Wales is a mountainous country with a wet climate and hence home to many hundreds of waterfalls. Some are popular visitor attractions, many are celebrated in legend whilst others are relatively unknown.
As might be expected in this bilingual country, many waterfalls are known by both English and Welsh names. The terms 'rhaeadr', 'sgwd', 'pistyll' and 'ffrwd' all feature in theWelsh names of waterfalls. 'Sgwd' (plural 'sgydau') is restricted to the southern part of mid Wales, notablyBrecknockshire whilst 'pistyll' is common in the northern parts of mid Wales.
| Waterfall name | River or stream | OS Grid ref. | general location |
|---|---|---|---|
| Aber Falls or Rhaeadr-fawr | Afon Goch /Afon Rhaeadr-fawr | SH668700 | nearAbergwyngregyn |
| Aberdulais Falls | River Dulais | SS772995 | nearAberdulais |
| Arthog Falls | Afon Arthog | SH647143 | nearArthog,Fairbourne |
| Berw-ddu | Afon Dar | SO962020 | west ofAberdare |
| Berw Wion[1] | Nant Lluest / Nant Berw Wion (tributary ofRiver Rhondda) | SS917997 | nearBlaenrhondda |
| Cenarth Falls | River Teifi | SN269415 | nearCenarth |
| Cleddon Falls | unnamed tributary ofRiver Wye | SO520039 | nearLlandogo |
| Conwy Falls or Rhaeadr y Graig Lwyd | River Conwy | SH808535 | nearPenmachno |
| Cyfyng Falls | Afon Llugwy | SH734571 | nearCapel Curig |
| Waterfall name | River or stream | OS Grid ref. | general location |
|---|---|---|---|
| Devil's Punchbowl | Afon Mynach | SN742770 | nearDevil's Bridge |
| Dolgoch Falls | Nant Dol-goch | SH654042 | nearDolgoch |
| Dwfr Ddisgynfa Cwm-du | Afon Cwmau | SN041337 | inCwm Gwaun |
| Dyserth Falls | Afon Ffyddion | SJ057793 | nearDyserth |
| Fairy Falls or Rhaeadr y Tylwyth Teg | Afon Crafnant | SH777630 | nearTrefriw |
| Ffrwd Fawr | Afon Twymyn | SN872940 | nearDylife |
| Ffrwd Milwyn | Nant Milwyn | SN790732 | inCwm Ystwyth |
| Waterfall name | River or stream | OS Grid ref. | general location |
|---|---|---|---|
| Glynhir Waterfall | River Loughor | SN641151 | nearLlandybie |
| Gyfarllwyd Falls | Afon Rheidol | SN742775 | nearDevil's Bridge |
| Hengwm Waterfall[2] | Afon Hengwm | SN744934 | nearForge |
| Henrhyd Falls | Nant Llech | SN853119 | nearCoelbren,Powys |
| Horseshoe Falls | River Dee orAfon Dyfrdwy | SJ195433 | nearLlangollen |
| Llanberis Waterfall[3] | Afon Arddu | SH578593 | nearLlanberis |
| Llech Sychryd | Nant Hir, tributary ofRiver Cynon | SN991073 | nearHirwaun |
| Lower Cilhepste Falls[4] | Afon Hepste, tributary ofRiver Mellte | SN927099 | nearPenderyn |
| Waterfall name | River or stream | OS Grid ref. | general location |
|---|---|---|---|
| Machno Falls | Afon Machno | SH808532 | nearPenmachno |
| Melincourt Falls | Melincourt Brook | SN825016 | nearResolven |
| Mynach Falls orRhaeadr Mynach | Afon Mynach | SN742772 | nearDevil's Bridge |
| Waterfall name | River or stream | OS Grid ref. | general location |
|---|---|---|---|
| Pistyll Blaen-y-cwm | Afon Tanat | SJ007276 | nearPennant Melangell |
| Pistyll Cablyd | Nant Achlas | SJ014266 | nearPennant Melangell |
| Pistyll Cain | Afon Gain | SH733276 | inCoed y Brenin |
| Pistyll Du | Nant y Graean, tributary ofAfon Gain | SH735304 | north edge ofCoed-y-Brenin |
| Pistyll Goleu | Sychnant, tributary ofNant Clydach | ST033963 | northeast ofLlanwonno |
| Pistyll Gwyn | Afon Crawcwellt | SH672299 | east ofRhinogion |
| Pistyll Gwyn | Afon Pumryd, tributary ofRiver Dovey | SH884195 | nearLlanymawddwy |
| Pistyll Henfynachlog | Afon Eiddon,Afon Wnion | SH807231 | nearRhydymain |
| Pistyll y Llyn | Llyfnant | SN753942 | south ofMachynlleth |
| Pistyll Rhaeadr | Afon Disgynfa /Afon Rhaeadr | SJ073295 | nearLlanrhaeadr-ym-Mochnant |
| Pistyll Rhyd-y-meinciau | Afon Eiddew | SH953246 | nearLlyn Efyrnwy |
| Pistyll y Graig-ddu | Nant y Craig-ddu | SJ095189 | nearLlanfyllin |
| Pistyll y Gyfyng | Afon Goch | SJ021246 | nearLlangynog |
| Pwll y Crochan | Sychryd | SN925071 | nearRhigos |
| Pwll-y-Gerwyn[5] | Dare | SN991026 | nearAberdare |
| Pwll y wrach | River Ennig | SO169327 | southeast ofTalgarth |
| Waterfall name | River or stream | OS Grid ref. | general location |
|---|---|---|---|
| Rhaeadr Blaenhafren | River Severn | SN835884 | inHafren Forest |
| Rhaeadr-bach | Afon Rhaeadr-bach | SH664697 | nearAbergwyngregyn |
| Rhaeadr Cynfal | Afon Cynfal | SH704412 | nearLlan Ffestiniog |
| Rhaeadr Du | Afon Prysor | SH667387 | nearMaentwrog |
| Rhaeadr Ewynnol orSwallow Falls | Afon Llugwy | SH765577 | nearBetws-y-coed |
| Rhaeadr Du or Black Waterfalls | Afon Gamlan | SH720245 | inCoed-y-Brenin |
| Rhaeadr-fawr orAber Falls | Afon Goch /Afon Rhaeadr-fawr | SH668700 | nearAbergwyngregyn |
| Rhaeadr Garth or Garth Falls[6] | tributary ofAfon Llugwy | SH777568 | nearBetws y Coed |
| Rhaeadr Mawddach | Afon Mawddach | SH736275 | inCoed-y-Brenin |
| Rhaeadr Mynach orMynach Falls | Afon Mynach | SN742772 | nearDevil's Bridge |
| Rhaeadr Ogwen or Ogwen Falls | Afon Ogwen | SH648605 | Nant Ffrancon |
| Rhaeadr Peiran | Nant Peiran | SN770736 | inCwm Ystwyth |
| Rhaeadr y Cwm | Afon Cynfal | SH740417 | nearLlan Ffestiniog |
| Rhaeadr y Tylwyth Teg orFairy Falls | Afon Conwy | SH777631 | nearTrefriw |
| Rhayadr Cynwyd | Afon Trystion | SJ064405 | nearCynwyd |
| Rheidol Falls | Afon Rheidol | SN709788 | nearDevil's Bridge |
| Waterfall name | River or stream | OS Grid ref. | general location |
|---|---|---|---|
| The Grey Mare's Tail or Rhaeadr y Parc Mawr | unnamed tributary ofAfon Conwy | SH789610 | nearLlanrwst |
| Water-break-its-neck | unnamed tributary ofRiver Lugg | SO183735 | nearLlangunllo |
| Water-break-its-neck | Black Brook | SO183600 | nearLlanfihangel Nant Melan |
Ordnance Survey 1:25,000 scale Explorer map series, sheets 151-266