Llyn Mymbyr – Moel Siabod summit loop from Capel Curig

Hiking trails & Routes

Llyn Mymbyr – Moel Siabod summit loop from Capel Curig

Moderate

4.9

(29)

397

hikers

Llyn Mymbyr – Moel Siabod summit loop from Capel Curig

03:59

7.62km

660m

Hiking

Moderate hike. Good fitness required. Mostly accessible paths. Sure-footedness required. The starting point of the route is accessible with public transport.

Last updated: August 23, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Parc Cenedlaethol Eryri

Waypoints

Start point

Bus stop

Get Directions

144 m

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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174 m

Plas-y-Brenin is an outdoor centre in the settlement of Capel Curig.

In addition to their excellent outdoor ed courses, their bar provides some great food and even better beer after a long day in the mountains.

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278 m

Bridge Over Llyn Mymbyr

Highlight • Lake

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.

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3.77 km

Moel Siabod summit

Highlight • Viewpoint

Moel Siabod is a lonely mountain in Snowdonia, with a trigonometric point of almost 900 metres, above Betws-y-Coed and Capel Curig. The routes up can be easily varied to suit …

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3.83 km

Stone Wind Shelter at the Summit

Highlight • Summit

Such shelter on a windy day is wonderful. Here you can catch your breath, eat/drink something before continuing or returning.

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7.46 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 …

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7.62 km

End point

Bus stop

Way Types & Surfaces

Way Types

6.82 km

542 m

214 m

< 100 m

Surfaces

6.82 km

527 m

111 m

< 100 m

Elevation

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

Highest point (850 m)

Lowest point (190 m)

Weather

Saturday 10 October

12°C

7°C

6 %

Additional weather tips

Max wind speed: 17.0 km/h

to get more detailed weather forecasts along your route

Comments

June 23, 2025,🏴󠁧󠁢󠁷󠁬󠁳󠁿 Moel Siabod - Conwy - Wales

No rain is forecast so it’s a day to climb a mountain. Moel Siabod is on the doorstep of our cottage so the choice was easy. It is the highest peak in the Moelwynion Mountains in the Eryri National Park (Snowdonia) and offers fantastic views of the surrounding mountain ranges including Yr Wyddfa (Snowdon).
Our route started at Plas y …

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