Updated
Llyn Conwy (SH780462) is a lake in the county borough of Conwy in central north Wales. It is the source of the River Conwy which, on flowing south out of the lake, swings round to then generally flow in a northerly direction for a distance of some 27 miles (43 km) to its discharge in Conwy Bay. Llyn Conwy lies at a height of about 1,488 ft, with a maximum depth of 16 feet, and is by far the biggest lake of the Migneint moors, an extensive area of blanket mire with high rainfall - about 260 cm p.a.
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Weather at Llyn Conwy
45°F, Light rain · H 47° / L 40° · 88% chance of rain3-day forecast









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