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.
Last updated: April 29, 2026
4.9
(8)
87
riders
39.3km
02:29
410m
410m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(4)
51
riders
23.5km
01:24
140m
140m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

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21
riders
29.7km
01:59
380m
380m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
4
riders
36.9km
02:24
450m
450m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
11
riders
15.6km
00:55
100m
100m
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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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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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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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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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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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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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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