List of lakes of Wales
This is a list of lakes in Wales, including those created as reservoirs. The names of most lakes in Wales start with the word "Llyn", which is Welsh for "lake". Except where otherwise referenced, all lakes listed here are named on the relevant Ordnance Survey map at 1:25000 scale.[1]
By area
In terms of surface area, the ten largest lakes in Wales are
- Bala Lake (Llyn Tegid) — 1,196 acres (4.84 km2)
- Llyn Trawsfynydd — 1,180 acres (4.8 km2)
- Lake Vyrnwy — 1,120 acres (4.5 km2)
- Llyn Brenig — 894 acres (3.62 km2)
- Llyn Celyn — 800 acres (3.2 km2)
- Llyn Alaw — 762 acres (3.08 km2)
- Claerwen Reservoir— 655 acres (2.65 km2)
- Clywedog Reservoir — 601 acres (2.43 km2)
- Nant-y-moch Reservoir — 525 acres (2.12 km2)
- Caban Coch Reservoir — 519 acres (2.10 km2)
All of the above, with the exception of Bala Lake, are reservoirs held back by dams. Bala Lake was the largest natural lake in Wales though its level has been artificially controlled by sluices since about 1804.[2] The largest natural lake in South Wales is Llangorse Lake (Llyn Syfaddan), which is also the second largest natural lake.
By counties and county boroughs
This list of Welsh lakes ordered by
Dol-y-gaer Reservoir. All occurrences are marked with an asterisk (*).[3]
Anglesey
| Lake name | Catchment | Grid ref. | Area (acres) | Status/Use |
|---|---|---|---|---|
| Llyn Alaw | River Alaw
|
SH375853 | 762 | water supply to north Anglesey |
| Llyn Bodgylched | No main catchment | SH585770 | ||
| Llyn Cefni | Afon Cefni | SH443771 | 167 | water supply to central Anglesey |
Llyn Coron
|
No main catchment | SH380700 | 69 | |
| Llyn Dinam | No main catchment | SH312778 | 24 | |
| Llyn y Gors | No main catchment | SH575748 | amenity (fishing) | |
| Llyn Gwaith-glo | No main catchment | SH450713 | ||
| Llyn Llygeirian | No main catchment | SH347898 | ||
| Llyn Llywenan | No main catchment | SH347815 | Largest natural body of water on Anglesey | |
| Llyn Llwydiarth | Afon Braint | SH549786 | ||
| Llyn Maelog | No main catchment | SH325730 | 65 | former water supply to Rhosneigr |
| Llyn Pen y Parc | No main catchment | SH585751 | water supply (disused) | |
| Llyn Penrhyn | No main catchment | SH313770 | 55 | RSPB bird reserve |
| Llyn Rhosddu | No main catchment | SH425648 | ||
| Llyn Traffwll | No main catchment | SH325770 | 91 | |
| Llyn Treflesg | No main catchment | SH307770 | RSPB bird reserve |
Blaenau Gwent
| Lake name | Catchment | Grid ref. | Area (acres) | Status/Use |
|---|---|---|---|---|
| Blaen-y-Cwm Reservoir (Blaen Clydach Reservoir) | Ebbw River/River Clydach | SO174131 | 50 | Reservoir, originally constructed in 1813
to supply the Nantyglo Ironworks.[4]
|
| Carno Reservoir | Ebbw River | SO164131 | reservoir | |
| Cwmtillery Reservoir | Ebbw River | SO220071 | reservoir | |
| Lower Boat Pond | Ebbw River | SO174118 | 6.25 | amenity, formerly industrial supply along with smaller Upper Boat Pond |
| Rhyd-y-blew Pond | Ebbw River | SO160112 | ||
| Parc Brynbach lake | Sirhowy River | SO127101 | amenity | |
| Shon-Sheffrey's Reservoir | Sirhowy River | SO129116 | reservoir |
Bridgend
| Lake name | Catchment | Grid ref. | Area (acres) | Status/Use |
|---|---|---|---|---|
| Kenfig Pool | River Kenfig | SS797815 | 70 | natural lake |
| Craig yr Aber Reservoir | Nant Craig yr Aber | SS853857 | man-made dam |
Caerphilly
| Lake name | Catchment | Grid ref. | Area (acres) | Status/Use |
|---|---|---|---|---|
| Lower Blaen Rhymney Reservoir | Rhymney River | SO103103 | reservoir | |
| Upper Blaen Rhymney Reservoir | Rhymney River | SO098104 | reservoir | |
| Bute Town Reservoir | Rhymney River | SO101091 | ||
| Caerphilly Castle moat | Rhymney River | ST155872 | ||
| Nant-y-draenog Reservoir | Sirhowy River | ST188935 | 5 | reservoir |
| Parc Cwm Darran Lake | Rhymney River | SO117032 | amenity | |
| Rhaslas Pond | Rhymney River | SO095072 | ||
| Ffrwd Farm lake (west) | Rhymney River | ST154920 | angling | |
| Ffrwd Farm lake (east) | Rhymney River | ST155920 | angling | |
| Pen-y-fan Pond | Sirhowy River | SO196004 | 14 | built as canal feed reservoir. |
Cardiff
| Lake name | Catchment | Grid ref. | Area (acres) | Status/Use |
|---|---|---|---|---|
| Cardiff Bay | River Taff/River Ely | ST190726 | 500 | amenity |
| Hendre Lake | No main catchment | ST245805 | 12 | recreation and amenity |
| Llanishen Reservoir | Rhymney River | ST185815 | 59 | water supply to Cardiff |
| Lisvane Reservoir | Rhymney River | ST189822 | water supply to Cardiff | |
Roath lake
|
Rhymney River | ST184795 | 30 | recreation and amenity |
Carmarthenshire
| Lake name | Catchment | Grid ref. | Area (acres) | Status/Use |
|---|---|---|---|---|
| Llyn Brianne | River Tywi
|
SN790485 | 530 | regulation reservoir |
| Garn Ffrwd pond? | Gwendraeth Fach
|
SN508142 | 5 | |
| Llanelli North Dock lake | Coastal waterbody | SS498996 | amenity (former dock) | |
| Llyn Llech Owen Reservoir | Gwendraeth Fawr
|
SN568151 | amenity/reservoir | |
| Cwm Lliedi Reservoir | Afon Lliedi
|
SN519036 | ex water supply | |
| Llyn y Fan Fach | River Tywi
|
SN803219 | 25 | natural |
| Llyn Taliaris | Afon Dulais
|
SN634283 | ||
| Lower Talley Lake | Afon Cothi
|
SN633331 | 62 | natural lake |
| Lagoons at National Wetlands Centre
|
Coastal waterbodies | SS529986 | conservation/wildlife | |
| Old Castle Pond/Pond Twym | Coastal lake | SN500003 | Amenity | |
| Sandy Water | Coastal lake | SN495003 | amenity | |
| Upper Lliedi Reservoir | Afon Lliedi
|
SN511045 | reservoir | |
| Upper Talley Lake | Afon Cothi
|
SN631337 | natural lake | |
| Usk Reservoir | River Usk | SN832288 | water supply | |
| Delta Lake | Coastal lake | SS507987 | amenity |
Ceredigion
Conwy
Denbighshire
| Lake name | Catchment | Grid ref. | Area (acres) | Status/Use |
|---|---|---|---|---|
| Brickfields Pond | River Clwyd | SJ012803 | 8.9 | Local nature reserve |
| Llyn Brân | SH961592 | 31.4 | natural | |
| Llyn Brenig | River Dee | SH973555 | 920 | flow regulation |
| Llyn Cyfynwy | SJ217546 | 17.5 | ||
| Llyn Gweryd | SJ172550 | 13.1 | ||
| Llyn Mynyllod | SJ012402 | 6.2 | ||
Nant-y-Ffrith Reservoir
|
River Cegidog | SJ242530 | 12.1 | |
Pendinas Reservoir
|
River Cegidog | SJ235518 | 16.3 | |
| Rhyl Marine Lake | River Clwyd | SH999804 | 28.7 | |
| unnamed lake on Rûg estate
|
River Dee | SJ058440 | 8.4 |
Flintshire
| Lake name | Catchment | Grid ref. | Area (acres) | Status/Use |
|---|---|---|---|---|
| Llyn Helyg | River Clwyd | SJ113772 | 37 | |
| Padeswood Pool | SJ278619 | 12.6 | angling | |
| Shotwick Lake | River Dee | SJ315725 | amenity | |
| unnamed reservoir, Cilcain | SJ155641 | 5.4 | ||
| unnamed reservoir, Oakenholt | SJ262710 | 5.7 | ||
| Ysceifiog Lake | SJ147716 | 13.8 |
Gwynedd
Merthyr Tydfil
| Lake name | Catchment | Grid ref. | Area (acres) | Status/Use |
|---|---|---|---|---|
| Cyfarthfa Castle Lake | River Taff | SO039073 | amenity | |
Dol-y-gaer (or Pentwyn) Reservoir *
|
River Taff | SO060118 | water supply | |
| Llwyn-on Reservoir * | River Taff | SO012113 | water supply | |
| Penywern Middle Pond | River Taff | SO073083 | angling | |
| Penywern Top Pond | River Taff | SO071086 | angling | |
| Pontsticill Reservoir * | River Taff | SO060118 | water supply |
Monmouthshire
| Lake name | Catchment | Grid ref. | Area (acres) | Status/Use |
|---|---|---|---|---|
| Llandegfedd Reservoir | River Usk | ST325985 | 434 | water supply |
| Pwll Pen-ffordd-goch / Keepers Pond | River Usk | SO255109 | amenity, formerly served Garn-ddyrys ironworks | |
| Wentwood Reservoir | River Usk | ST430929 | 41 | water supply |
Neath Port Talbot
| Lake name | Catchment | Grid ref. | Area (acres) | Status/Use |
|---|---|---|---|---|
| Cwmwernderi Reservoir | SS817902 | reservoir | ||
| Eglwys Nunydd | River Afan | SS791855 | 260 | industrial water supply, fishing |
| Furzemill Pond | River Afan | SS810857 | 5 | former millpond? |
| Llyn Fach | River Neath | SN905037 | Natural lake | |
| Rheola Pond | River Neath | SN843043 | ||
| larger un-named lake at Aberclwyd | River Neath | SN847043 | amenity | |
| smaller un-named lake at Aberclwyd | River Neath | SN852045 | amenity |
Pembrokeshire
| Lake name | Catchment | Grid ref. | Area (acres) | Status/Use |
|---|---|---|---|---|
| Bosherston Lakes | Coastal stream | SR974946 | artificial | |
Llys-y-Frân Reservoir
|
Western Cleddau
|
SN036242 | 212 | water supply |
| Rosebush Reservoir | Western Cleddau
|
SN061291 | 30 | water supply |
Powys
Note: Caban Coch and Garreg-ddu reservoirs are separately named but form one contiguous area of water at normal levels. The area quoted is for the two combined. At high water levels, Pentwyn Reservoir is continuous with Pontsticill Reservoir, its dam being submerged.
Rhondda Cynon Taf
| Lake name | Catchment | Grid ref. | Area (acres) | Status/Use |
|---|---|---|---|---|
| Cantref Reservoir * | River Taff | SN996154 | water supply | |
| Dare Valley Country Park lower lake | River Cynon | SN977028 | amenity | |
| Lluest-wen Reservoir | River Rhondda Fach
|
SN947017 | ||
| Llwyn-on Reservoir * | River Taff | SO012113 | 150 | water supply |
| Llyn Fawr | River Cynon | SN917034 | 24 | Natural but expanded for water supply |
| Nant-hir Reservoir | River Cynon | SN989069 | ||
| Nant-moel Reservoir | River Cynon | SN982071 | ||
| Penderyn Reservoir | River Neath | SN938072 | ||
| ?Perthgelyn Reservoir | River Cynon | ST053970 | reservoir |
Swansea
| Lake name | Catchment | Grid ref. | Area (acres) | Status/Use |
|---|---|---|---|---|
Lake Fendrod
|
River Tawe | SS676967 | 13 | amenity |
Lower Lliw Reservoir
|
River Lliw | SN650036 | water supply | |
| Oxwich Marsh Lake | coastal stream | SS503873 | >15 | natural lake |
| Upper Lliw Reservoir | River Lliw | SN661062 | water supply | |
| Tawe Barrage | River Tawe | SS664926 | amenity | |
| Specimen Lake | River Loughor | SN598056 | 10 | amenity/angling |
Torfaen
| Lake name | Catchment | Grid ref. | Area (acres) | Status/Use |
|---|---|---|---|---|
| Blaen Bran Reservoir (lower) | Afon Lwyd | ST267971 | ||
| Coity Pond | Afon Lwyd | SO233090 | former reservoir |
Vale of Glamorgan
| Lake name | Catchment | Grid ref. | Area (acres) | Status/Use |
|---|---|---|---|---|
Cosmeston Lake
|
River Cadoxton | ST176692 | amenity | |
| Hensol Lake | River Ely | ST045789 | amenity and reservoir | |
| Hensol Mill Pond | River Ely | ST050790 | 6 | former mill pond |
Wrexham
| Lake name | Catchment | Grid ref. | Area (acres) | Status/Use |
|---|---|---|---|---|
| Cae Llwyd Reservoir | River Dee | SJ270479 | 10.6 | |
| Chirk Castle Lake | River Dee | SJ269386 | 11.1 | |
| Fenn's Bank Mere | SJ505386 | 8.4 | ||
Gresford Flash
|
River Dee | SJ346536 | 8.2 | amenity |
| Hanmer Mere | SJ452392 | 44.4 | natural lake, SSSI
| |
| Monk's Pool | River Dee | SJ303448 | 5.2 | |
Pant-yr-ochain Lake
|
River Dee | SJ349529 | 14.1 | |
| Penycae Top Reservoir | River Dee | SJ267452 | 6.2 | |
| Ty Mawr Reservoir | River Dee | SJ276480 | 21.3 | |
| Wynnstay Park Lake | River Dee | SJ307428 | 8.9 |
By national park
Lakes and reservoirs within each of Wales' three national parks.
Brecon Beacons
| Lake name | Catchment | Grid ref. | Area (acres) | Status/Use | County / County Borough(s) |
|---|---|---|---|---|---|
| Beacons Reservoir | River Taff | SN987182 | 52 | water supply | Powys |
| Cantref Reservoir * | River Taff | SN996154 | 42 | water supply | Powys, Rhondda Cynon Taf |
Cray Reservoir
|
River Usk | SN883220 | 100 | water supply | Powys |
Dol-y-gaer (or Pentwyn) Reservoir *
|
River Taff | SO054144 | water supply | Powys | |
| Llyn Gludy | River Usk | SO018298 | Powys | ||
| Llangorse Lake | River Wye | SO132266 | 327 | natural lake | Powys |
| Llangynidr Reservoir | Ebbw River | SO153141 | reservoir | Powys | |
| Llwyn-on Reservoir * | River Taff | SO012113 | 150 | water supply | Merthyr Tydfil, Rhondda Cynon Taf |
| Llyn y Fan Fawr | River Tawe | SN832216 | natural lake | Powys | |
Upper Neuadd Reservoir
|
River Taff | SO029188 | water supply | Powys | |
| Pontsticill Reservoir* | River Taff | SO060118 | water supply | Merthyr Tydfil, Powys | |
| Pwll Gwy-rhoc | River Clydach | SO183153 | c.5 | natural lake | Powys |
| Talybont Reservoir | River Usk | SO104205 | water supply | Powys | |
| Ty Mawr Pool | River Usk | SO074264 | natural lake | Powys | |
| Usk Reservoir | River Usk | SN832288 | water supply | Carmarthenshire, Powys | |
| Ystradfellte Reservoir | River Neath | SN945175 | water supply | Powys |
Pembrokeshire Coast
| Lake name | Catchment | Grid ref. | Area (acres) | Status/Use | Principal area/s |
|---|---|---|---|---|---|
| Bosherston Lakes | Coastal stream | SR974946 | natural lakes | Pembrokeshire | |
| Rosebush Reservoir, Rosebush | Western Cleddau
|
SN061291 | 30 | water supply | Pembrokeshire |
Snowdonia
| Lake name | Catchment | Grid ref. | Area (acres) | Status/Use | Principal area/s |
|---|---|---|---|---|---|
| Llyn yr Adar | River Glaslyn
|
SH655479 | 10 | Gwynedd | |
| Llyn Anafon | Afon Aber | SH698698 | 13 | water supply | |
| Llyn Arenig Fach | SH827417 | 34 | natural lake | Gwynedd | |
| Llyn Arenig Fawr | River Dee | SH846380 | 84 | water supply, natural lake | Gwynedd |
| Llynnau Barlwyd | River Dwyryd | SH710484 | 10 + 5 | industrial water supply | Gwynedd |
| Llyn y Bi | River Mawddach
|
SH669264 | 6 | Gwynedd | |
| Llyn Bochlwyd | River Ogwen
|
SH654592 | 10 | Conwy | |
| Llyn Bodgynydd | SH760592 | 14 | industrial supply (disused) | Conwy | |
Llyn Bodlyn
|
Afon Ysgethin | SH648239 | 42 | water supply | Gwynedd |
| Llyn Bowydd | River Dwyryd | SH725467 | 22 | industrial water supply | Gwynedd |
| Llyn Caerwych | River Dwyryd | SH640350 | 5 | Gwynedd | |
| Llyn Cau | River Dysynni | SH714123 | 33 | Gwynedd | |
| Llyn Celyn | River Dee | SH858405 | 815 | river regulation | Gwynedd |
Llyn Coedty
|
River Conwy | SH754666 | 11.6 | hydroelectricity | Conwy |
| Llyn Conglog | River Dwyryd | SH674473 | 18 | Gwynedd | |
| Llyn Conglog Mawr | River Dwyryd | SH758387 | 8 | Gwynedd | |
| Llyn Conwy | River Conwy | SH780462 | 101.3 | water supply for Llanrwst | Conwy |
| Llyn Cowlyd | River Conwy | SH727624 | 269 | water supply for Conwy | Conwy |
| Llyn Crafnant | River Conwy | SH749610 | 52 | former water supply | Conwy |
| Creiglyn Dyfi | River Dyfi | SH867225 | 15 | natural corrie lake | Gwynedd |
| Llyn Croesor | River Glaslyn
|
SH661457 | 5 | Gwynedd | |
| Llyn Cwm Corsiog | SH663470 | 7 | industrial water supply (disused) | ||
| Llyn Cwellyn | Afon Gwyrfai | SH559549 | 215 | water supply | Gwynedd |
| Llyn Cwm Bychan | Afon Artro
|
SH640312 | 25 | Gwynedd | |
| Llyn Cwm Dulyn | Afon Llyfni | SH492495 | 34 | water supply | Gwynedd |
Llyn Cwmffynnon
|
River Conwy | SH649562 | 20 | Gwynedd | |
| Llyn Cwm-mynach | River Mawddach
|
SH678237 | 14 | Gwynedd | |
| Llyn Cwmorthin | River Dwyryd | SH677463 | 22 | Gwynedd | |
| Llynnau Cwm Silyn | Afon Llyfni | SH513508 | 15 + 15 | Gwynedd | |
| Llyn Cwm y Foel | River Glaslyn
|
SH655468 | 8 | Gwynedd | |
| Llyn Cwmystradllyn | River Dwyfor
|
SH561444 | 98 | natural lake | Gwynedd |
| Llyn Cynwch | River Mawddach
|
SH737207 | 26 | amenity | Gwynedd |
| Llyn Dinas | River Glaslyn
|
SH616495 | 60 | natural lake | Gwynedd |
| Llynnau Diwaunedd | River Conwy | SH682537 | 19 + 13 | natural lakes | Gwynedd |
| Llyn Dulyn | Afon Ysgethin | SH661244 | 5 | natural lake, reservoir | Gwynedd |
| Dulyn Reservoir | River Conwy | SH700665 | 33 | water supply | Conwy |
| Llyn Du'r Arddu | River Seiont
|
SH600557 | 5 | natural lake | Gwynedd |
| Llyn Dwythwch | River Seiont
|
SH570580 | 24 | Gwynedd | |
| Llyn y Dywarchen | Afon Gwyrfai | SH560534 | 40 | Gwynedd | |
| Llyn Edno | River Glaslyn
|
SH663497 | 10 | Gwynedd | |
| Llyn Eiddew-mawr | Afon Artro
|
SH646338 | 22 | Gwynedd | |
| Llyn Eigiau | River Conwy | SH720651 | 120 | Conwy | |
| Llyn Elsi | River Conwy | SH783552 | 26 | water supply | Conwy |
| Llyn Ffynnon y Gwas | Afon Gwyrfai | SH591553 | 10 | Gwynedd | |
Llyn-y-foel
|
Afon Lledr | SH714547 | natural lake | Conwy | |
| Llyn y Gadair | Afon Gwyrfai | SH568521 | 50 | Gwynedd | |
| Llyn Geirionydd | River Conwy | SH763608 | 45 | Conwy | |
| Llyn Goddionduon | River Conwy | SH753586 | 10 | Conwy | |
| Llyn Gwynant | River Glaslyn
|
SH644519 | 85 | Gwynedd | |
| Llyn Hesgyn | River Dee | SH885442 | 5 | Gwynedd | |
| Llyn Hywel | SH663266 | 13 | Gwynedd | ||
| Llyn Idwal | River Ogwen
|
SH645596 | 28 | Gwynedd | |
| Llyn Irddyn | Afon Ysgethin | SH629222 | natural lake | Gwynedd | |
| Llyn Llagi | River Glaslyn
|
SH649482 | 8 | Gwynedd | |
| Ffynnon Lloer | River Ogwen
|
SH662621 | 6 | Conwy | |
| Ffynnon Llugwy | River Conwy | SH692627 | 40 | Conwy | |
| Llyn Llydaw | River Glaslyn
|
SH629543 | 110 | Gwynedd | |
| Llyn Llywelyn | River Glaslyn
|
SH562499 | 6 | Gwynedd | |
| Llyn Mair | River Dwyryd | SH652412 | 14 | Gwynedd | |
| Marchlyn Bach reservoir | River Seiont
|
SH607625 | Gwynedd | ||
| Marchlyn Mawr | River Seiont
|
SH615622 | hydroelectricity | Gwynedd | |
| Tal-y-llyn Lake (Llyn Mwyngil) | River Dysynni | SH717099 | 220 | Gwynedd | |
| Llynnau Mymbyr | River Conwy | SH708575 | 58 | Conwy | |
| Llyn Nantlle Uchaf | Afon Llyfni | SH514530 | 80 | Gwynedd | |
| Llyn Newydd | River Dwyryd | SH722471 | 12 | Gwynedd | |
| Llyn Ogwen | River Ogwen
|
SH659604 | 78 | Conwy | |
Llyn y Parc
|
River Conwy | SH792588 | 22 | Conwy | |
Tanygrisiau Reservoir
|
River Dwyryd | SH679441 | 95 | Gwynedd | |
Llyn Tecwyn Isaf
|
SH629370 | 7 | Gwynedd | ||
Llyn Tecwyn Uchaf
|
River Dwyryd | SH640381 | 31 | Gwynedd | |
| Bala Lake – (Llyn Tegid) | River Dee | SH911338 | 1,196 | Gwynedd | |
| Llyn Teyrn | River Glaslyn
|
SH641547 | 5 | Gwynedd | |
| Llyn Trawsfynydd | River Dwyryd | SH674377 | 1,180 | nuclear power (formerly) & HEP | Gwynedd |
| Llyn Tryweryn | River Dee | SH788384 | 20 | Gwynedd | |
| Llyn Wylfa | SH671163 | 6 | Gwynedd |
By supply to England
Many Welsh lakes supply the nation itself with water, however, some lakes and reservoirs supply England.[6][7]
The main reservoirs created for this purpose include:
| Reservoir name | Location | Built by | Supplies water to |
|---|---|---|---|
| Lake Vyrnwy | Powys | Liverpool Corporation | Liverpool, Cheshire and Manchester |
| Claerwen | Elan Valley reservoirs
|
Birmingham Corporation Water Department | Birmingham |
| Craig-goch | Elan Valley reservoirs
|
Birmingham Corporation Water Department | Birmingham |
| Pen-y-garreg | Elan Valley reservoirs
|
Birmingham Corporation Water Department | Birmingham |
| Garreg-ddu | Elan Valley reservoirs
|
Birmingham Corporation Water Department | Birmingham, |
| Caban-coch[8] | Elan Valley reservoirs
|
Birmingham Corporation Water Department | Birmingham |
| Alwen Reservoir | Conwy | The Corporation of Birkenhead | Birkenhead[9] |
| Llyn Celyn (via and Bala Lake) | Gwynedd | Liverpool Corporation Waterworks | Liverpool |
Llyn Clywedog
|
Powys | Reed and Mallick of Salisbury | Shropshire, West Midlands to Bristol |
Former lakes
| Lake name | Catchment | Grid ref. | Area (acres) | Status/Use | Principal area |
|---|---|---|---|---|---|
| Bryn-bach Pond[10] | Sirhowy River | SO122100 | formerly industrial use (not same site as modern lake) | Blaenau Gwent | |
| Cairn Mound Impounding Reservoir | River Clydach | SO202136 | former reservoir[11] | Blaenau Gwent | |
| Clyn-mil Pond[12] | River Taff | SO062052 | formerly industrial use | Merthyr Tydfil | |
| Glyn-dyrys Pond[13] | River Taff | SO049047 | formerly industrial use | Merthyr Tydfil | |
| Hirwaun Ponds[14] | River Cynon | SN945060 | formerly industrial use | Rhondda Cynon Taf | |
Lower Neuadd Reservoir
|
River Taff | SO030180 | former reservoir (dam breached) | Merthyr Tydfil[15] | |
| Llyn Nantlle-isaf[16] | Afon Llyfni | SH506528 | natural lake | Gwynedd | |
| Pitwellt Pond | River Taff | SO078098 | former reservoir (dam breached) | Merthyr Tydfil | |
| Rhyd-y-blew Pond (Rassa) | Ebbw River | SO160112 | formerly industrial use | Blaenau Gwent | |
| Scotch Peter's Reservoir[17] | Sirhowy River | SO155088 | former reservoir | Blaenau Gwent |
See also
- List of standardised Welsh lake names in Snowdonia
References
Wikimedia Commons has media related to Lakes of Wales.
- ^ Ordnance Survey maps. 1:25000
- ^ "Bala Bridge Sluice Gates". Royal Commission on the Ancient and Historical Monuments of Wales. 24 March 2010. Retrieved 2 September 2020.
- ^ "Bing maps". Bing. Retrieved 4 September 2020.
- ^ "Blaen-y-cwm Reservoir; Blaen Clydach Reservoir Ii (291635)". Coflein. RCAHMW. Retrieved 29 September 2021.
- ^ Llyn Manod
- ^ "UK heatwave: How much water does Wales pump to England?". bbc.co.uk. BBC. Retrieved 2 September 2020.
- ^ "Elan Valley reservoirs". People's Collection of Wales. Retrieved 2 September 2020.
- ^ "Powys Digital History Project: Elan Valley Reservoirs". Retrieved 9 May 2012.
- ^ "Future capacity to supply'". What Do They Know?. What Do They Know?. Retrieved 2 September 2020.
- ^ "Monmouthshire X.12 (Dukestown; Llechryd; Rhymni; Tredegar), Revised: 1898 to 1899, Published: 1901". Map images. National Library of Scotland. Retrieved 4 December 2020.
- ^ "Brecknockshire XLVII.3 (Bryn Mawr; Llanelli; Llangatwg), Revised: 1915, Published: 1920". Map images. Ordnance Survey at National Library of Scotland. Retrieved 4 December 2020.
- ^ "Glamorgan XII.6 (Merthyr Tudful), Revised: 1915, Published: 1919". Map images. National Library of Scotland. Retrieved 4 December 2020.
- ^ "Glamorgan XII (includes: Gelli Gaer; Merthyr Tudful.), Surveyed: 1868 to 1875, Published: 1885". Map images. National Library of Scotland. Retrieved 4 December 2020.
- ^ "Glamorgan XI.5 (Aberdar; Penderyn; Rugos), Surveyed: 1867 to 1883, Published: 1885". Map images. National Library of Scotland. Retrieved 4 December 2020.
- ^ "Welsh Water to restore reservoir to natural state". WWT. Retrieved 4 September 2020.
- ^ "Caernarvonshire XXI.SW (includes: Llandwrog; Llanllyfni.), Surveyed: 1888, Published: 1888". Map images. National Library of Scotland. Retrieved 4 December 2020.
- ^ "Monmouthshire XI.SW (includes: Ebbw Vale; Tredegar.), Revised: 1948 to 1949, Published: 1953". Map images. National Library of Scotland. Retrieved 4 December 2020.
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