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Pen-y-Pass – Snowdon Summit (Yr Wyddfa) loop from Glyder Fawr

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Running trails & routes

Pen-y-Pass – Snowdon Summit (Yr Wyddfa) loop from Glyder Fawr

Hard

5.0

(1)

198

runners

Pen-y-Pass – Snowdon Summit (Yr Wyddfa) loop from Glyder Fawr

03:18

21.4km

970m

Running

Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required. The starting point of the route is right next to a parking lot.

Last updated: February 20, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Gwarchodfa Natur Genedlaethol Yr Wyddfa

Parc Cenedlaethol Eryri

Waypoints

Start point

Parking

Get Directions

2.50 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 …

Tip by

6.80 km

The Zigzags – Pyg and Miners Tracks

Highlight (Segment) • Trail

The top section of the Pyg & Miners Tracks up Yr Wyddfa (Snowdon) is known as the zigzags. The path gets steeper and rockier as it climbs this section. It's …

Tip by

7.33 km

View of the Pyg Track and Lakes in Snowdonia National Park

Highlight • Trail

planned to take this route but parking is scarce, so be careful

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7.37 km

Bwlch Glas Pass

Highlight • Natural Monument

The finger stone at Bwlch Glas marks the point at which the Pyg and Miners' Tracks reach the summit ridge and join the Crib Goch, Ranger and Llanberis Paths. Particularly helpful in poor visibility.

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7.92 km

Snowdon Summit (Yr Wyddfa)

Highlight • Summit

Snowdon (Yr Wyddfa) is perhaps the most ascended mountain in the world, and with good reason. This is a majestic mountain, as is befitting of Wales' highest point.

Its glory …

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7.95 km

Snowdon Mountain Railway

Highlight (Segment) • Structure

Instead of a lame cablecar, the Snowdon can be reached by a beautiful oldfashioned rack and pinion train. Beside four diesel engines build in the late 1980s, there are several …

Translated by Google •

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11.7 km

Llanberis Path

Highlight • Trail

The route from Llanberis is considered the easiest to reach the summit. In terms of terrain, it is a T1 and always very wide. In some places, however, the path …

Translated by Google •

Tip by

21.3 km

Cromlech Boulders

Highlight • Climb

Right opposite the layby are the two main blocks - a good description and link to the topo is at climber.co.uk/outdoor/bouldering/around-the-bloc-the-cromlech-boulders-llanberis

Tip by

21.4 km

End point

Parking

Way Types & Surfaces

Way Types

14.1 km

3.62 km

1.29 km

1.13 km

865 m

382 m

< 100 m

Surfaces

13.6 km

4.79 km

1.22 km

827 m

371 m

315 m

287 m

Elevation

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

Highest point (1,040 m)

Lowest point (110 m)

Weather

Wednesday 20 May

15°C

9°C

44 %

Additional weather tips

Max wind speed: 25.0 km/h

to get more detailed weather forecasts along your route

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

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Pen-y-Pass – Snowdon Summit (Yr Wyddfa) loop from Glyder Fawr

Pen-y-Pass

The Zigzags – Pyg and Miners Tracks

View of the Pyg Track and Lakes in Snowdonia National Park

Bwlch Glas Pass

Snowdon Summit (Yr Wyddfa)

Snowdon Mountain Railway

Llanberis Path

Cromlech Boulders

Nearby routes

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