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Llyn Cwm Bychan

Llyn Cwm Bychan

The best road cycling routes around Llyn Cwm Bychan

4.9

(9)

1,058

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rides

Looking for the best road cycling routes around Llyn Cwm Bychan? Then browse our collection of rides around this beautiful lake in in Gwynedd below — and discover more of on your next visit.

Last updated: December 9, 2025

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1. Harlech Castle – Harlech Castle loop from Pentre Gwynfryn

17.7km

01:00

320m

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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Moderate

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2. Caernarfon Castle – The Cob Causeway loop from Talsarnau

92.9km

04:11

930m

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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Hard

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3. Penmachno Climb – Ffynnon Eidda from Ysbyty Ifan loop from Talsarnau

74.2km

03:55

1,160m

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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Hard

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4. Bryn Gwenyn Covert – Coed Camlyn loop from Talsarnau

19.7km

00:53

170m

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

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Easy

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5. A loop around the Rhinog mountains — Snowdonia National Park

81.1km

04:25

1,290m

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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Hard

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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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The best road cycling routes around Llyn Cwm Bychan

1. Harlech Castle – Harlech Castle loop from Pentre Gwynfryn

2. Caernarfon Castle – The Cob Causeway loop from Talsarnau

3. Penmachno Climb – Ffynnon Eidda from Ysbyty Ifan loop from Talsarnau

4. Bryn Gwenyn Covert – Coed Camlyn loop from Talsarnau

5. A loop around the Rhinog mountains — Snowdonia National Park

Most popular routes around Llyn Cwm Bychan

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