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Road cycling routes
United Kingdom
Wales
North Wales

Gwynedd

The best road cycling routes in Gwynedd

4.7

(240)

15,734

riders

677

rides

Road cycling routes in Gwynedd traverse a diverse landscape, characterized by the rugged mountains of Eryri (Snowdonia) National Park, serene lakes, and extensive forests. The region also features a spectacular coastline, including the Llŷn Peninsula and the Menai Strait, offering varied terrain for cyclists. Elevation changes are common, with routes ranging from coastal paths to significant mountain passes.

Best road cycling routes in Gwynedd

  • The most popular road cycling route is Pen y Pass and Beddgelert from Bangor loop —…

Last updated: May 10, 2026

5.0

(9)

721

riders

#1.

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

74.7km

03:32

950m

950m

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

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Hard

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

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

Moderate

4.8

(4)

219

riders

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

Hard

4.2

(5)

229

riders

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

Hard

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

Hard

5.0

(3)

216

riders

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

Moderate

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

Hard

4.0

(3)

110

riders

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

Moderate

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

Moderate
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Popular around Gwynedd

Road Cycling Routes in Snowdonia

Road Cycling Routes around Bangor

Road Cycling Routes around Llangywer

Road Cycling Routes around Dolbenmaen

Road Cycling Routes around Llanycil

Road Cycling Routes around Bala Lake

Road Cycling Routes around Waunfawr

Road Cycling Routes around Bala

Road Cycling Routes around Pentir

Road Cycling Routes around Llanddeiniolen

Other adventures in Gwynedd

The Dragon's Back – running the spine of Wales

Running Collection by

Jen & Sim Benson

Tips from the Community

Clive G
March 25, 2026, Llyn Ogwen

Beautiful lake, but avoid the area at Easter!

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John
August 13, 2025, Aberdaron Beach

There are plenty of deep steps at the start and us oldies decided to avoid them on the way back.

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Gorgeous area. Be aware the road/trail on the south side (including access to/from Llanymawddwy) are currently closed due to damage from storm Darragh. See https://www.hdcymru.co.uk/our-visitor-sites/lake-vyrnwy/storm-darragh/ for more details.

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Lorin
March 1, 2025, Siabod Cafe

reopened in 2025, thumbs up!

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0

MCW73
November 4, 2024, Siabod Cafe

Now open everyday 0800 til 1700. Caffi Siabod is at the foot of Moel Siabod in the village of Capel Curig. Serving the local Community as well as walkers, hikers and bikers

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It's well worth the effort to climb to the top of the pass.

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1

embee999
September 26, 2024, Lake Vyrnwy Dam

There is a little cafe above the main car park for a coffee and cake after the "gift shop" labelled walks. As usual, Komoot makes the walk easier than using signposts - remember to download to the phone app. Kayaking/canoeing around the lake is only possible for about half of it due to a protected bird sanctuary.

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Fantastic views of the lake

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Frequently Asked Questions

How many road cycling routes are available in Gwynedd?

Gwynedd offers a wide variety of road cycling experiences, with over 700 routes available on komoot. These routes cater to all levels, from leisurely rides to challenging mountain passes, allowing you to explore the diverse landscapes of Eryri (Snowdonia) National Park and the stunning coastline.

Are there road cycling routes suitable for beginners or families in Gwynedd?

Yes, Gwynedd has numerous options for less experienced cyclists and families. You'll find over 160 easy routes. The region features traffic-free paths like the Mawddach Trail, a 10-mile route from Barmouth to Dolgellau, and sections of the Lôn Eifion Cycleway, which offers coastal views and passes through Glynllifon Country Park. The broader Lonydd Glas Network also provides over 50 kilometers of safe, traffic-free paths.

What are some challenging road cycling climbs in Gwynedd?

For those seeking a challenge, Gwynedd is home to some iconic climbs. The Llanberis Pass is a renowned 8-mile ascent between the Glyderau and Snowdon ranges. Another significant climb is the Marchlyn Mawr, offering a 5-mile ascent to over 2,000 feet, making it the highest point reachable by road bike in Wales. Routes like the Pen y Pass and Beddgelert from Bangor loop and the Pen y Pass and Marchlyn Mawr climb loop from Llanberis include these demanding ascents.

Can I find circular road cycling routes in Gwynedd?

Absolutely. Many of Gwynedd's road cycling routes are designed as loops, allowing you to start and finish in the same location. Examples include the Glyders, Ogwen Valley & Llanberis Pass loop from Bethesda, which offers stunning mountain scenery, and the loop of Llyn Tegid & Llyn Efyrnwy from Bala, exploring the beautiful lake districts.

What natural features or scenic viewpoints can I expect along road cycling routes in Gwynedd?

Gwynedd's road cycling routes are rich with natural beauty. You'll encounter the dramatic mountains of Eryri (Snowdonia) National Park, serene lakes like Llyn Tegid and Llyn Efyrnwy, and the spectacular coastline of the Llŷn Peninsula. Notable viewpoints include those along the Llanberis Pass, offering vistas of the Glyderau and Snowdon ranges. You can also find highlights like Snowdon Summit (Yr Wyddfa) and Penygadair summit, Cadair Idris, which are visible from many routes.

Are there any historical landmarks or attractions to see while road cycling in Gwynedd?

Yes, Gwynedd's routes often pass by significant historical and cultural sites. The Ffordd Brailsford Way, for instance, includes landmarks such as Caernarfon and Dolwyddelan castles. The Lôn Eifion Cycleway also offers the opportunity to visit Caernarfon Castle. You can also find highlights like Foel Grach summit and refuge, which provides a historical context to the landscape.

What do other road cyclists enjoy most about road cycling in Gwynedd?

The area is highly rated by the komoot community, with an average score of 4.7 stars from over 250 reviews. Cyclists frequently praise the region's diverse terrain, from challenging mountain climbs to scenic coastal roads, and the breathtaking natural beauty of Eryri (Snowdonia) National Park. The variety of routes ensures there's something for every ability level.

How long are typical road cycling routes in Gwynedd?

Route lengths in Gwynedd vary significantly. You can find shorter, moderate loops like the Drws y Coed from Caernarfon loop, which is about 37 km (23 miles) and takes around 1 hour 40 minutes. Longer, more challenging routes, such as the Cwm Penmachno, Betws y Coed & Nantgwynant loop from Blaenau Ffestiniog, can be over 80 km (50 miles) and take more than 4 hours to complete.

Are there any specific routes that explore the Llŷn Peninsula?

Yes, the Llŷn Peninsula offers stunning coastal road cycling. You can enjoy routes like A loop of the Llŷn Peninsula, which is a moderate 73 km (45 miles) ride, showcasing the undulating roads and picturesque views of Bardsey Island and the coastline.

What is the Ffordd Brailsford Way and where can I find it?

The Ffordd Brailsford Way is a challenging 75-mile (120km) loop named after cycling coach Dave Brailsford, traversing the heart of Eryri National Park. It features tough ascents and historical landmarks. A popular way to experience it is via the Brailsford Way loop from Caernarfon, which is a difficult 74 km (46 miles) route.

Can I access road cycling routes in Gwynedd using public transport?

While specific public transport details for each route vary, Gwynedd's main towns and villages, particularly those within Eryri (Snowdonia) National Park, are generally accessible by bus or train. This allows for connections to various starting points for road cycling routes. It's advisable to check local transport schedules for specific routes and bike carriage policies.

Are there routes that include the Menai Strait or Mawddach Estuary?

Yes, Gwynedd's diverse geography includes picturesque waterside routes along both the Menai Strait and the Mawddach Estuary. The Mawddach Trail, part of National Cycle Network (NCN) 8, is a notable traffic-free route along the estuary. The NCN 8 (Lôn Las Cymru) also passes through Gwynedd, offering views of the Menai Bridge and other scenic waterside sections.

Most popular routes in Gwynedd

Hiking in Gwynedd

Most popular attractions in Gwynedd

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

Bala LakeLlyn Nantlle UchafLlyn IdwalLlyn Arenig-FawrYr Eifl National Nature ReserveFfestiniogY FelinheliClynnogBangorAberLlyn CwellynDolgellauBethesdaCoed AberartroBontnewyddAberdaronBrithdir And LlanfachrethBuanDyffryn ArdudwyLlanbedrogLlandderfelLlanelltydPorthmadogDyfi ForestAberdoveyLlyn Cwm BychanCors Geirch National Nature ReserveYnys Enlli National Nature ReserveCorrisTywynLlangelyninDolbenmaenLlanllechidArthogLlanddeiniolenHarlechLlanbedrBalaCaernarfonCricciethTudweiliogLlanberisRhinog National Nature ReserveLlandygaiLlanllyfniLlanrugBeddgelertTanygrisiau ReserviorBotwnnogBryn-CrugLlanfairLlanfihangel-Y-PennantLlanfrothenLlanwndaMawddwyPennalTrawsfynyddLlanuwchllynLlanycilLlandwrogCoed MaesgwmGanllwydLlanenganLlanystumdwyBetws GarmonPentirBarmouthCoed Llyn y GarneddPistyllWaunfawrLlanegrynTalsarnauLlanaelhaearnNefynMaentwrogPwllheliLlannorPenrhyndeudraethLlyn LlydawLlyn PerisSnowdoniaMorfa Harlech National Nature ReserveLlyn TrawsfynyddLlyn PadarnCoed TyglasLlŷn AONB (AHNE Llŷn)Cors Gyfelog National Nature ReserveLlangywer

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