Cycling in Gwynedd is one of the most enjoyable ways to explore more of this part of North Wales. So you can find your perfect Gwynedd bike ride, we’ve reviewed our full collection of cycling routes in the region to deliver the best. Just click on each route to see a full breakdown of detailed information including elevation profiles and surface analyses, and browse real tips and photos uploaded by other members of the komoot community.

Last updated: October 7, 2025

4.9

(29)

226

riders

1. Mawddach Trail & Cregennan Lakes loop from Barmouth — Snowdonia National Park

33.3km

02:19

430m

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

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Intermediate

4.9

(8)

265

riders

2. Llanberis & the Llyns loop from Beddgelert — Snowdonia National Park

46.9km

03:04

630m

620m

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

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Expert

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4.5

(13)

133

riders

3. Around Lake Bala from Bala — Snowdonia National Park

18.5km

01:10

120m

Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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Easy

109

riders

4. Pen-y-Pass & Ogwen Valley loop from Llanberis — Eryri / Snowdonia National Park

47.0km

03:28

700m

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

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4.5

(6)

riders

5. Barmouth loop from Dolgellau on the Mawddach Trail — Eryri / Snowdonia National Park

31.5km

01:59

240m

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

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Intermediate

riders

6. Blaenau Festiniog & Betws-y-Coed loop from Beddgelert — Eryri / Snowdonia National Park

71.1km

05:02

1,180m

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

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4.9

(15)

riders

7. Dinas Dinlle & Caernarfon Castle along the Menai Strait from Port Dinorwic

40.4km

02:31

230m

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

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Intermediate

5.0

(5)

riders

8. Beddgelert & Aberglaslyn loop from Porthmadog — Snowdonia National Park

52.4km

03:16

500m

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

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5.0

(7)

riders

9. Caernarfon Castle & Nantlle loop from Rhyd-Ddu — Eryri / Snowdonia National Park

40.1km

02:29

370m

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

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Intermediate

4.5

(2)

riders

10. Around the Llŷn Peninsula from Pwllheli

80.8km

05:08

890m

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

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Most popular routes in Gwynedd

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Running Trails in Gwynedd

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Waterfall hikes in Gwynedd

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Mountain Hikes in Gwynedd

Most popular attractions in Gwynedd

Places to see

Lakes

Mountain Peaks

Waterfalls

Mountain passes

Canyons

Bike Parks

Castles

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Huts

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Didn’t find what you were looking for?

Check out more Cycling routes throughout Gwynedd below and find the perfect route in your destination.

Rhinog National Nature Reserve Llyn Cwm Bychan Pistyll Llyn Nantlle Uchaf Aberdovey Llanrug Waunfawr Criccieth Porthmadog Llyn Idwal Dyfi Forest Dyffryn Ardudwy Aberdaron Coed Maesgwm Bala Lake Harlech Brithdir And Llanfachreth Dolgellau Caernarfon Llŷn AONB (AHNE Llŷn)Corris Nefyn Yr Eifl National Nature Reserve Coed Aberartro Bontnewydd Llyn Peris Tywyn Bryn-Crug Llandderfel Llanfrothen Llangelynin Llanystumdwy Llanuwchllyn Buan Ffestiniog Llandygai Llanycil Llandwrog Llanfihangel-Y-Pennant Botwnnog Pennal Dolbenmaen Llanelltyd Llannor Llanbedrog Pwllheli Mawddwy Llyn Arenig-Fawr Llanwnda Y Felinheli Clynnog Llanllechid Trawsfynydd Llanfair Bangor Arthog Llanllyfni Beddgelert Bethesda Talsarnau Llanaelhaearn Morfa Harlech National Nature Reserve Cors Geirch National Nature Reserve Ynys Enlli National Nature Reserve Llanddeiniolen Penrhyndeudraeth Tanygrisiau Reservior Ganllwyd Llanbedr Aber Llanegryn Llanengan Betws Garmon Llyn Trawsfynydd Barmouth Llyn Cwellyn Maentwrog Tudweiliog Pentir Bala Coed Llyn y Garnedd Llyn Llydaw Llyn Padarn Snowdonia Llanberis Coed Tyglas Cors Gyfelog National Nature Reserve Llangywer

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Browse the best Cycling routes in other regions.

Anglesey Conwy Denbighshire Wrexham Flintshire

The best cycling routes in Gwynedd

1. Mawddach Trail & Cregennan Lakes loop from Barmouth — Snowdonia National Park

2. Llanberis & the Llyns loop from Beddgelert — Snowdonia National Park

3. Around Lake Bala from Bala — Snowdonia National Park

4. Pen-y-Pass & Ogwen Valley loop from Llanberis — Eryri / Snowdonia National Park

5. Barmouth loop from Dolgellau on the Mawddach Trail — Eryri / Snowdonia National Park

6. Blaenau Festiniog & Betws-y-Coed loop from Beddgelert — Eryri / Snowdonia National Park

7. Dinas Dinlle & Caernarfon Castle along the Menai Strait from Port Dinorwic

8. Beddgelert & Aberglaslyn loop from Porthmadog — Snowdonia National Park

9. Caernarfon Castle & Nantlle loop from Rhyd-Ddu — Eryri / Snowdonia National Park

10. Around the Llŷn Peninsula from Pwllheli

Other adventures in Gwynedd

Most popular routes in Gwynedd

Most popular attractions in Gwynedd

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