This Moel Siabod Ridge Loop takes in the ancient Welsh quarries, beautiful mountain lakes and amazing views over all of Snowdonia National Park from the summit.

The descent is across a long section of huge “lego bricks” – enormous boulders that are incredible fun to run across.

Distance 5.8 miles

Time 3 hours 20 minutes (walking)

Total Ascent 2,961ft

OS Maps click to open this route on the OS Maps website

Summits Moel Siabod

Views all the 3,000ft mountains in Snowdonia National Park, and miles and miles of North Wales.

This video was little puppy Derek’s second big Welsh mountain and at only 6 months old his first taste of snow.

All footage in the video is from this exact trail route.


Timelapse footage from Moel Siabod

Moel Siabod Ridge Loop | 3D Map | thefrozendivide


Moel Siabod Ridge Loop trail route for walking, hiking, running in Snowdonia


Moel Siabod Ridge Loop | the frozen divide 2


Moel Siabod Ridge Loop | the frozen divide 1


Moel Siabod Ridge Loop | the frozen divide 3



  1. Parking roadside on the main A483 road between Betws Y Coed and Ogwen Valley, the journey up starts across a traditional bridge and winds up a clear track to the first small lake.


2. Halfway up is the old quarry and plenty of abandoned mining houses and structures to explore, with great views back towards Betws Y Coed. The path follows a shallow mountain stream up to the main lake on the trip, Llyn Y Foel.


3. After Llyn Y Foel the fun starts, with an easy scramble up the Ddear Ddu ridge – plenty of nice sized boulders and ledges to play on. We keep the drop on our right at all times, making navigation to the summit really simple in any weather. Wandering to the left inevitably adds plenty unnecessary steps in poor visibility here. The summit view is awesome, taking in all the Welsh 3,000ft mountains in a huge 360 degree panorama.


4. Equally if not more fun than the Ddear Ddu ridge, is taking the north-western ridge line back to the start. These huge boulders are stacked like thousands of enormous lego pieces, rising and falling with phenomenal views all round.


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