Montgomeryshire
Historic counties data provided by Association of British Counties / Historic Counties Trust.
| Name | Location | County | Country | Power source | Type | Function | River |
| Abbot's Mill, Gungrog | Gungrog, Welshpool | Montgomeryshire | United Kingdom | Wind | Tower mill | ||
| Aber-Rhaeadr Mill, Llanrhaeadr-ym-mochnant | Llanrhaeadr-ym-mochnant | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Tanat |
| Aberangell Mill, Aberangell | Aberangell, Mawddwy | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill, Electricity generating mill, Saw mill | Angell |
| Abermule Mills, Abermule | Abermule, Llandyssil | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | The Mule/Miwl |
| Bacheldre Mill, Churchstoke | Churchstoke | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Caebrita |
| Bettws Cedewain Mill, Bettws Cedewain | Bettws Cedewain | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Bechan Brook |
| Bone mill, Leighton Park | Leighton Park, Forden | Montgomeryshire | United Kingdom | Water | Watermill | Bone mill | Tributary to Severn |
| Bridgend Saw Mill, Llanidloes | Llanidloes | Montgomeryshire | United Kingdom | Water | Watermill | Saw mill | Severn |
| Brithdir Mill, Brithdir, Berriew | Berriew | Montgomeryshire | United Kingdom | Water | Watermill | Woollen mill | Luggy Brook |
| Brook Mill, Mochdre | Mochdre | Montgomeryshire | United Kingdom | Water | Watermill | Woollen mill | Mochdre Brook |
| Bryntail Lead Mine, Llanidloes Without | Llanidloes Without | Montgomeryshire | United Kingdom | Water | Watermill | Lead crushing mill, Mine mill/wheel | Clywedog |
| Cann Office Mill, Llangadfan | Llangadfan | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Banwy or Einion |
| Cil-Cewydd Mills, Cil-Cewydd | Cil-Cewydd | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Severn |
| Coccos Mill, Tregynon | Tregynon | Montgomeryshire | United Kingdom | Water | Watermill | Saw mill | Bechan Brook |
| Crushing mill, Dyfngwm Lead Mine, Trefeglwys | Trefeglwys, Llanbrynmair | Montgomeryshire | United Kingdom | Water | Watermill | Lead crushing mill, Mine mill/wheel | Clywedog |
| Crushing mill, Nant-yr-Eira Lead Mine, Llangurig | Llangurig | Montgomeryshire | United Kingdom | Water | Watermill | Lead crushing mill, Mine mill/wheel | Nant Yr Eira |
| Cwm-mule Mill, Abermule | Abermule, Llandyssil | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill, Fulling mill | The Mule/Miwl |
| Dolforgan Saw Mill, Kerry | Kerry | Montgomeryshire | United Kingdom | Water | Watermill | Saw mill | The Mule/Miwl |
| Dolgau Woollen Factory, Forge | Forge, Cadfarch | Montgomeryshire | United Kingdom | Water | Watermill | Woollen mill | Dulas |
| Factory Isaf, Abercegir | Abercegir, Glantwymyn | Montgomeryshire | United Kingdom | Water | Watermill | Woollen mill | Gwydol |
| Factory Uchaf, Abercegir | Abercegir, Glantwymyn | Montgomeryshire | United Kingdom | Water | Watermill | Woollen mill | Gwydol |
| Factory-Llawr-y-Coed, Dol-fach | Dol-fach, Llanbrynmair | Montgomeryshire | United Kingdom | Water | Watermill | Woollen mill | Iaen |
| Felin Cwm-Llinau, Cwm-Llinau | Cwm-Llinau | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Llinau |
| Felin Dolanog, Dolanog | Dolanog, Llanfihangel | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Vyrnwy/Efyrnwy |
| Felin Gerrig, Glantwymyn | Glantwymyn | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Ceiriog |
| Felin Goegen, Cemmaes | Cemmaes | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Coegen Stream |
| Felin Gytrhos, Llandinam | Llandinam | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Cydrhos Brook |
| Felin Isaf, Llanllugan | Llanllugan | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Rhiw |
| Felin Tal-y-wern, Tal-y-wern | Tal-y-wern | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Nant Gwydol |
| Felin Uchaf, Cefn Coch | Llanllugan | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Rhiw |
| Felindre Mill, Felindre | Berriew | Montgomeryshire | United Kingdom | Water | Watermill | Rhiw | |
| Flannel factory, Penegoes | Penegoes, Cadfarch | Montgomeryshire | United Kingdom | Water | Watermill | Woollen mill | Crewi |
| Forge Woollen Factory (1), Forge | Forge, Cadfarch | Montgomeryshire | United Kingdom | Water | Watermill | Woollen mill | Dulas |
| Forge Woollen Factory (2), Forge | Forge, Cadfarch | Montgomeryshire | United Kingdom | Water | Watermill | Woollen mill | Dulas |
| Fron-fraith Mill, Fron Fraith Wood, Abermule | Abermule, Llandyssil | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | The Mule/Miwl |
| Fulling mill, Aberbechan | Aberbechan | Montgomeryshire | United Kingdom | Water | Watermill | Fulling mill | Bechan Brook |
| Fulling mill, Abercegir | Abercegir, Glantwymyn | Montgomeryshire | United Kingdom | Water | Watermill | Fulling mill | Gwydol |
| Garbett's Hall Mill, Buttington | Buttington | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Tributary to Severn |
| Gellidywyll Mill, Bont Dolgadfan | Bont Dolgadfan, Llanbrynmair | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill, Fulling mill | Twymyn |
| Glascoed Mill, Meifod | Meifod | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Vyrnwy/Efyrnwy |
| Heniarth Mill, Llangyniew | Llangyniew | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Banwy or Einion |
| Henllan Mill, Llangyniew | Llangyniew | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Banwy or Einion |
| Llanidloes Mill, Llandoes Talhaiarn | Llandoes Talhaiarn | Montgomeryshire | United Kingdom | Water | Watermill | ||
| Llawr-y-glyn Mill, Llawr-y-glyn | Trefeglwys | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Trannon |
| Llifior Mill, Garthmyl | Garthmyl, Berriew | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Llifior Brook |
| Llwydiarth Saw Mill, Llwydiarth Park | Llangadfan, Banwy | Montgomeryshire | United Kingdom | Water | Watermill | Saw mill | Vyrnwy/Efyrnwy |
| Lower Brithdir Mill, Brithdir, Berriew | Berriew | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Luggy Brook |
| Lower Mill, Manafon | Manafon | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Rhiw |
| Melin Dol-rhyd, Llanfair Caereinion | Llanfair Caereinion | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Banwy or Einion |
| Melin Rhos-y-gallt, Llanerfyl | Llanerfyl | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Banwy or Einion |
| Melin Tylwch, Tylwch | Llangurig | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Dulas |
| Melin-y-Graig Mill, near Garthbeibio | Llangadfan | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Twrch |
| Melin-y-Grug Mill, Melin-y-Grug Farm | Llanfair Caereinion | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Melin-y-Grug Stream |
| Mochdre Mill, Mochdre | Mochdre | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Mochdre Brook |
| Nant Iago Lead Mine, Llangurig | Llangurig | Montgomeryshire | United Kingdom | Water | Watermill | Lead crushing mill, Mine mill/wheel | Nant Iago |
| New Mills, Llanfyllin | Llanfyllin | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Alan Stream |
| Pandy Bach, Cefn Coch | Llanllugan | Montgomeryshire | United Kingdom | Water | Watermill | Fulling mill | Rhiw |
| Pandy Bach, Clatter | Clatter, Caersws | Montgomeryshire | United Kingdom | Water | Watermill | Fulling mill | Carno |
| Pandy Bach, Forge | Forge, Cadfarch | Montgomeryshire | United Kingdom | Water | Watermill | Woollen mill | Nant Ceniarth |
| Pandy'r Pennant, Pennant | Pennant, Llanbrynmair | Montgomeryshire | United Kingdom | Water | Watermill | Woollen mill | Fachdre |
| Pandy, Commins Coch | Commins Coch, Glantwymyn | Montgomeryshire | United Kingdom | Water | Watermill | Fulling mill | Twymyn |
| Pandy, Gwernafon, Llawr-y-glyn | Trefeglwys | Montgomeryshire | United Kingdom | Water | Watermill | Woollen mill | Trannon |
| Pendre Mill, Llanfyllin | Llanfyllin | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Cain |
| Penegoes Mill, Penegoes | Penegoes, Cadfarch | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Crewi |
| Pentre Mill, Leighton | Leighton | Montgomeryshire | United Kingdom | Water | Watermill | Tributary to Severn | |
| Penybont Mill, Bont Dolgadfan | Bont Dolgadfan, Llanbrynmair | Montgomeryshire | United Kingdom | Water | Watermill | Woollen mill | Twymyn |
| Pontdolgoch Mill, Pontdolgoch | Pontdolgoch, Caersws | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Carno |
| Pontfaen Woollen Factory, Forge | Forge, Cadfarch | Montgomeryshire | United Kingdom | Water | Watermill | Woollen mill | Dulas |
| Pontrobert Mill, Pontrobert, Llangyniew | Pontrobert, Llangyniew | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Vyrnwy/Efyrnwy |
| Pontysgawrhyd Mill, Meifod | Meifod | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Vyrnwy/Efyrnwy |
| Powis Castle Sawmill, Powis, Welshpool | Powis, Welshpool | Montgomeryshire | United Kingdom | Water | Watermill | Saw mill | Shropshire Union Canal |
| Pug mill, Leighton Brickworks, Leighton Park | Leighton Park, Forden | Montgomeryshire | United Kingdom | Pug mill | |||
| Rhiw-Saeson Factory, Pandy-Rhiw-Saeson | Pandy-Rhiw-Saeson, Llanbrynmair | Montgomeryshire | United Kingdom | Water | Watermill | Woollen mill | Rhiwsaeson |
| Rhyd-y-carw Mill, Trefeglwys | Trefeglwys | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Trannon |
| Rhydlydan Mill, Aberhafesp | Aberhafesp, Caerwys | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Nant Rhyd-ros-lan |
| Rock Mill, Rock Wood, Abermule | Abermule, Llandyssil | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | The Mule/Miwl |
| Saw mill, Brongain Farm, Llanfechain | Llanfechain | Montgomeryshire | United Kingdom | Water | Watermill | Farm mill, Saw mill | Cain |
| Saw mill, Pennant | Pennant, Llanbrynmair | Montgomeryshire | United Kingdom | Water | Watermill | Saw mill | Creignant |
| Saw mills, Chapel Hill | Chapel Hill, Tintern | Montgomeryshire | United Kingdom | Water | Watermill | Saw mill, Wire mill | Anghidi |
| Talgarth Mill, Trefeglwys | Trefeglwys | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Trannon |
| Troed-y-Rhiw Factory, Commins Coch | Commins Coch, Glantwymyn | Montgomeryshire | United Kingdom | Water | Watermill | Woollen mill | Twymyn |
| Ty Coch Mill, Pontdolgoch | Pontdolgoch, Caersws | Montgomeryshire | United Kingdom | Water | Watermill | Saw mill | Carno |
| Ty Pandy, Dolanog | Dolanog, Llanfihangel | Montgomeryshire | United Kingdom | Water | Watermill | Fulling mill | Vyrnwy/Efyrnwy |
| Upper Mill Factory, Cefn Coch | Llanllugan | Montgomeryshire | United Kingdom | Water | Watermill | Woollen mill | Rhiw |
| Upper Mill, New Mills | Manafon | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Rhiw |
| Walk mill, Bettws Cedewain | Bettws Cedewain | Montgomeryshire | United Kingdom | Water | Watermill | Fulling mill | Bechan Brook |
| Walk mill, Mochdre | Mochdre | Montgomeryshire | United Kingdom | Water | Watermill | Bleach mill, Woollen mill | Mochdre Brook |
| Walk mill, New Mills | Manafon | Montgomeryshire | United Kingdom | Water | Watermill | Fulling mill | Rhiw |
| Walk mill, Pontdolgoch | Pontdolgoch, Caersws | Montgomeryshire | United Kingdom | Water | Watermill | Woollen mill | Carno |
| Watermill, Cil Mawr, Meifod | Meifod | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill | Vyrnwy/Efyrnwy |
| Watermill, Hydan-fawr | Castle Caereinion | Montgomeryshire | United Kingdom | Water | Watermill | Corn mill, Woollen mill | Banwy or Einion |
| Watermill, Llanfechain | Llanfechain | Montgomeryshire | United Kingdom | Water | Watermill | ||
| Watermill, Newtown | Newtown | Montgomeryshire | United Kingdom | Water | Watermill | ||
| Watermill, Upper Luggy Farm, Berriew | Berriew | Montgomeryshire | United Kingdom | Water | Watermill | Luggy Brook | |
| Waulk Mill, Llandinam | Llandinam | Montgomeryshire | United Kingdom | Water | Watermill | Woollen mill | Tributary to Severn |
| Whitehouse Bone Mill, Powis Castle Estate | Welshpool | Montgomeryshire | United Kingdom | Water | Watermill | Bone mill | Tributary to Severn |
| Woollen Factory, Bont Dalgadfan | Bont Dalgadfan, Llanbrynmair | Montgomeryshire | United Kingdom | Water | Watermill | Woollen mill | Twymyn |
| Woollen Factory, Caersws | Caersws | Montgomeryshire | United Kingdom | Water | Watermill | Woollen mill | Garno |
| Woollen mill, Rock Wood, Abermule | Abermule, Llandyssil | Montgomeryshire | United Kingdom | Water | Watermill | Woollen mill | The Mule/Miwl |