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Moel Eilio from Llanberis trail running loop — Parc Cenedlaethol Eryri | Snowdonia National Park

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Running trails & routes

Moel Eilio from Llanberis trail running loop — Parc Cenedlaethol Eryri | Snowdonia National Park

Hard

runners

Moel Eilio from Llanberis trail running loop — Parc Cenedlaethol Eryri | Snowdonia National Park

01:44

12.8km

650m

Running

This difficult 7.9-mile (12.8 km) trail running loop from Llanberis to Moel Eilio offers a challenging ascent and panoramic rewards, typically taking 1 hour and 43 minutes to complete. You will gain 2139 feet (652 metres) in elevation as you climb through Llanberis and onto a bridleway, with the path…

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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4.42 km

Moel Eilio Summit

Highlight • Viewpoint

The grassy summit of Moel Eilio enjoys a glorious position on the western edge of mountainous Snowdonia. You can gaze northwest and enjoy the views of Anglesey and the Irish …

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6.77 km

Foel Goch Summit

Highlight • Viewpoint

A grassy minor summit in the Moel Eilio ridge-line.

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7.70 km

Cwm Maesgwm (Telegraph Valley)

Highlight • Trail

Cwm Maesgwm is known as Telegraph Valley because of the power lines that run up it. It's a great way of gaining height out of Llanberis without using the busy …

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12.8 km

End point

Parking

Way Types & Surfaces

Way Types

8.24 km

1.85 km

1.83 km

810 m

Surfaces

5.90 km

2.88 km

1.55 km

1.20 km

917 m

273 m

Elevation

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

Highest point (700 m)

Lowest point (110 m)

Weather

Sunday 31 May

14°C

11°C

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This route was planned by komoot.

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Moel Eilio from Llanberis trail running loop — Parc Cenedlaethol Eryri | Snowdonia National Park

Moel Eilio Summit

Foel Goch Summit

Cwm Maesgwm (Telegraph Valley)

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