Looking for the best mountain biking routes around Llyn Cwm Bychan? Then browse our collection of mtb rides around this beautiful lake in Gwynedd below — and discover more of …

Last updated: September 11, 2025

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1. Telegraph Valley (Maesgwm) – Rhyd Ddu Railway Crossing loop from Penrhyndeudraeth

63.9km

04:57

1,230m

Expert mountain bike ride. Very good fitness required. Suitable for all skill levels.

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Expert

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2. Harlech Coach Road – Afon Artro Riverside Path loop from Llanbedr

25.6km

02:06

590m

Intermediate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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Intermediate

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3.0

(2)

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3. Bwlch y Rhiwgyr – Pont Scethin Stone Bridge loop from Llandanwg

42.3km

03:21

840m

Intermediate mountain bike ride. Good fitness required. Suitable for all skill levels.

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4. View of Llyn Trawsfynydd – Hefin's Wall loop from Trawsfynydd

17.5km

01:22

250m

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

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Easy

5.0

(1)

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5. The Foundry Skills Area – Tarw Du Trail Entrance loop from Bronaber

19.3km

01:36

370m

Intermediate mountain bike ride. Good fitness required. Suitable for all skill levels.

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The best MTB trails around Llyn Cwm Bychan

1. Telegraph Valley (Maesgwm) – Rhyd Ddu Railway Crossing loop from Penrhyndeudraeth

2. Harlech Coach Road – Afon Artro Riverside Path loop from Llanbedr

3. Bwlch y Rhiwgyr – Pont Scethin Stone Bridge loop from Llandanwg

4. View of Llyn Trawsfynydd – Hefin's Wall loop from Trawsfynydd

5. The Foundry Skills Area – Tarw Du Trail Entrance loop from Bronaber

Most popular routes around Llyn Cwm Bychan

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