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Llyn Cau - Photo 1
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Photo: Cadair Idris wide view.jpg via Wikidata Q13129747 License

Llyn Cau

Lake

Cool today
Editor's Notes
Llyn Cau is one of Wales's most dramatic glacial lakes, cupped in a near-perfect rock amphitheatre beneath the summit crags of Cadair Idris. The Minffordd Path climbs past it, and the deep blue tarn ringed by 300-metre cliffs is a highlight of the mountain.

lake in Wales

Interactive map not available

Weather at Llyn Cau

42°F, Light drizzle · H 46° / L 38° · 91% chance of rain
H: 46° L: 38°
Light drizzle
Light drizzle
42°
|
Feels like 34°
Precipitation
91%
Humidity
93%
Wind
17 mph
UV Index
0.5
Weather notes:
🏄Good for surfing/sailing🌧️Rain expected
12 AM
Fog
38°
3 AM
Fog
41°
6 AM
Light drizzle
43°
9 AM
Light drizzle
44°
12 PM
Light rain
44°
3 PM
Light drizzle
42°
6 PM
Patchy rain nearby
43°
9 PM
Patchy rain nearby
42°

Frequently asked questions

Where is Llyn Cau?
Llyn Cau is a lake in Wales.
Can you swim at Llyn Cau?
There is no fixed answer for Llyn Cau: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Llyn Cau 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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