill/wheel, Slate mill, Tannery Teigl
Slate mill, Minllyn Quarry, Minllyn Minllyn, Mawddwy Merionethshire Wales Water Watermill Quarry mill/wheel, Slate mill Nant Minllyn
Waterwheels, Blaen y Cwm Quarry, Blaenau Ffestiniog Blaen y Cwm Quarry, Blaenau Ffestiniog Caernarfonshire Wales Water Watermill Quarry mill/wheel
Waterwheel, Conglog Slate Quarry, Blaenau Ffestiniog Conglog Slate Quarry, Blaenau Ffestiniog Merionethshire Wales Water Watermill Quarry mill/wheel
Waterwheel, Hendre Quarry, Blaenau Ffestiniog Hendre Quarry, Blaenau Ffestiniog Caernarfonshire Wales Water Watermill Quarry mill/wheel
Waterwheels, Pen-y-bryn Quarry, Nantlle Pen-y-bryn Quarry, Nantlle Caernarfonshire Wales Water Watermill Quarry mill/wheel
Waterwheels, Pen-yr-orsedd Quarry, Nantlle Pen-yr-orsedd Quarry, Nantlle Caernarfonshire Wales Water Watermill Quarry mill/wheel
Waterwheel, Rhiwbach Quarry, Blaenau Ffestiniog Rhiwbach Quarry, Blaenau Ffestiniog Caernarfonshire Wales Water Watermill Quarry mill/wheel
Slate mills, Croesor Quarry, Croesor Croesor Quarry, Croesor Merionethshire Wales Water Watermill Quarry mill/wheel, Slate mill
Slate mill, Wrysgan Quarry, Blaenau Ffestiniog Wrysgan Quarry, Blaenau Ffestiniog Merionethshire England Water Watermill Quarry mill/wheel, Slate mill