In this guide, we’ve reviewed our full collection of road biking routes in Gwynedd to bring you the best rides in the region. To find the one which is right …

Last updated: September 24, 2025

5.0

(9)

697

riders

1. Pen y Pass and Beddgelert from Bangor loop — Parc Cenedlaethol Eryri / Snowdonia National Park

74.7km

03:32

950m

Expert road ride. Very good fitness required. Some segments of this route may be unpaved and difficult to ride.

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4.6

(8)

352

riders

2. Glyders, Ogwen Valley & Llanberis Pass loop from Bethesda — Snowdonia National Park

49.3km

02:30

720m

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

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5.0

(7)

261

riders

3. A loop of Llyn Tegid & Llyn Efyrnwy from Bala — Snowdonia National Park

54.1km

02:49

890m

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

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4.8

(4)

217

riders

4. Pen y Pass and Marchlyn Mawr climb loop from Llanberis — Parc Cenedlaethol Eryri / Snowdonia National Park

54.6km

02:57

1,000m

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

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4.2

(5)

227

riders

5. Sychnant Pass and Betws y Coed from Bethesda loop — Parc Cenedlaethol Eryri / Snowdonia National Park

70.5km

03:31

1,010m

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

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5.0

(2)

209

riders

6. Brailsford Way loop from Caernarfon — Snowdonia National Park

74.7km

03:40

910m

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

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5.0

(3)

222

riders

7. Beddgelert from Bangor loop — Parc Cenedlaethol Eryri / Snowdonia National Park

76.6km

03:33

870m

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

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Intermediate

118

riders

8. Cwm Penmachno, Betws y Coed & Nantgwynant loop from Blaenau Ffestiniog — Snowdonia National Park

80.6km

04:20

1,290m

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

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4.0

(3)

105

riders

9. A loop of the Llŷn Peninsula

73.3km

04:06

800m

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

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5.0

(1)

103

riders

10. Drws y Coed from Caernarfon loop — Parc Cenedlaethol Eryri / Snowdonia National Park

37.1km

01:40

400m

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

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Check out more Road 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 Road cycling routes in other regions.

Denbighshire Conwy Wrexham Anglesey Flintshire

The best road cycling routes in Gwynedd

1. Pen y Pass and Beddgelert from Bangor loop — Parc Cenedlaethol Eryri / Snowdonia National Park

2. Glyders, Ogwen Valley & Llanberis Pass loop from Bethesda — Snowdonia National Park

3. A loop of Llyn Tegid & Llyn Efyrnwy from Bala — Snowdonia National Park

4. Pen y Pass and Marchlyn Mawr climb loop from Llanberis — Parc Cenedlaethol Eryri / Snowdonia National Park

5. Sychnant Pass and Betws y Coed from Bethesda loop — Parc Cenedlaethol Eryri / Snowdonia National Park

6. Brailsford Way loop from Caernarfon — Snowdonia National Park

7. Beddgelert from Bangor loop — Parc Cenedlaethol Eryri / Snowdonia National Park

8. Cwm Penmachno, Betws y Coed & Nantgwynant loop from Blaenau Ffestiniog — Snowdonia National Park

9. A loop of the Llŷn Peninsula

10. Drws y Coed from Caernarfon loop — Parc Cenedlaethol Eryri / Snowdonia National Park

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Most popular routes in Gwynedd

Most popular attractions in Gwynedd

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