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The latest weather and ground conditions for Yr Wyddfa (Snowdon).

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Ground Conditions

Reported on Tuesday, November 25, 2025

Time: At the summit around 0930
Snow above: 900m
Route taken: PyG path, parts of Llanberis path and Rhyd Ddu path (and Watkin)
Next report: Friday 28-11-25

Snow high on mountain 25-11-25

Conditions
There was snow on the mountain above about 900m today. There were a few patches below this, with some seen as low as 600m. Snow was also seen on the paths from around 750m, and although hard and slippery it was possible to avoid this snow with care. Above 900m there were areas where the snow completely covered the path. The snow here was hard and icy in places, also being slippery as a result.

There were large areas of snow and hard ice high up on the mountain with problematic conditions seen on the PyG and miners' paths below Bwlch Glas, on the upper parts of the Rhyd Ddu and Watkin paths, and to some extent the Llanberis path. On the Llanberis path, although there was a lot of hard snow, there were somewhat easier margins, but a lot of care was needed to walk safely, and further re-freezing can make this more difficult (see Additional Information below).

A sunny day, but very cold, with moderate winds, and clouds coming and going.

Essential equipment
Suitable seasonal walking equipment, including lighting (such as a headtorch or two each).

Carrying an ice axe and some form of crampons will offer safer options when encountering snow and ice on the mountain, until it is certain that your path is clear of snow (rather than hoping and being caught out without sensible options).

Additional Information
On the Tuesday of the report, the forecast suggests that the temperature on the summit will be below freezing to begin with, with further freezing possible by Wednesday morning. During Wednesday the temperature is forecast to rise above freezing, and then for the temperature to remain above freezing for the rest of the period until the next report on Friday. Later on Friday the temperature may drop towards freezing once again. The temperature at the summit is forecast to be as low as -2ºC (feeling like it is as low as -9ºC at times).

With temperatures rising above freezing, and rain forecast, a significant thaw is likely during Wednesday. Despite this it likely to freeze on Tuesday night into Wednesday, and a continuation of conditions of hard and icy snow is likely on Wednesday morning. As it starts to rain during Wednesday the snow and ice may feel even more slippery as it starts to thaw.

After this further thawing is likely, but snow and ice may persist in places for a while. Although it is possible that conditions will be less wintry by Thursday and Friday, it is also possible that any snow that survives could cause problems for anyone who travels on the mountain without preparing for this possibility.

Traversing below y Garnedd
Traversing below y Garnedd
The Bwlch Glas 'Slide'
The Bwlch Glas 'Slide'
Garnedd Ugain slopes
Garnedd Ugain slopes
High on Llanberis path
High on Llanberis path
High on Watkin path
High on Watkin path
High on Rhyd Ddu path
High on Rhyd Ddu path

Forecast

4  Hazards
Today, Wed
Poor Visibility
Severe Chill Effect
Gales
Heavy Persistent Rain

Temperature

Summit: 1.1°C
Llanberis: 8.2°C

Sunset

16:08
Today, Wed
Dark in 4 hours and 9 mins

Webcam

26/11, 11:52

Summit Cafe

Closed
For the winter

Be AdventureSmart

Ask yourself 3 questions before you set off:

  • Am I confident I have the KNOWLEDGE & SKILLS for the day?
  • Do I have the right GEAR?
  • Do I know what the WEATHER will be like?

Visit AdventureSmart Wales to find the answers you need to be kitted up and in the know to be safe!

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