All beaches / Wales / Beaches
Dyffryn (Llanendwyn)
Gwynedd
We do not read the water company's overflow data here yet, so storm overflows within 3 km of Dyffryn (Llanendwyn) are not shown.
The cleanest samples over the last four seasons. Heavy rain can lower water quality here.
- Latest E. coli
- 73
- per 100 ml, 15 Sep 2026
- Latest enterococci
- 64
- per 100 ml
- Overflows within 3 km
- -
- Spills nearby, 30 days
- -
- Excellent or Good
- Sufficient
- Poor
- Overflow discharging
- Overflow
- Offline
About this beach
The beach is relatively flat, made up of sand and pebbles, stretching for 8 kilometres to the north of Barmouth. A number of caravan sites are located to the south. The dune system is part of the Morfa Dyffryn Site of Special Scientific Interest and the Morfa Dyffryn National Nature Reserve, which reflects the environmental importance of the site. The beach also lies within the Morfa Harlech a Morfa Dyffryn Special Area of Conservation. The water quality sample point is located directly in line with the board walk.
From the Natural Resources Wales profile.
Storm overflows within 3 km
Nearest first, straight-line distance.We do not read the water company's overflow data here yet, so overflows within 3 km are not shown.