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Photo: Llyn Alaw - geograph.org.uk - 170617.jpg via Wikidata Q3399853 License

Llyn Alaw

Reservoir

Cool today

Llyn Alaw (Welsh for 'lily lake') is a man-made reservoir on Anglesey, North Wales, managed by Dŵr Cymru Welsh Water. It is a shallow lake and was built in 1966. It is a Site of Special Scientific Interest and a destination for overwintering birds.

Interactive map not available

Weather at Llyn Alaw

47°F, Light drizzle · H 49° / L 43° · 83% chance of rain
H: 49° L: 43°
Light drizzle
Light drizzle
47°
|
Feels like 46°
Precipitation
83%
Humidity
94%
Wind
3 mph
UV Index
0
Weather notes:
🌧️Rain expected
12 AM
Partly Cloudy
45°
3 AM
Clear
44°
6 AM
Overcast
47°
9 AM
Patchy rain nearby
48°
12 PM
Light rain
47°
3 PM
Light rain
47°
6 PM
Light drizzle
47°
9 PM
Cloudy
47°

Frequently asked questions

Where is Llyn Alaw?
Llyn Alaw is a reservoir in Wales.
Can you swim at Llyn Alaw?
There is no fixed answer for Llyn Alaw: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Llyn Alaw in Wales. Check current water conditions before you go, and follow posted signs and local guidance.

Location & Contact

Wales

🏞️ Best times & visiting tips
  • ›Check for boat launch facilities and fees
  • ›Obtain required fishing licenses before arrival
  • ›Be aware of lake-specific regulations and restrictions
  • ›Monitor water quality reports before swimming
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