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Photo: Llyn Nantlle Uchaf - geograph.org.uk - 22416.jpg via Wikidata Q3402087 License
Llyn Nantlle Uchaf
Lake
Rainy today
Llyn Nantlle Uchaf (Welsh for 'Upper Nantlle Lake') is a lake in the Nantlle Valley, Gwynedd, Wales. The lake forms the foreground in Richard Wilson's painting "Snowdon from Llyn Nantlle". Llyn Nantlle Isaf (Lower Nantlle Lake) no longer exists as it was drained to protect the slate works.
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Weather at Llyn Nantlle Uchaf
47°F, Light rain · H 49° / L 42° · 83% chance of rain3-day forecast
H: 49° L: 42°
Light rain

47°
|
Feels like 46°
Precipitation
83%
Humidity
96%
Wind
3 mph
UV Index
0
Weather notes:
🌧️Rain expected
12 AM

44°
3 AM

43°
6 AM

46°
9 AM

48°
12 PM

48°
3 PM

47°
6 PM

47°
9 PM

47°
Frequently asked questions
- Where is Llyn Nantlle Uchaf?
- Llyn Nantlle Uchaf is a lake in Wales.
- Can you swim at Llyn Nantlle Uchaf?
- There is no fixed answer for Llyn Nantlle Uchaf: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Llyn Nantlle Uchaf 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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