The top cycling routes around Llŷn AONB (AHNE Llŷn) will help you explore the best of this natural park. That’s why we’ve collected our best routes for you; So, what are you waiting for? Scroll down to find your perfect bike ride around Llŷn AONB (AHNE Llŷn).

Last updated: October 3, 2025

4.5

(2)

riders

1. Bwlch Mawr loop from Trefor — Llŷn / Lleyn Peninsula

36.5km

02:20

370m

Intermediate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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2. Pwllelli & Morfa Nefyn loop from Trefor — Llŷn / Lleyn Peninsula

45.8km

03:03

640m

Expert bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.0

(2)

riders

3. Cwt Tatws Café – Hell's Mouth Beach loop from Mynytho

60.4km

03:54

720m

Expert bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Expert

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4. River Glaslyn at Nantmor – Criccieth Castle loop from Abersoch

95.9km

05:51

710m

Expert bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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4.3

(3)

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5. Ty Newydd Cafe – Ty Newydd Pub loop from Moylgrove

40.6km

02:37

500m

Expert bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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The best cycling routes around Llŷn AONB (AHNE Llŷn)

1. Bwlch Mawr loop from Trefor — Llŷn / Lleyn Peninsula

2. Pwllelli & Morfa Nefyn loop from Trefor — Llŷn / Lleyn Peninsula

3. Cwt Tatws Café – Hell's Mouth Beach loop from Mynytho

4. River Glaslyn at Nantmor – Criccieth Castle loop from Abersoch

5. Ty Newydd Cafe – Ty Newydd Pub loop from Moylgrove

Other adventures around Llŷn AONB (AHNE Llŷn)

Most popular routes around Llŷn AONB (AHNE Llŷn)

Most popular attractions around Llŷn AONB (AHNE Llŷn)

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Get ready to conquer new peaks

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