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Llyn Syfaddan
Lake
Llangorse Lake, or Llangors Lake (Welsh: Llyn Syfaddon, variant: Llyn Syfaddan), is the largest natural lake in Mid and South Wales, and is situated in the Brecon Beacons National Park, near the town of Brecon and the village of Llangors. The lake is famous for its coarse fishing (particularly pike), watersports, the afanc (a monster nicknamed 'Gorsey') and has the only example of a crannog in Wales. Llangorse Lake is also one of the most mentioned sites in Welsh folklore.
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Weather at Llyn Syfaddan
43°F, Patchy rain nearby · H 47° / L 37° · 78% chance of rain3-day forecast









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