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United Kingdom
Wales
North Wales
Gwynedd
Beddgelert

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

Routes
Hiking trails & Routes
United Kingdom
Wales
North Wales
Gwynedd
Beddgelert

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

Hard

4.8

(23)

209

hikers

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

04:38

11.2km

650m

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: January 15, 2026

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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 6.03 km for 509 m

Waypoints

A

Start point

Bus stop

Get Directions

1

36 m

Pen-y-Pass

Highlight • Parking

Right in the heart of northern Eryri (Snowdonia), Pen-y-Pass is superbly located for adventures on the Yr Wyddfa (Snowdon) massif and the Glyderau. It is a popular starting point for …

Tip by

2

3.68 km

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

Tip by

3

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

4

5.60 km

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

Translated by Google •

Tip by

5

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

6.74 km

East Peak of Y Lliwedd

Highlight • Natural Monument

The quieter & therefore best part of the Snowdon Horseshoe

Tip by

7

9.19 km

Viewpoint

Viewpoint

8

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

9.73 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

B

11.2 km

End point

Bus stop

Way Types & Surfaces

Way Types

6.37 km

2.71 km

1.31 km

575 m

207 m

< 100 m

Surfaces

3.71 km

3.25 km

2.09 km

1.34 km

541 m

255 m

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Elevation

Elevation

Highest point (850 m)

Lowest point (360 m)

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Weather

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Today

Tuesday 24 February

9°C

7°C

0 %

Additional weather tips

Max wind speed: 42.0 km/h

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Pyg Track & Miners Track loop to Yr Wyddfa / Snowdon from Pen y Pass — Parc Cenedlaethol Eryri / Snowdonia National Park

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