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Photo: Glaslyn - geograph.org.uk - 56849.jpg via Wikidata Q20597698 License

Glaslyn

Lake

Cool today
Editor's Notes
Glaslyn is a remote upland lake set in heather moorland high in the Cambrian Mountains near Plynlimon, at the heart of a Montgomeryshire Wildlife Trust nature reserve — a wild, big-sky spot far from any road, close to the dramatic gorge of the Afon Hengwm.

lake in Powys, Wales

Interactive map not available

Weather at Glaslyn

44°F, Light drizzle · H 46° / L 38° · 90% chance of rain
H: 46° L: 38°
Light drizzle
Light drizzle
44°
|
Feels like 37°
Precipitation
90%
Humidity
97%
Wind
15 mph
UV Index
0.1
Weather notes:
🏄Good for surfing/sailing🌧️Rain expected
12 AM
Mist
38°
3 AM
Light drizzle
42°
6 AM
Fog
45°
9 AM
Light drizzle
44°
12 PM
Light rain
43°
3 PM
Patchy rain nearby
42°
6 PM
Light rain shower
44°
9 PM
Patchy rain nearby
43°

Frequently asked questions

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

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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