Updated
Photo: Chwarel Dinorwig World Heritage Site, from a drone 01.jpg via Wikidata Q3401781 License
Llyn Peris
Reservoir
Cool today
Llyn Peris is a lake in Snowdonia, Wales, approximately 1.8 km long and situated close to the villages of Llanberis and Nant Peris, and the smaller twin of Llyn Padarn. The lake was formed glacially and is an example of a moraine-dammed lake. Llyn Peris is named after Saint Peris, an early Christian saint of whom little is known.
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Weather at Llyn Peris
47°F, Clear · H 48° / L 40° · 88% chance of rain3-day forecast
H: 48° L: 40°
Clear
47°
|
Feels like 46°
Precipitation
88%
Humidity
93%
Wind
4 mph
UV Index
1
12 AM
47°
3 AM
46°
6 AM
48°
9 AM
46°
12 PM
42°
3 PM
41°
6 PM
43°
9 PM
48°
Frequently asked questions
- Where is Llyn Peris?
- Llyn Peris is a reservoir in Wales.
- Can you swim at Llyn Peris?
- There is no fixed answer for Llyn Peris: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Llyn Peris 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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