Updated
Llyn Geirionydd
Reservoir
Llyn Geirionydd lies in a valley in North Wales where the northern edge of the Gwydyr Forest meets the lower slopes of the Carneddau mountains. The lake is almost a mile long and covers an area of 45 acres (180,000 m2), but is never any deeper than 50 ft (15 m) according to Jehu's survey. The lake can be reached by car from Trefriw or Llanrwst in the Conwy valley, the lane passing through the hamlet of Llanrhychwyn, or from the road through the Gwydir Forest.
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Weather at Llyn Geirionydd
47°F, Clear · H 48° / L 40° · 88% chance of rain3-day forecast
Frequently asked questions
- Where is Llyn Geirionydd?
- Llyn Geirionydd is a reservoir in Wales.
- Can you swim at Llyn Geirionydd?
- There is no fixed answer for Llyn Geirionydd: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Llyn Geirionydd 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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