Skip to content
Glaslyn - Photo 1
Photo: LlydawAndGlaslyn.JPG via Wikidata Q3405748 License

Glaslyn

Lake

Cool today

Glaslyn (Welsh for 'Blue lake') is a lake in the Snowdonia National Park in Gwynedd, north-west Wales.

Interactive map not available

Weather at Glaslyn

H: 68° L: 48°
Clear
Clear
48°
|
Feels like 46°
Precipitation
5%
Humidity
82%
Wind
6 mph
UV Index
0
Water Conditions:
🥶Too cold for most swimmers
12 AM
Clear
50°
3 AM
Clear
48°
6 AM
Clear
48°
9 AM
Sunny
59°
12 PM
Sunny
65°
3 PM
Sunny
68°
6 PM
Sunny
67°
9 PM
Clear
55°

Sponsored gear checklist

Pack smarter for Glaslyn

Useful gear categories for this kind of water spot. These links open Amazon search results so you can compare current options.

As an Amazon Associate we earn from qualifying purchases.

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.

Visitor Reviews

Be the first to share your experience here

Join our community to share your water adventures

Earn badges as you share your experiences!

💧 Droplet💦 Stream🌊 Wave💧 Current🌀 Tide🌊 Ocean

No reviews yet — share what you know

Been here? A quick note helps the next visitor plan their day. Handy things to mention:

Water temperatureCrowds & parkingBest time to goSafety & access

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

</> Embed this location on your site

Paste this snippet into your website to show a live badge for Glaslyn — free to use with the included credit link.