| Name | Location | County | Country | Power source | Type | Function | River |
| Cwm Mill, Crasswall | Crasswall | Herefordshire | United Kingdom | Water | Watermill | Corn mill | Monnow |
| Lower Mill, Clodock | Clodock | Herefordshire | United Kingdom | Water | Watermill | Corn mill | Monnow |
| Monnow Mill, Monmouth | Monmouth | Monmouthshire | United Kingdom | Water | Watermill | Corn mill | Monnow |
| Monnow Mill, Monmouth | Monmouth | Monmouthshire | United Kingdom | Water | Watermill | Corn mill | Monnow |
| Perthyre Mill, Rockfield | Rockfield, Llangattock-vibon-avel | Monmouthshire | United Kingdom | Water | Watermill | Corn mill, Fulling mill, Paper mill | Monnow |
| Ruthlin Mill, Rockfield | Rockfield, Llangattock-vibon-avel | Monmouthshire | United Kingdom | Water | Watermill | Corn mill, Paper mill | Monnow |
| Skenfrith Mill, Skenfrith | Skenfrith | Monmouthshire | United Kingdom | Water | Watermill | Corn mill | Monnow |