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Llyn Glaslyn (Glaslyn Lake) – Y Lliwedd loop from Pen-y-Pass

Routes

Hiking trails & Routes

Llyn Glaslyn (Glaslyn Lake) – Y Lliwedd loop from Pen-y-Pass

Hard

4.8

(23)

211

hikers

Llyn Glaslyn (Glaslyn Lake) – Y Lliwedd loop from Pen-y-Pass

04:38

11.2km

640m

Hiking

Hard hike. Good fitness required. Sure-footedness, sturdy shoes and alpine experience required. The starting point of the route is accessible with public transport.

Last updated: April 16, 2026

Tips

Includes segments that may be dangerous

Parts of this route comprise highly technical, difficult, or hazardous terrain. Specialist equipment and prior experience is required.

After 4.70 km for 785 m

After 6.04 km for 509 m

Waypoints

Start point

Bus stop

Get Directions

3.68 km

View of Y Lliwedd and Glaslyn from the Pyg Track

Highlight • Summit

Great views over Glaslyn to the Ridge line of Y Lliwedd from the Pyg Track

Tip by

4.44 km

Llyn Glaslyn (Glaslyn Lake)

Highlight • Natural Monument

The east side of the Snowdon massif is a sensational natural amphitheatre. A horseshoe of charismatic summits: twin peaked Y Lliwedd, towering Garnedd Ugain, the notoriously narrow Crib Goch and …

Tip by

5.61 km

View Along the Watkin Path, Snowdon

Highlight • Trail

Beautiful views everywhere (mountains, lakes, trails, nature, ...)

Translated by Google •

Tip by

6.47 km

Y Lliwedd

Highlight • Viewpoint

If it were almost anywhere else, twin-peaked Y Lliwedd would be far more celebrated than it is. Forming the bulk of Snowdon’s curved south-eastern ridge, it deserves to be treated …

Tip by

6.75 km

East Peak of Y Lliwedd

Highlight • Natural Monument

The quieter & therefore best part of the Snowdon Horseshoe

Tip by

7.09 km

Yr Wyddfa National Nature Reserve

Nature Reserve

8.72 km

View of Crib Goch from Llyn Llydaw

Highlight • Viewpoint

View across the lake to Crib Goch with views of Snowdon summit to the left

Tip by

9.19 km

Viewpoint

9.65 km

Britannia Miners' Barracks Ruins

Highlight • Historical Site

A stone-built terrace of former miners barracks, now roofless. Purpose built to provide accommodation during the week for the miners who worked in the Snowdon Britannia Copper mines during the nineteenth and early twentieth centuries. The mine closed in 1916.

Tip by

9.74 km

Llyn Teyrn

Highlight • Lake

The wonderful stretch of mountain water has a magical atmosphere. Just off the the popular miners track walk on Snowdon, it is the perfect place to stop for a break …

Tip by

11.2 km

End point

Bus stop

Way Types & Surfaces

Way Types

6.37 km

2.71 km

1.31 km

580 m

239 m

Surfaces

3.71 km

3.25 km

2.09 km

1.34 km

766 m

< 100 m

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (850 m)

Lowest point (360 m)

Weather

Thursday 18 June

16°C

14°C

86 %

Additional weather tips

Max wind speed: 38.0 km/h

to get more detailed weather forecasts along your route

Comments

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Llyn Glaslyn (Glaslyn Lake) – Y Lliwedd loop from Pen-y-Pass

View of Y Lliwedd and Glaslyn from the Pyg Track

Llyn Glaslyn (Glaslyn Lake)

View Along the Watkin Path, Snowdon

Y Lliwedd

East Peak of Y Lliwedd

View of Crib Goch from Llyn Llydaw

Britannia Miners' Barracks Ruins

Llyn Teyrn

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