List of lakes in Wales 5352140 223084253 2008-07-02T14:22:56Z 21stCenturyGreenstuff 6295372 /* Vale of Glamorgan */ This is a '''list of lakes in Wales'''. Most lakes in Wales start with the word "''Llyn''", which is [[Welsh language|Welsh]] for "''Lake''". ==By area== In terms of surface area, the eight largest lakes in Wales are *[[Llyn Trawsfynydd]] — {{convert|1180|acre|km2}} *[[Llyn Tegid]] (Bala Lake) — {{convert|1123|acre|km2}} *[[Llyn Brenig]] — {{convert|920|acre|km2}} *[[Llyn Celyn]] — {{convert|815|acre|km2}} *[[Llyn Alaw]] — {{convert|762|acre|km2}} *[[Claerwen Reservoir]] — {{convert|664|acre|km2}} *[[Llyn Brianne]] — {{convert|530|acre|km2}} *[[Caban-coch Reservoir]] and [[Garreg-ddu Reservoir]] — {{convert|500|acre|km2}} ==By unitary authority== This list of Welsh lakes ordered by [[unitary authority]] includes lakes with a surface area of greater than 5 [[acre]]s (2 [[hectare]]s), but excludes those lakes and ponds created as part of an active industrial site (i.e, works ponds) and also excludes service reservoirs used to store drinking water as part of the water supply system. Grid references identify the approximate centre of the lake or the dam in the case of artificial reservoirs. For some lakes, the unitary authority boundary passes through a lake. In these case the lake is represented in the list for each appropriate authority. Known occurrences include [[Llyn Brenig]], [[Pontsticill reservoir]], [[Llwynon reservoir]], [[Cantref Reservoir]] and [[Dol y Gaer reservoir]]. All occurrences are marked with an asterisk (*). ===Anglesey=== {| border=1 cellspacing=10 cellpadding=5 style="border-collapse: collapse; background:#f0f0f0;" !width=30%|Lake name !width=20%|Catchment !width=10%|Grid ref. !width=10%|Area (acres) !width=30%|Status/Use |- |[[Llyn Alaw]] |[[River Alaw]] |{{gbm4ibx|SH375853}} |762 |Water supply to north [[Anglesey]] |- |[[Llyn Bodgylched]] |No main catchment |{{gbm4ibx|SH585770}} | | |- |[[Llyn Cefni]] |[[Afon Cefni]] |{{gbm4ibx|SH443771}} |167 | Water supply to central Anglesey |- |[[Llyn Coron]] |No main catchment |{{gbm4ibx|SH380700}} |69 | |- |[[Llyn Dinam]] |No main catchment |{{gbm4ibx|SH312778}} |24 | |- |[[Llyn y Gors]] |No main catchment |{{gbm4ibx|SH575748}} | |Amenity (fishing) |- |[[Llyn Gwaith-glo]] |No main catchment |{{gbm4ibx|SH450713}} | | |- |[[Llyn Llygeirian]] |No main catchment |{{gbm4ibx|SH347898}} | | |- |[[Llyn Llywenan]] |No main catchment |{{gbm4ibx|SH347815}} | | |- |[[Llyn Llwydiarth]] |[[Afon Braint]] |{{gbm4ibx|SH549786}} | | |- |[[Llyn Maelog]] |No main catchment |{{gbm4ibx|SH325730}} |59 | |- |[[Llyn Pen y Parc]] |No main catchment |{{gbm4ibx|SH585751}} | |Water supply (disused) |- |[[Llyn Penrhyn]] |No main catchment |{{gbm4ibx|SH313770}} |55 |RSPB bird reserve |- |[[Llyn Rhosddu]] |No main catchment |{{gbm4ibx|SH425648}} | | |- |[[Llyn Traffwll]] |No main catchment |{{gbm4ibx|SH325770}} |91 | |- |[[Llyn Treflesg]] |No main catchment |{{gbm4ibx|SH307770}} | |RSPB bird reserve |- |} ===Cardiff=== {| border=1 cellspacing=10 cellpadding=5 style="border-collapse: collapse; background:#f0f0f0;" !width=30%|Lake name !width=20%|Catchment !width=10%|Grid ref. !width=10%|Area (acres) !width=30%|Status/Use |- |[[Cardiff Bay Barrage]] |[[River Taff]] |{{gbm4ibx|ST190726}} | |Amenity |- |[[Llanishen Reservoir]] |[[River Rhymney]] |{{gbm4ibx|ST185815}} | |Water supply to [[Cardiff]] |- |[[Lisvane Reservoir]] |[[River Rhymney]] |{{gbm4ibx|ST189822}} | |Water Supply to Cardiff |- |[[Roath lake]] |[[River Rhymney]] |{{gbm4ibx|ST184795}} | |Recreation and amenity |- |} ===Carmarthenshire=== {| border=1 cellspacing=0 cellpadding=5 style="border-collapse: collapse; background:#f0f0f0;" !width=30%|Lake name !width=20%|Catchment !width=10%|Grid ref. !width=10%|Area (acres) !width=30%|Status/Use |- |[[Llyn Brianne]] |[[River Tywi]] |{{gbm4ibx|SN790485}} |530 |Regulation reservoir |- |[[Upper and Cwm Lliedi Reservoirs]] | |{{gbm4ibx|SH000000}} | |ex water supply |- |[[Llyn y Fan Fach]] |[[River Tywi]] |{{gbm4ibx|SN803219}} | | |- |[[Usk Reservoir]] |[[River Usk]] |{{gbm4ibx|SN832288}} | |Water supply |- |} ===Ceredigion=== {| border=1 cellspacing=0 cellpadding=5 style="border-collapse: collapse; background:#f0f0f0;" !width=30%|Lake name !width=20%|Catchment !width=10%|Grid ref. !width=10%|Area (acres) !width=30%|Status/Use |- |[[Llyn Berwyn]] |[[River Teifi]] |{{gbm4ibx|SN743569}} |40 |Natural lake |- |[[Llyn Craigpistyll]] |[[River Dyfi]] |{{gbm4ibx|SN722858}} | |Natural lake |- |[[Dinas Reservoir]] |[[River Rheidol]] |{{gbm4ibx|SH000000}} | |Hydrolecticity |- |[[Llyn Du]] |[[River Severn]] |{{gbm4ibx|SN800698}} | |Natural lake |- |[[Llyn Egnant]] |[[River Teifi]] |{{gbm4ibx|SN792674}} | |Water supply |- |[[Falcondale Lake]] |[[River Teifi]] |{{gbm4ibx|SN563491}} | |Amenity |- |[[Llyn Frongoch]] |[[River Ystwyth]] |{{gbm4ibx|SN721752}} | |Lead mining ?/ Natural |- |[[Llyn Fyrddon Fach]] |[[River Severn]] |{{gbm4ibx|SN796701}} | |Natural lake |- |[[Llyn Fyrddon Fawr]] |[[River Severn]] |{{gbm4ibx|SN800708}} | |Natural lake |- |[[Llyn Glandwgan]] |[[River Ystwyth]] |{{gbm4ibx|SN707752}} | |Natural lake |- |[[Glanmerin Lake]] |[[River Dyfi]] |{{gbm4ibx|SN755990}} | |Natural lake |- |[[Llyn y Gorlan]] |[[River Teifi]] |{{gbm4ibx|SN786670}} | |Water supply |- |[[Llyn Gwngi]] |[[River Severn]] |{{gbm4ibx|SN839729}} | |Natural lake |- |[[Llyn Hir]] |[[River Teifi]] |{{gbm4ibx|SN789676}} | |Water supply |- |[[Nant y Moch Reservoir]] |[[River Rheidol]] |{{gbm4ibx|SN870636}} | |Hydroelecticity |- |[[Llyn Rhosrhydd]] |[[River Ystwyth]] |{{gbm4ibx|SN705759}} | |Natural lake |- |[[Llyn Syfydrin]] |[[River Rheidol]] |{{gbm4ibx|SN723848}} | |Natural lake |- |[[Teifi Pools|Llyn Teifi]] |[[River Teifi]] |{{gbm4ibx|SN781675}} | |Water supply |- |} ===Conwy=== {| border=1 cellspacing=0 cellpadding=5 style="border-collapse: collapse; background:#f0f0f0;" !width=30%|Lake name !width=20%|Catchment !width=10%|Grid ref. !width=10%|Area (acres) !width=30%|Status/Use |- |[[Aled Isaf Reservoir]] |[[River Clwyd]] |{{gbm4ibx|SH912594}} | |Water supply |- |[[Llyn Aled]] |[[River Clwyd]] |{{gbm4ibx|SH917574}} | |Water supply |- |[[Llyn Alwen]] |[[River Dee, Wales|River Dee]] |{{gbm4ibx|SH943538}} | | |- |[[Llyn Bochlwyd]] |[[River Ogwen]] |{{gbm4ibx|SH654592}} |10 | |- |[[Llyn Bodgynydd]] | |{{gbm4ibx|SH760592}} |14 |Industrial supply (disused) |- |[[Llyn Brenig]] |[[River Dee, Wales|River Dee]] |{{gbm4ibx|SH973555}} |920 | Flow regulation |- |[[Llyn Coedty]] |[[River Conwy]] |{{gbm4ibx|SH754666}} | | Hydroelectricity |- - |[[Llyn Conwy]] |[[River Conwy]] |{{gbm4ibx|SH780462}} | |Water supply for [[Llanrwst]] |- |[[Llyn Cowlyd]] |[[River Conwy]] |{{gbm4ibx|SH727624}} |269 | Water supply for [[Conwy]] |- |[[Llyn Crafnant]] |[[River Conwy]] |{{gbm4ibx|SH749610}} |52 |Water supply for Llanrwst |- |[[Llyn Dulyn|Dulyn Reservoir]] |[[River Conwy]] |{{gbm4ibx|SH700665}} |33 |Water supply |- |[[Llyn Eigiau]] |[[River Conwy]] |{{gbm4ibx|SH720651}} |120 | |- |[[Llyn Elsi]] |[[River Conwy]] |{{gbm4ibx|SH783552}} |26 | |- |[[Llyn Geirionydd]] |[[River Conwy]] |{{gbm4ibx|SH763608}} |45 | |- |[[Llyn Goddionduon]] |[[River Conwy]] |{{gbm4ibx|SH753586}} |10 | |- |[[Ffynnon Lloer]] |[[River Ogwen]] |{{gbm4ibx|SH662621}} |6 | |- |[[Ffynnon Llugwy]] |[[River Conwy]] |{{gbm4ibx|SH692627}} |40 | |- |[[Llynnau Mymbyr]] |[[River Conwy]] |{{gbm4ibx|SH000000}} |58 | |- |[[Llyn Ogwen]] |[[River Ogwen]] |{{gbm4ibx|SH659604}} |78 | |- |[[Llyn y Parc]] |[[River Conwy]] |{{gbm4ibx|SH792588}} |22 | |- |} ===Denbighshire=== {| border=1 cellspacing=0 cellpadding=5 style="border-collapse: collapse; background:#f0f0f0;" !width=30%|Lake name !width=20%|Catchment !width=10%|Grid ref. !width=10%|Area (acres) !width=30%|Status/Use |- |[[Llyn Brân]] | |{{gbm4ibx|SH000000}} | | |- |[[Llyn Brenig]] |[[River Dee, Wales|River Dee]] |{{gbm4ibx|SH973555}} |920 | Flow regulation |- |[[Nant-y-Ffrith Reservoir]] | |{{gbm4ibx|SH000000}} | | |- |[[Pendinas Reservoir]] | |{{gbm4ibx|SH000000}} | | |- |} ===Flintshire=== {| border=1 cellspacing=0 cellpadding=5 style="border-collapse: collapse; background:#f0f0f0;" !width=30%|Lake name !width=20%|Catchment !width=10%|Grid ref. !width=10%|Area (acres) !width=30%|Status/Use |- |[[Llyn Helyg]] |[[River Clwyd]] |{{gbm4ibx|SJ113772}} |37 | |- |} ===Gwynedd=== {| border=1 cellspacing=0 cellpadding=5 style="border-collapse: collapse; background:#f0f0f0;" !width=30%|Lake name !width=20%|Catchment !width=10%|Grid ref. !width=10%|Area (acres) !width=30%|Status/Use |- |[[Llyn yr Adar]] |[[River Glaslyn]] |{{gbm4ibx|SH655479}} |10 | |- |[[Llyn Anafon]] |[[Afon Aber]] |{{gbm4ibx|SH698698}} |13 |Water supply |- |[[Llyn Arenig Fach]] | |{{gbm4ibx|SH827417}} |34 |Natural lake |- |[[Llyn Arenig Fawr]] |[[River Dee, Wales|River Dee]] |{{gbm4ibx|SH846380}} |84 | water supply for Bala town |- |[[Llynnau Barlwyd]] |[[River Dwyryd]] |{{gbm4ibx|SH710484}} |10 + 5 | Industrial water supply |- |[[Llyn y Bi]] |[[River Mawddach]] |{{gbm4ibx|SH669264}} |6 | |- |[[Llyn Bodlyn]] |[[Afon Ysgethin]] |{{gbm4ibx|SH648239}} |42 | Water supply |- |[[Llyn Bowydd]] |[[River Dwyryd]] |{{gbm4ibx|SH725467}} |22 |Industrial water supply. |- |[[Llyn Caerwych]] |[[River Dwyryd]] |{{gbm4ibx|SH640350}} |5 | |- |[[Llyn Cau]] |[[River Dysynni]] |{{gbm4ibx|SH714123}} |33 | |- |[[Llyn Celyn]] |[[River Dee, Wales|River Dee]] |{{gbm4ibx|SH000000}} |815 |River Regulation |- |[[Llyn Conglog]] |[[River Dwyryd]] |{{gbm4ibx|SH674473}} |18 | |- |[[Llyn Conglog Mawr]] |[[River Dwyryd]] |{{gbm4ibx|SH758387}} |8 | |- |[[Craiglyn Dyfi]] also written as ''Creiglyn Dyfi'' |[[River Dyfi]] |{{gbm4ibx|SH867225}} |15 |Natural corrie lake |- |[[Llyn Croesor]] |[[River Glaslyn]] |{{gbm4ibx|SH661457}} |5 | |- |[[Llyn Cwm Corsiog]] | |{{gbm4ibx|SH663470}} |7 |Industrial water supply (disused) |- | [[Llyn Cwellyn]] |[[Afon Gwyrfai]] |{{gbm4ibx|SH559549}} |215 | Water supply |- |[[Llyn Cwm Bychan]] |[[Afon Artro]] |{{gbm4ibx|SH640312}} |25 | |- |[[Llyn Cwm Dulyn]] |[[River Llyfni]] |{{gbm4ibx|SH492495}} |34 |Water supply |- |[[Llyn Cwmffynnon]] |[[River Conwy]] |{{gbm4ibx|SH649562}} |20 | |- |[[Llyn Cwm-mynach]] |[[River Mawddach]] |{{gbm4ibx|SH678237}} |14 | |- |[[Llyn Cwmorthin]] |[[River Dwyryd]] |{{gbm4ibx|SH677463}} |22 | |- |[[Llynnau Cwm Silyn]] |[[River Llyfni]] |{{gbm4ibx|SH513508}} |15 + 15 | |- |[[Llyn Cwm y Foel]] |[[River Glaslyn]] |{{gbm4ibx|SH655468}} |8 | |- |[[Llyn Cwmystradllyn]] |[[River Dwyfor]] |{{gbm4ibx|SH561444}} |98 |Natural lake |- |[[Llyn Cynwch]] |[[River Mawddach]] |{{gbm4ibx|SH737207}} |26 |Amenity |- |[[Llyn Dinas]] |[[River Glaslyn]] |{{gbm4ibx|SH616495}} |60 |Natural lake |- |[[Llynnau Diwaunedd]] |[[River Conwy]] |{{gbm4ibx|SH682537}} |19 + 13 |Natural lakes |- |[[Llyn Dulyn]] |[[Afon Ysgethin]] |{{gbm4ibx|SH661244}} |5 |Natural lake |- |[[Llyn Du'r Arddu]] |[[River Seiont]] |{{gbm4ibx|SH600557}} |5 |Natural lake |- |[[Llyn Dwythwch]] |[[River Seiont]] |{{gbm4ibx|SH570580}} |24 | |- |[[Llyn y Dywarchen]] |[[Afon Gwyrfai]] |{{gbm4ibx|SH560534}} |40 | |- |[[Llyn Edno]] |[[River Glaslyn]] |{{gbm4ibx|SH62497}} |10 | |- |[[Llyn Eiddew-mawr]] |[[Afon Artro]] |{{gbm4ibx|SH646338}} |22 | |- |[[Llyn Ffynnon y Gwas]] |[[Afon Gwyrfai]] |{{gbm4ibx|SH591553}} |10 | |- |[[Llyn y Gadair]] |[[Afon Gwyrfai]] |{{gbm4ibx|SH568521}} |50 | |- |[[Llyn Gwynant]] |[[River Glaslyn]] |{{gbm4ibx|SH644519}} |85 | |- |[[Llyn Hesgyn]] |[[River Dee, Wales|River Dee]] |{{gbm4ibx|SH885442}} |5 | |- |[[Llyn Hywel]] | |{{gbm4ibx|SH663266}} |13 | |- |[[Llyn Idwal]] |[[River Ogwen]] |{{gbm4ibx|SH645596}} |28 | |- |[[Llyn Llagi]] |[[River Glaslyn]] |{{gbm4ibx|SH649482}} |8 | |- |[[Llyn Llydaw]] |[[River Glaslyn]] |{{gbm4ibx|SH629543}} |110 | |- |[[Llyn Llywelyn]] |[[River Glaslyn]] |{{gbm4ibx|SH562499}} |6 | |- |[[Llyn Mair]] |[[River Dwyryd]] |{{gbm4ibx|SH652412}} |14 | |- |[[Marchlyn Bach reservoir]] |[[River Seiont]] |{{gbm4ibx|SH607625}} | | |- |[[Marchlyn Mawr]] |[[River Seiont]] |{{gbm4ibx|SH615622}} | |Hydroelectricity |- |[[Llyn Mwyngil]] |[[River Dysynni]] |{{gbm4ibx|SH717099}} | | |- |[[Llyn Nantlle Uchaf]] |[[Afon Llyfni]] |{{gbm4ibx|SH514530}} |80 | |- |[[Llyn Newydd]] |[[River Dwyryd]] |{{gbm4ibx|SH722471}} |12 | |- |[[Llyn Peris]] |[[River Seiont]] |{{gbm4ibx|SH591595}} |95 | |- |[[Llyn Padarn]] |[[River Seiont]] |{{gbm4ibx|SH572613}} |280 | Hydroelectricity |- |[[Tanygrisiau reservoir]] |[[River Dwyryd]] |{{gbm4ibx|SH679441}} |95 | |- |[[Llyn Tecwyn Isaf]] | |{{gbm4ibx|SH629370}} |7 | |- |[[Llyn Tecwyn Uchaf]] |[[River Dwyryd]] |{{gbm4ibx|SH640381}} |31 | |- |[[Llyn Tegid]] – (Bala Lake) |[[River Dee, Wales|River Dee]] |{{gbm4ibx|SH911338}} |1,123 | |- |[[Llyn Teyrn]] |[[River Glaslyn]] |{{gbm4ibx|SH641547}} |5 | |- |[[Llyn Trawsfynydd]] |[[River Dwyryd]] |{{gbm4ibx|SH674377}} |1,180 | Nuclear and Hydroelectricity |- |[[Llyn Tryweryn]] |[[River Dee, Wales|River Dee]] |{{gbm4ibx|SH788384}} |20 | |- |[[Llyn Wylfa]] | |{{gbm4ibx|SH000000}} |6 | |- |} ===Merthyr Tydfil=== {| border=1 cellspacing=0 cellpadding=5 style="border-collapse: collapse; background:#f0f0f0;" !width=30%|Lake name !width=20%|Catchment !width=10%|Grid ref. !width=10%|Area (acres) !width=30%|Status/Use |- |[[Cantref Reservoir]] * |[[River Taff]] |{{gbm4ibx|SN996154}} | |Water supply |- |[[Dol y Gaer Reservoir]] * |[[River Taff]] |{{gbm4ibx|SO060118}} | |Water supply |- |[[Llwynon Reservoir]] * |[[River Taff]] |{{gbm4ibx|SO012113}} | |Water supply |- |[[Pontsticill Reservoir]] * |[[River Taff]] |{{gbm4ibx|SO060118}} | |Water supply |- |} ===Monmouthshire=== {| border=1 cellspacing=0 cellpadding=5 style="border-collapse: collapse; background:#f0f0f0;" !width=30%|Lake name !width=20%|Catchment !width=10%|Grid ref. !width=10%|Area (acres) !width=30%|Status/Use |- |[[Llandegfedd reservoir]] |[[River Usk]] |{{gbm4ibx|ST325985}} |434 |Water supply |- |[[Wentwood reservoir]] |[[River Usk]] |{{gbm4ibx|ST430929}} |41 |Water supply |- |} ===Neath Port Talbot=== {| border=1 cellspacing=0 cellpadding=5 style="border-collapse: collapse; background:#f0f0f0;" !width=30%|Lake name !width=20%|Catchment !width=10%|Grid ref. !width=10%|Area (acres) !width=30%|Status/Use |- |[[Eglwys Nunydd]] |[[River Afan]] |{{gbm4ibx|SS791855}} |260 |Industrial water supply + fishing |- |[[Kenfig Pool]] |[[River Kenfig]] |{{gbm4ibx|SS791855}} |70 |Natural lake |- |} ===Pembrokeshire=== {| border=1 cellspacing=0 cellpadding=5 style="border-collapse: collapse; background:#f0f0f0;" !width=30%|Lake name !width=20%|Catchment !width=10%|Grid ref. !width=10%|Area (acres) !width=30%|Status/Use |- |[[Bosherston ponds]] |Coastal stream |{{gbm4ibx|SR974946}} | |Natural lakes |- |[[Llys-y-Frân]] |[[Western Cleddau]] |{{gbm4ibx|SN036242}} |212 |Water supply |- |[[Rosebush Reservoir]] |[[Western Cleddau]] |{{gbm4ibx|SN061291}} |30 |Water supply |- |} ===Powys=== {| border=1 cellspacing=0 cellpadding=5 style="border-collapse: collapse; background:#f0f0f0;" !width=30%|Lake name !width=20%|Catchment !width=10%|Grid ref. !width=10%|Area (acres) !width=30%|Status/Use |- |[[Beacons Reservoir]] |[[River Taff]] |{{gbm4ibx|SN987182}} |52 |Water supply |- |[[Caban-coch Reservoir]] |[[River Severn]] |{{gbm4ibx|SN924645}} |500 (including Garreg-ddu Reservoir) |Water supply |- |[[Cantref Reservoir]] * |[[River Taff]] |{{gbm4ibx|SN996154}} |42 |Water supply |- |[[Claerwen Reservoir]] |[[River Severn]] |{{gbm4ibx|SN869963}} |664 |Water supply |- |[[Llyn Clywedog]] |[[River Severn]] |{{gbm4ibx|SN911870}} | |River regulation |- ||[[Craig-goch Reservoir]] |[[River Severn]] |{{gbm4ibx|SN893686}} |217 |Water supply |- |[[Cray reservoir]] |[[River Usk]] |{{gbm4ibx|SN883220}} |100 |Water supply |- |[[Dol y gaer Reservoir]] (Pentwyn) * |[[River Taff]] |{{gbm4ibx|SO054144}} | |Water supply |- |[[Garreg-ddu Reservoir]] |[[River Severn]] |{{gbm4ibx|SN911639}} |500 (including Caban-coch Reservoir) |Water supply |- |[[Llangorse Lake]] |[[River Usk]] |{{gbm4ibx|SO132266}} |327 |Natural lake |- |[[Llwynon Reservoir]] * |[[River Taff]] |{{gbm4ibx|SO012113}} |150 |Water supply |- |[[Llyn y Fan Fawr]] |[[River Tawe]] |{{gbm4ibx|SN832216}} | | |- |[[Lower Neuadd Reservoir]] |[[River Taff]] |{{gbm4ibx|SO030180}} | |Water supply |- |[[Upper Neaudd Reservoir]] |[[River Taff]] |{{gbm4ibx|SO029188}} | |Water supply |- |[[Penygarreg Reservoir]] |[[River Severn]] |{{gbm4ibx|SN911673}} |124 |Water supply |- |[[Pontsticill Reservoir]] * |[[River Taff]] |{{gbm4ibx|SO060118}} | |Water supply |- |[[Talybont Reservoir]] |[[River Usk]] |{{gbm4ibx|SO104205}} | |Water supply |- |[[Lake Vyrnwy]] (Llyn Efyrnwy) | |{{gbm4ibx|SH000000}} | |Water supply |- |[[Ystradfellte Reservoir]] |[[River Neath]] |{{gbm4ibx|SN955175}} | |Water supply |- |} ===Rhondda Cynon Taff=== {| border=1 cellspacing=0 cellpadding=5 style="border-collapse: collapse; background:#f0f0f0;" !width=30%|Lake name !width=20%|Catchment !width=10%|Grid ref. !width=10%|Area (acres) !width=30%|Status/Use |- |[[Llyn Fawr]] |[[River Taff]] |{{gbm4ibx|SN917034}} |24 | |- |} ===Swansea=== {| border=1 cellspacing=0 cellpadding=5 style="border-collapse: collapse; background:#f0f0f0;" !width=30%|Lake name !width=20%|Catchment !width=10%|Grid ref. !width=10%|Area (acres) !width=30%|Status/Use |- |[[Lake Fendrod]] |[[River Tawe]] |{{gbm4ibx|SS676967}} |13 |Amenity |- |[[Lower Lliw Reservoir]] |[[River Lliw]] |{{gbm4ibx|SN650036}} | |Water Supply |- |[[Upper Lliw Reservoir]] |[[River Lliw]] |{{gbm4ibx|SN661062}} | |Water Supply |- |[[River Tawe|Tawe Barrage]] |[[River Tawe]] |{{gbm4ibx|SH664926}} | |Amenity |- |} ===Vale of Glamorgan=== {| border=1 cellspacing=0 cellpadding=5 style="border-collapse: collapse; background:#f0f0f0;" !width=30%|Lake name !width=20%|Catchment !width=10%|Grid ref. !width=10%|Area (acres) !width=30%|Status/Use |- |[[Cosmeston Park|Cosmeston Lake]] |[[River Cadoxton]] |{{gbm4ibx|ST176692}} | |Amenity |- |[[Hensol Castle Lake]] |[[River Ely]] |{{gbm4ibx|ST045789}} | |Amenity |- |} ===Wrexham=== {| border=1 cellspacing=0 cellpadding=5 style="border-collapse: collapse; background:#f0f0f0;" !width=30%|Lake name !width=20%|Catchment !width=10%|Grid ref. !width=10%|Area (acres) !width=30%|Status/Use |- |[[Cae Llwyd Reservoir]] | |{{gbm4ibx|SJ270479}} | | |- |[[Ty Mawr Reservoir]] | |{{gbm4ibx|SJ276480}} | | |- |} {{Commonscat|Lakes of Wales}} {{Europe topic|List of lakes in}} {{Wales topics}} [[Category:Lakes of Wales| ]] [[Category:Lists of lakes|Wales]] [[Category:Wales-related lists|Lakes]] [[cy:Rhestr llynnoedd Cymru]]