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Road cycling routes
United Kingdom
Wales
North Wales
Gwynedd

Snowdonia

The best road cycling routes in Snowdonia

4.7

(88)

5,538

riders

239

rides

Road cycling routes in Snowdonia traverse a landscape characterized by rugged mountains, deep valleys, and numerous pristine lakes. The region offers a diverse terrain for road cyclists, from challenging climbs with significant elevation gains to scenic routes along well-paved roads. It features dramatic mountain ranges such as the Snowdon massif and Glyderau, alongside tranquil llyns (lakes) and coastal sections. This varied topography provides a range of experiences for different cycling preferences.

Best road cycling routes in Snowdonia

  • The most popular…

Last updated: April 24, 2026

5.0

(7)

255

riders

#1.

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

54.1km

02:49

890m

890m

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

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Moderate

5.0

(5)

166

riders

91.6km

04:40

1,220m

1,220m

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

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

Hard

5.0

(1)

76

riders

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

Hard

74

riders

87.7km

04:47

1,610m

1,610m

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

Hard
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Running Collection by

Jen & Sim Benson

Tips from the Community

Jaime Valdemoros
July 22, 2025, Lake Vyrnwy Dam

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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Denis
March 27, 2025, Stwlan Dam Climb

It's a good climb, it's hard but it's beautiful

Translated by Google

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Lorin
March 1, 2025, Siabod Cafe

reopened in 2025, thumbs up!

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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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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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A 10/10 piece of road starting just after Dolhendre caravan park. The roads are smooth and winding, with some steep but varied gradients. Keep an eye out for the waterfalls and enjoy the descent heading towards Trawsfynydd: just watch out for the gates!

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Winding single track road with a few gates to go through. I would recommend riding this from East to West to get the most fun decending

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No haute cuisine, but coffee and delicious cakes and rustic soups and other dishes. Very good after the strenuous hike.

Translated by Google

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Frequently Asked Questions

How many road cycling routes are available in Snowdonia?

Snowdonia offers a wide variety of road cycling routes, with over 240 options available. These routes cater to different skill levels, from moderate loops to challenging climbs, ensuring there's something for every road cyclist.

Are there road cycling routes suitable for beginners or those seeking a moderate challenge?

Yes, Snowdonia has numerous routes ideal for beginners or those looking for a moderate ride. There are 119 moderate routes, many of which offer scenic journeys around the region's beautiful lakes and valleys. A great example is A loop of Llyn Tegid & Llyn Efyrnwy from Bala, which provides stunning views without extreme difficulty.

What kind of challenges can advanced road cyclists expect in Snowdonia?

Advanced road cyclists will find plenty of demanding routes in Snowdonia, with 82 difficult options featuring significant elevation gains and challenging climbs. Notable ascents include Pen-y-Pass, Cowlyd, and Bwlch-y-Groes. Routes like the Stwlan Dam climb from Bala loop offer a substantial test of endurance and skill.

Are there many circular road cycling routes in Snowdonia?

Yes, Snowdonia is well-suited for circular road cycling routes, allowing you to start and finish in the same location while exploring diverse landscapes. The Ffordd Brailsford Way offers both 75-mile and 50-mile circular options. You can also find routes like the Caernarfon from Betws-y-Coed loop, which takes you through varied terrain.

What natural features and landmarks can I expect to see while road cycling in Snowdonia?

Snowdonia's road cycling routes often pass through breathtaking natural landscapes and near historical sites. You can expect to see majestic mountains like the Snowdon massif, pristine lakes such as Llyn Tegid and Llyn Padarn, and dramatic valleys like Ogwen Valley. Some routes may also offer glimpses of waterfalls like Aber Falls or historical sites such as Dolwyddelan Castle.

Are there any specific attractions or points of interest along the road cycling routes?

Many road cycling routes in Snowdonia pass by or near significant attractions. Depending on your chosen route, you might encounter historical sites like the Ruins of the Britannia Copper Mine at Llyn Llydaw, or impressive castles such as Harlech Castle. The region also features numerous viewpoints offering panoramic vistas of the mountainous terrain.

What do other road cyclists enjoy the most about road cycling in Snowdonia?

The komoot community highly rates road cycling in Snowdonia, with an average score of 4.7 stars from over 80 reviews. Cyclists frequently praise the region's diverse terrain, from challenging mountain passes to serene lakeside roads, and the stunning natural beauty that accompanies every ride.

What is the best time of year for road cycling in Snowdonia?

The best time for road cycling in Snowdonia is generally from spring to autumn (April to October) when the weather is milder and more predictable. Summer months offer the longest daylight hours, but also the busiest roads. Spring and autumn provide cooler temperatures and fewer crowds, though weather can change rapidly in the mountains, so always be prepared for varied conditions.

Are there road cycling routes that offer views of Snowdon (Yr Wyddfa)?

Yes, several road cycling routes provide spectacular views of Snowdon, Wales' highest peak. The Snowdon Circuit is a prime example, as it encircles the base of the mountain, offering continuous panoramic views of the massif and its surrounding valleys.

Can I find routes that explore the region's lakes?

Absolutely. Snowdonia is famous for its 'llyns' (lakes), and many road cycling routes are designed to showcase them. The A loop of Llyn Tegid & Llyn Efyrnwy from Bala is a popular choice, offering a beautiful ride around two of the region's significant lakes. Another option is A loop of three llyns from Trawsfynydd.

Are there any coastal road cycling options in Snowdonia?

While Snowdonia is primarily known for its mountains, the national park does encompass parts of the coastline and estuaries. Some routes may offer glimpses of coastal beauty, such as sections near the Menai Strait or Mawddach estuary, providing a contrasting landscape to the mountainous interior.

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