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Road cycling routes
United Kingdom
Wales
North Wales
Gwynedd

Trawsfynydd

The best road cycling routes around Trawsfynydd

4.8

(36)

2,216

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61

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Road cycling routes around Trawsfynydd are situated within Snowdonia National Park, offering a diverse landscape for cyclists. The area features rugged mountains, serene lakes, and expansive forests, providing varied terrain. Cyclists can navigate minor roads, railway paths, and forestry tracks, with routes ranging from challenging climbs to more leisurely loops around water bodies like Llyn Trawsfynydd. The region's geology includes significant elevation changes, characteristic of the Welsh mountains.

Best road cycling routes around Trawsfynydd

  • The most popular road cycling route…

Last updated: July 7, 2026

5.0

(1)

66

riders

#1.

A loop of three llyns from Trawsfynydd

64.9km

03:32

1,020m

1,020m

Prepare for a demanding road cycling adventure on this difficult 40.3-mile (64.9 km) loop from Trawsfynydd. You will tackle significant climbs, gaining 3342 feet (1019 metres) in elevation over approximately…

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Hard

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

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
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Popular around Trawsfynydd

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Hiking Collection by

Alex Foxfield

Tips from the Community

David Howells
April 12, 2026, View of the Valley from Bwlch y Groes

The climb up to Bwlch-y-Groes from Llanymawddwy is a tough one. It is about 3.4 km long and has about 387 m of vertical ascent to get to the gap at 546 m above sea level. You will have an average gradient of 11.3% to grind away at, but you will be rewarded with fantastic views north and south.

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You'll probably be too gassed to look out for it, about 2/3rds the way up to the top of Cwm Penmachno from Lan Ffestiniog, so a good indicator of how far you've come.

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Plenty of drink and eateries

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Small train station in the mountains - slate was once mined here - now a tourist attraction.

Translated by Google

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Gravel no longer, smooth tarmac all the way.

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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

What kind of terrain can I expect on road cycling routes around Trawsfynydd?

Road cycling around Trawsfynydd, nestled within Snowdonia National Park, features a diverse landscape. You'll encounter rugged mountains, serene lakes, and expansive forests. The routes often involve significant elevation changes characteristic of the Welsh mountains, with options ranging from challenging climbs to more leisurely loops around water bodies like Llyn Trawsfynydd. You'll ride on minor roads, railway paths, and forestry tracks.

Are there road cycling routes suitable for beginners or those looking for an easier ride?

Yes, while many routes in the region offer challenging climbs, there are also easier options. The area provides a network of routes suitable for different ability levels. For example, the 8-mile circular loop around Llyn Trawsfynydd uses minor roads, railway paths, and forestry tracks, and is mostly easy-going, though it does have one steep section with rewarding views.

What are some notable landmarks or natural features I can see while road cycling in Trawsfynydd?

The Trawsfynydd area offers stunning natural features and landmarks. You can enjoy views of the Rhinogau Mountains and the impressive Trawsfynydd Dam. The region is also home to beautiful waterfalls like Rhaeadr Ddu (Black Falls) Waterfalls, known for its crystal-clear plunge pool. Other highlights include the Moelwyn Mawr summit and Arenig Fawr Summit and Flying Fortress Memorial, offering panoramic views.

Are there any circular road cycling routes in the Trawsfynydd area?

Yes, circular routes are a popular option in Trawsfynydd. A notable example is the 8-mile loop around Llyn Trawsfynydd, which offers impressive views of the lake. For a longer, more challenging circular ride, consider A loop of three llyns from Trawsfynydd, which covers 40.3 miles (64.9 km) and provides views of multiple lakes and mountainous terrain.

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

The best time for road cycling in Trawsfynydd, like much of Snowdonia, is generally from late spring to early autumn (May to September). During these months, you can expect milder weather, longer daylight hours, and less chance of severe rain or strong winds, making for more enjoyable rides through the diverse landscapes.

Are there any challenging road cycling routes for experienced cyclists?

Absolutely. Trawsfynydd offers several challenging routes with significant elevation gains. For instance, Penmachno Climb – Royal Oak Hotel, Betws-y-Coed loop from Llan Ffestiniog is a difficult 39.7-mile (63.9 km) path featuring substantial climbs through the Welsh mountains. Another demanding option is Bwlch y Groes – Bwlch yr Oerddrws loop from Maentwrog, an 87.9 km route with over 1600m of elevation gain.

Where can I find parking for road cycling routes near Trawsfynydd?

Parking is available at various points around Trawsfynydd, particularly near popular starting points for routes. The Llyn Trawsfynydd area often has designated parking facilities. For routes extending further into Snowdonia, look for parking at visitor centers or trailheads, such as those near Coed y Brenin, which is just a 10-minute drive from Trawsfynydd.

Can I bring my dog on road cycling routes in Trawsfynydd?

While road cycling routes themselves are generally open, rules regarding dogs can vary, especially within Snowdonia National Park and on private lands or nature reserves. Always keep dogs under control, preferably on a lead, to protect livestock and wildlife. Check specific signage along routes or at trailheads for any restrictions, particularly in areas with grazing animals or sensitive habitats.

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

The area is highly rated by the komoot community, with an average score of 4.8 from over 30 reviews. Reviewers often praise the stunning and diverse landscapes, including the dramatic mountains and serene lakes, as well as the variety of routes catering to different skill levels. The quiet minor roads and picturesque scenery are frequently highlighted as major draws.

Are there any cafes or pubs along the road cycling routes in Trawsfynydd?

Yes, you'll find opportunities for refreshments in and around Trawsfynydd. The village itself offers amenities, and routes that pass through or near other towns like Bala or Betws-y-Coed will have cafes, pubs, and accommodation options. It's always a good idea to plan your route and check opening times in advance, especially in more remote areas.

Are there any permits required for cycling in Snowdonia National Park?

Generally, no specific permits are required for road cycling on public roads and designated cycle paths within Snowdonia National Park. However, if you plan to venture onto private land or specific mountain biking trails (like those at Coed y Brenin), it's always best to check for any local regulations or fees. Stick to marked routes to ensure you are on permissible paths.

How many road cycling routes are available around Trawsfynydd?

There are over 60 road cycling routes available around Trawsfynydd, offering a wide range of experiences. These include 7 easy routes, 32 moderate routes, and 24 difficult routes, ensuring options for cyclists of all abilities looking to explore the diverse landscapes of Snowdonia National Park.

Most popular routes around Trawsfynydd

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