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Llyn Cwmffynnon - Photo 1
Photo: Llyn Cwmffynnon - geograph.org.uk - 222106.jpg via Wikidata Q6662934 License

Llyn Cwmffynnon

Lake

Cool today

Llyn Cwm-y-ffynnon is a lake in Snowdonia, below the summit of Moel Berfedd in Cwmffynnon. The lake's original name was Fynnon Mymbyr as outlined in Llywelyn ap Iorwerth's charter of 1198. As the name suggests, the lake nestles in a short valley, a cwm, high above the Pen-y-Gwryd hotel.

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Weather at Llyn Cwmffynnon

H: 65° L: 44°
Sunny
Sunny
60°
|
Feels like 57°
Precipitation
8%
Humidity
73%
Wind
6 mph
UV Index
0.3
Water Conditions:
🥶Too cold for most swimmers
12 AM
Clear
46°
3 AM
Clear
45°
6 AM
Clear
44°
9 AM
Sunny
54°
12 PM
Sunny
61°
3 PM
Sunny
65°
6 PM
Sunny
63°
9 PM
Clear
49°

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Frequently asked questions

Where is Llyn Cwmffynnon?
Llyn Cwmffynnon is a lake in Wales.
Can you swim at Llyn Cwmffynnon?
There is no fixed answer for Llyn Cwmffynnon: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Llyn Cwmffynnon in Wales. Check current water conditions before you go, and follow posted signs and local guidance.

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Best Times to Visit

🧥
Right Now
Cool weather - dress warmly
🏞️ Lakes 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
Best Seasons:
☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

Wales

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