
In numbers.
27m
Height
Mar–Apr
Oct–Nov
Best months
250m
Elevation
The water at Sgwd Henrhyd, month by month
It roars from November to February.
The fullest months: from November to February.
- 97%Jan
- 80%Feb
- 68%Mar
- 54%Apr
- 47%May
- 44%Jun
- 47%Jul
- 52%Aug
- 50%Sep
- 72%Oct
- 90%Nov
- 100%Dec
Best months to go, with plenty of water and pleasant days: from March to April and from October to November.
Estimate from rain, snowmelt and evaporation month by month (NASA POWER, 1991–2020) around the falls. Dams upstream can change the real flow.
Waterfall in Wales
Sgwd Henrhyd is a waterfall in United Kingdom. The water falls 27 m. It lies within Bannau Brycheiniog National Park.
Getting there.
- Seven Sistersnearest town · 5.0 km in a straight line
- Parking 170 m awaynearest car park in OpenStreetMap, straight line
- Cardiff International Airport (CWL)nearest airport with scheduled flights · 50 km in a straight lineCar hire at CWL airport (Cardiff)Discover Cars · Affiliate link↗
- From March to April and from October to Novemberbest months to go (estimate)
Plan your visit
Stay, explore and get there
Some links above are affiliate links: if you book through them we may earn a commission, at no extra cost to you. It never changes what the data on this page says.
How big is it?
How big it really is.
Height of the drop from Wikidata. Buildings and the person are drawn at the same scale.
Seen from the sky.
8 × 8 km of cloud-free satellite image, with what OpenStreetMap knows around the falls.
N
2 km
Sentinel-2 cloudless 2016 (EOX, CC BY 4.0), 8 × 8 km, north up. Points © OpenStreetMap contributors.
The line follows the river as mapped in OpenStreetMap; heights from the 30 m Copernicus model, which smooths narrow drops — the published height of the falls is the one above.
Around the falls the river drops 126 m in 3.6 km.
What is around.
- 1viewpoints
- 1waymarked walking routesHenrhyd Falls and Nant Llech walk, East Wales
- 7car parks
- —swimming spots
- —picnic sites
- 1toilets
- 1information boards and visitor centres
- —bus stops within 1 km
- 1other named waterfalls within 4 kmSgwd Einion Gam
- —caves
- 4campsitesBrecon Beacons Camping & Caravan Park, Cae Glas Camping, Brecon Beacons Caravan Touring Park and 1 more
- 1hotels, B&Bs and huts within 6 kmAncient Briton
- 2restaurants and cafés within 3 km
Counted in OpenStreetMap, the map anyone can edit, up to 2 km around the falls (unless noted). A low number may just mean nobody has mapped it yet. © OpenStreetMap contributors (ODbL).
Towns nearby
- Seven Sisters5.0 km in a straight line
- Glyn-neath6.3 km in a straight line
- Ystalyfera8.7 km in a straight line
- Crynant9.5 km in a straight line
- Resolven9.7 km in a straight line
- Hirwaun12 km in a straight line
- Glyncorrwg13 km in a straight line
- Brynamman14 km in a straight line
Weather
The weather, month by month.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Afternoon °C | 6 | 6 | 8 | 11 | 15 | 17 | 19 | 18 | 16 | 13 | 9 | 6 |
| Night °C | 2 | 1 | 2 | 4 | 6 | 9 | 11 | 11 | 9 | 7 | 4 | 2 |
| Rain & snow (mm) | 128 | 99 | 90 | 71 | 85 | 93 | 102 | 107 | 89 | 131 | 134 | 141 |
| Wet days | 19 | 16 | 16 | 15 | 15 | 15 | 17 | 18 | 16 | 18 | 20 | 19 |
| Sun h/day | 1.5 | 2.5 | 4.0 | 5.7 | 6.4 | 6.3 | 5.9 | 5.1 | 4.7 | 2.8 | 1.7 | 1.2 |
| Snow on the ground (cm) | 6 | 6 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
Long-term averages 1991–2020 (NASA POWER) for a cell about 55 km wide. Not a forecast.
Photos
Through visitors' eyes.
Recent years
Wet years and dry years
Rain of each month as a share of the 1991–2020 average. A wet season above 100 % usually means a fuller waterfall.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | 106% | 282% | 118% | 71% | 20% | 160% | 112% | 138% | 78% | 150% | 93% | 165% |
| 2021 | 153% | 160% | 93% | 24% | 233% | 47% | 88% | 68% | 114% | 166% | 39% | 107% |
| 2022 | 42% | 171% | 52% | 60% | 86% | 83% | 48% | 38% | 121% | 105% | 136% | 79% |
| 2023 | 112% | 25% | 194% | 136% | 40% | 51% | 139% | 99% | 129% | 123% | 104% | 168% |
| 2024 | 93% | 183% | 155% | 174% | 101% | 48% | 99% | 83% | 137% | 98% | 73% | 93% |
| 2025 | 107% | 96% | 30% | 105% | 49% | 125% | 58% | 51% | 188% | 93% | 135% | 134% |
130% wetter than usual 70% drier than usual
Compare with the waterfalls nearby.
About these numbers
| Names, height, width, river | Wikidata (Q3359372) · CC0 |
|---|---|
| Climate | NASA POWER, 1991–2020 |
| Relief, river profile, 3D model | Copernicus DEM GLO-30 · © DLR e.V., © Airbus Defence and Space GmbH, Copernicus/ESA |
| Paths, viewpoints, parking | © OpenStreetMap contributors · ODbL |
| Images | EOX Sentinel-2 cloudless 2016 · CC BY 4.0; Wikimedia Commons |
Every figure is an average, an estimate or a count from a public dataset. Licences and methods: data sources.
The family
Do you prefer beaches, lakes, mountains, waterfalls, islands, rivers or canyons?
Same idea, other landscapes: field atlases built on open data, month by month, in seven languages.






