The northeastern end of the wonderful Nantlle Ridge is characterised by a sinuous switchback ridge and airy summits. Things start to broaden out a bit once you reach the summit of Craig Cwm Silyn, the high point of the whole ridge at 2,408 feet (734 m). It’s a characterful peak whose craggy northern face, popular with climbers, rises up impressively above the Nantlle Valley.

This Highlight is in a protected area

Please check local regulations for: Parc Cenedlaethol Eryri

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Location: Llanllyfni, Gwynedd, North Wales, Wales, United Kingdom

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Best Hikes to Craig Cwm Silyn Summit

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1. The Nantlle Ridge walk from Rhyd-Ddu — Snowdonia National Park

18.1km

07:07

1,030m

Expert hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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5.0

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2. Trum Y Ddysgl – Garnedd-goch Summit loop from Llanllyfni

16.7km

07:24

1,060m

Expert hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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4.5

(2)

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3. Trum Y Ddysgl – Mynydd Craig Goch Summit loop from Beddgelert

23.0km

10:34

1,590m

1,580m

Expert hike. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.

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Tips

David Howells

December 29, 2020

An interesting cairned summit on the way across the Nantlle Ridge. On a sky blue day you couldn't go wrong with the views.

Alex Foxfield

October 17, 2022

The highest peak on the Nantlle Ridge, Craig Cwm Silyn is an excellent viewpoint for northern Snowdonia. The ascent of its rocky, northeast facing spur is an entertaining clamber, while to the west things broaden out towards Garnedd-goch. The mountain's north face, well seen from the village of Nantlle, is steep, rocky and popular with climbers.

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Elevation 760 m

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Location: Llanllyfni, Gwynedd, North Wales, Wales, United Kingdom

Craig Cwm Silyn Summit

1. The Nantlle Ridge walk from Rhyd-Ddu — Snowdonia National Park

2. Trum Y Ddysgl – Garnedd-goch Summit loop from Llanllyfni

3. Trum Y Ddysgl – Mynydd Craig Goch Summit loop from Beddgelert

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