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Glyders from Pen-y-Gwryd trail running loop — Parc Cenedlaethol Eryri / Snowdonia National Park

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Glyders from Pen-y-Gwryd trail running loop — Parc Cenedlaethol Eryri / Snowdonia National Park

Hard

runners

Glyders from Pen-y-Gwryd trail running loop — Parc Cenedlaethol Eryri / Snowdonia National Park

02:04

10.7km

780m

Running

This difficult 6.7-mile (10.7 km) trail running loop from Pen-y-Gwryd offers a challenging experience with 2573 feet (784 metres) of elevation gain, typically taking around 2 hours and 4 minutes. You will navigate rugged and sometimes pathless terrain, including bouldery sections and scrambling over large boulders to reach the summit…

Last updated: April 23, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc Cenedlaethol Eryri

Waypoints

Start point

Parking

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3.83 km

Glyder Fach summit and the Cantilever Stone

Highlight • Summit

Home to the impossibly-balanced, much-photographed Cantilever Stone, Glyder Fach is the highlight of the Glyders: a world of jumbled boulders and craggy outcrops, soaring sumptuously above Llyn Ogwen. For an …

Tip by

5.41 km

Glyder Fawr summit

Highlight • Summit

The summit of Glyder Fawr is magnificent. On a clear day you will see incredible views of Snowdon, Crib Goch and Garnedd Ugain. At 3,284 feet (1,001 m), it is the highest peak in the Glyderau range.

Tip by

8.46 km

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 …

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10.7 km

End point

Parking

Way Types & Surfaces

Way Types

3.63 km

3.52 km

1.89 km

1.46 km

181 m

< 100 m

Surfaces

3.24 km

3.11 km

2.26 km

1.85 km

215 m

< 100 m

Elevation

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

Highest point (970 m)

Lowest point (270 m)

Weather

Wednesday 6 May

12°C

4°C

28 %

Additional weather tips

Max wind speed: 25.0 km/h

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This route was planned by komoot.

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Glyders from Pen-y-Gwryd trail running loop — Parc Cenedlaethol Eryri / Snowdonia National Park

Glyder Fach summit and the Cantilever Stone

Glyder Fawr summit

Pen-y-Pass

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