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Cycling routes
United Kingdom
Wales
North Wales
Gwynedd

Llanllyfni

The best cycling routes around Llanllyfni

4.6

(171)

2,539

riders

12

rides

Touring cycling around Llanllyfni offers varied terrain within Gwynedd, Wales, characterized by its proximity to Snowdonia National Park. The region features dramatic mountain backdrops, glacial lakes like Llyn Cwellyn, and the prominent Nantlle Ridge. Cyclists can navigate a mix of well-paved roads, dedicated cycleways, and paths that traverse former industrial slate quarry sites, providing diverse landscapes for exploration.

Best touring cycling routes around Llanllyfni

  • The most popular touring cycling route is Caernarfon Castle – Lôn Eifion Cycleway loop from Nebo

Last updated: April 29, 2026

4.9

(8)

87

riders

#1.

Caernarfon Castle – Lôn Eifion Cycleway loop from Nebo

39.3km

02:29

410m

410m

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

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Moderate

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

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

Moderate

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

Moderate

5.0

(1)

11

riders

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

Easy
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Popular around Llanllyfni

Snowdonia Slate Trail — Unearth one of Wales' most spectacular hikes

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Snowdonia Slate Trail — Unearth one of Wales' most spectacular hikes

Hiking Collection by

Alex Foxfield

Tips from the Community

Mike
November 1, 2025, Snowdon Ranger Hostel

I think the start and the end is probably the hardest but overall pretty easy path you can’t get lost

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Rob
June 6, 2025, St Beuno's Well

The old well of St Bueno an information board is by the road. https://wellhopper.wales/2013/01/23/ffynnon-beuno-clynnog-fawr/

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Good little spot to stop and take in the views. It's a stone throw away from the shops and ice-cream shops.

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A great place to watch the sunset

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Great views of Caernarfon castle

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Martin Lewis
October 16, 2024, St Beuno's Well

Gwynedd. The Holy Well of St. Bueno, in Clynnog Fawr, was once the source of water for the monastic community there. St. Beuno reputedly had miraculous powers, and the spring became a famous healing well, and it reputedly cured many ailments from epilepsy to nervousness. It was a favoured well for curing eye problems, and children would be brought to the well from many miles away to be healed of their illnesses. The well is walled, with an open top. There are steps that lead down to the water, where there are seats. After the sick had bathed there, they may have been taken to St. Bueno’s chapel where they could have spent the night laying on top of the saint’s tomb. Clynnog Fawr is on the pilgrim’s route through the Lleyn peninsula to Bardsey Island.

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51m
September 24, 2024, Lôn Eifion Cycleway

The Lôn Las Menai & Lôn Eifion cycleway follows an old railway trail from Caernarfon to Bryncir. If you decide to ride the whole route, it's 16.6 miles (27 km).

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Segontium Romon Fort is an impressive excavated fortification located just outside Caernarfon. It was founded by Agricola in AD77, and it was garrisoned for over three hundred years. It was the longest-held Roman fort in Wales and used to hold a 'cohors milliaria,' a regiment of about 1,000 auxiliary infantry, mainly recruited from Belgium and Germany. It was linked by Roman roads to the main legionary bases at Chester and Caerleon by a series of marching camps and other forts.

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Frequently Asked Questions

How many touring cycling routes are available around Llanllyfni?

There are 12 touring cycling routes documented around Llanllyfni on komoot, offering a variety of experiences for different skill levels. These routes have been explored by over 1,900 touring cyclists.

Are there easy touring cycling routes suitable for beginners or families?

Yes, Llanllyfni offers several easy touring cycling routes perfect for beginners or families. For instance, the Caernarfon Castle – Lôn Eifion Cycleway loop from Pen-y-groes is an easy 14.6-mile (23.5 km) path that incorporates parts of the Lôn Eifion Cycleway, providing a less strenuous option with scenic views. Another easy option is the Lôn Eifion Cycleway loop from Pen-y-groes, which is 15.6 miles (25.1 km) long and features minimal elevation gain.

What kind of terrain can I expect on touring cycling routes near Llanllyfni?

The terrain around Llanllyfni is varied, ranging from well-paved roads to dedicated cycleways and paths that traverse former industrial slate quarry sites. You'll find routes with gentle gradients, especially on repurposed railway lines, as well as more challenging ascents into the foothills of Snowdonia National Park, offering a blend of natural beauty and historical landscapes.

Are there any circular touring cycling routes in the area?

Yes, many of the touring cycling routes around Llanllyfni are designed as loops. For example, the Caernarfon Castle – Lôn Eifion Cycleway loop from Nebo is a moderate 24.4-mile (39.3 km) circular route. Another option is the Drws Y Coed Climb – Snowdon Ranger Hostel loop from Pen-y-groes, which is 18.5 miles (29.7 km) and takes you through the foothills of Snowdonia.

What historical sites or landmarks can I see while cycling around Llanllyfni?

Cycling routes in the Llanllyfni area often pass by significant historical sites. You can visit impressive castles like Caernarfon Castle, a UNESCO World Heritage site, or explore the ruins of Dolbadarn Castle. The region's slate quarrying history is also evident, with sites like the Ruins of the Britannia Copper Mine at Llyn Llydaw providing a unique historical backdrop.

Are there routes that offer views of Snowdonia's mountains and glacial lakes?

Absolutely. Llanllyfni is nestled close to Snowdonia National Park, and many routes offer breathtaking views. You can expect to see the majestic mountains of Snowdonia and glacial lakes such as Llyn Cwellyn. The St Beuno's Well – View of Mount Foel loop from Nebo, for instance, provides stunning vistas of the surrounding natural landscape.

Can I find routes that utilize dedicated cycleways or traffic-free paths?

Yes, the area is known for incorporating dedicated cycleways. The Lôn Eifion Cycleway is a prominent feature, offering traffic-free sections, often utilizing old railway lines. Parts of the Wales Coast Path near Llanllyfni are also shared with the National Cycle Network, providing additional traffic-free options for cyclists. For more information on the Wales Coast Path for cycling, you can visit walescoastpath.gov.uk.

What is the best time of year to go touring cycling in Llanllyfni?

The best time for touring cycling in Llanllyfni is generally during the spring, summer, and early autumn months (April to October). During these periods, the weather is typically milder, and the days are longer, allowing for more comfortable rides and better visibility of the stunning landscapes. However, conditions can change rapidly in mountainous regions, so it's always advisable to check the local forecast before heading out.

Are there places to stop for refreshments along the cycling routes?

While specific refreshment stops are not detailed for every route, the broader Snowdonia region, including nearby towns like Beddgelert, offers cafes and tea rooms where cyclists can stop for refreshments. Planning your route with potential stops in mind can enhance your touring experience.

What do other cyclists say about touring cycling in Llanllyfni?

The touring cycling routes around Llanllyfni are highly rated by the komoot community, with an average score of 4.6 stars from over 160 reviews. Cyclists often praise the diverse terrain, the blend of natural beauty with historical sites, and the options available for various ability levels, from easy cycleways to more challenging ascents.

Is it possible to access cycling routes using public transport, or is parking available?

While specific public transport links directly to every trailhead are not detailed, efforts are being made in Llanllyfni to support active travel, which includes creating bike paths. For those traveling by car, parking is generally available in towns and villages near the starting points of routes, such as Pen-y-groes or Nebo, though it's always recommended to check local parking regulations.

What are some of the longer, more challenging touring cycling routes in the region?

For cyclists seeking a greater challenge, routes like the Caernarfon Castle – Lôn Eifion Cycleway loop from Nebo, at 24.4 miles (39.3 km) with over 400 meters of elevation gain, offer a moderate challenge. The St Beuno's Well – View of Mount Foel loop from Nebo is another moderate option, covering 22.9 miles (36.9 km) with nearly 450 meters of ascent, providing a good workout amidst scenic views.

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