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Llyn Mymbyr – Moel Siabod summit loop from Capel Curig

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Llyn Mymbyr – Moel Siabod summit loop from Capel Curig

Hard

runners

Llyn Mymbyr – Moel Siabod summit loop from Capel Curig

02:50

18.0km

790m

Running

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

Last updated: May 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc Cenedlaethol Eryri

Waypoints

Start point

Bus stop

Get Directions

317 m

Gwern Gôf Isaf Campsite with View of Tryfan

Highlight • Viewpoint

There are few campsites that enjoy a view as special as Gwern Gôf Isaf. The site is the perfect spot from which to admire Tryfan's unique and intimidating eastern face, …

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659 m

Ogwen Valley Byway (Eastern Section)

Highlight (Segment) • Trail

Blue grade double track leading you from Capel Curig into the Ogwen valley. Classic views of Tryfan and the Carneddau await. After heavy rain it can become a bit muddy in places.

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5.20 km

Llyn Mymbyr

Highlight • Natural

The National Outdoor Centre, Plas y Brenin offers all manner of courses and experience in the mountains of Snowdonia and beyond.

Need to brush up on your nav? This is …

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5.38 km

Plas Y Brenin

Highlight • Cafe

Plas y Brenin - National Outdoor Centre, originally a coaching inn built in 1801, is situated in Capel Curig, in the heart of the Snowdonia National Park. This is the …

Translated by Google •

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5.56 km

Standing on this bridge you have a beautiful view of Llyn Mymbyr and the mountains behind it including Snowdon. This bridge connects Plas Y Brenin National Outdoor Centre with the forests and mountains on the other side.

Translated by Google •

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9.04 km

Moel Siabod summit

Highlight • Viewpoint

There are fantastic views of Snowdonia from the top of Moel Siabod, but the weather must be clear. From the top it is possible to see 13 of the 14 …

Translated by Google •

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13.3 km

Capel Curig, Snowdonia National Park

Highlight • Trail

Although it is only small, there are few better bases for hiking adventures in Britain, never mind just Eryri (Snowdonia), than Capel Curig. It is no surprise that Plas y …

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13.4 km

Capel Curig

Highlight • Forest

Best parking for Capel Curig - free National Trust Car Park

Tip by

18.0 km

End point

Bus stop

Way Types & Surfaces

Way Types

7.12 km

6.89 km

2.05 km

896 m

841 m

197 m

Surfaces

8.42 km

6.77 km

1.46 km

952 m

318 m

< 100 m

Elevation

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

Highest point (840 m)

Lowest point (180 m)

Weather

Tuesday 2 June

14°C

10°C

98 %

Additional weather tips

Max wind speed: 49.0 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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Llyn Mymbyr – Moel Siabod summit loop from Capel Curig

Gwern Gôf Isaf Campsite with View of Tryfan

Ogwen Valley Byway (Eastern Section)

Llyn Mymbyr

Plas Y Brenin

Bridge Over Llyn Mymbyr

Moel Siabod summit

Capel Curig, Snowdonia National Park

Capel Curig

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