Updated
Llyn Brianne is a man-made reservoir in the headwaters of the River Towy in Wales.
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Weather at Llyn Brianne
40°F, Light rain shower · H 44° / L 39° · 87% chance of rain3-day forecast
H: 44° L: 39°
Light rain shower

40°
|
Feels like 30°
Precipitation
87%
Humidity
97%
Wind
23 mph
UV Index
0
Weather notes:
🏄Good for surfing/sailing🌧️Rain expected
12 AM

42°
3 AM

44°
6 AM

43°
9 AM

39°
12 PM

39°
3 PM

42°
6 PM

43°
9 PM

43°
Frequently asked questions
- Where is Llyn Brianne?
- Llyn Brianne is a reservoir in Wales.
- Can you swim at Llyn Brianne?
- There is no fixed answer for Llyn Brianne: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Llyn Brianne in Wales. Check current water conditions before you go, and follow posted signs and local guidance.
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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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