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North Wales
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Llyn Cwellyn

The best MTB trails around Llyn Cwellyn

4.1

(110)

1,060

riders

32

rides

Mountain biking around Llyn Cwellyn offers a diverse landscape for riders of all abilities. The region is characterized by the expansive lake itself, surrounded by the foothills of Snowdonia, providing a mix of challenging ascents and scenic valley trails. Riders can expect varied terrain, from forest paths to open mountain tracks, with significant elevation changes in some areas. The area's natural features, including its prominent lake and surrounding hills, define the mountain biking experience.

Best mountain bike trails around Llyn…

Last updated: September 27, 2026

5.0

(2)

9

riders

#1.

Snowdon Summit (Yr Wyddfa) – Snowdon Ranger Path loop from Snowdon Ranger

12.9km

02:02

890m

890m

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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Hard

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Easy
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Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

Hard

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Easy
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Tips from the Community

Clive G
October 5, 2026, Telegraph Valley (Maesgwm)

A very good path - good enough for cycling - from Bwlch Maesgwm to the road above Llanberis. It is a beautiful valley with a feeling a remoteness.

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One path is a bit wider than the other, but most are gravel paths. Good for walking and/or cycling.

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Through the forest run many paths, wide gravel paths but also narrow paths between the trees.

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8

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Slightly above Llyn Llewelyn you have a nice view of Snowdon and the surrounding peaks. Enjoy this beautiful view.

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8

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Llyn Llywelyn is a small shallow mountain lake surrounded by open moorland and forests. It is a natural spot to pause, picnic and soak up the serene atmosphere before continuing your walk.

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8

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Free parking for Beddgelert Forest, half a mile from the A4085. There is a separate parking area for horse trailers. There are also a number of information boards with routes for walking and mountain biking.

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8

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This expansive forest is a treasure trove of walking and cycling trails, photographic opportunities and wildlife in the heart of Eryri National Park (Snowdonia). You can enjoy breathtaking views of Yr Wyddfa (Snowdon), picnic by the secluded lake Llyn Llywelyn and listen to the sound of the trains from the Old Welsh Highland Railway, which run through the forest on their way from Caernarfon to Porthmadog. You can also go horse riding. (National Resources Wales)

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8

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The path along the lake is very nice. Part of it is actually a kind of dam you walk on, with a barrier on both sides so you have to stay on the path. Because the dam is elevated, you have a good view of the lake and the surroundings.

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Frequently Asked Questions

How many mountain bike trails are available around Llyn Cwellyn?

There are over 35 mountain bike trails in the Llyn Cwellyn area, offering a diverse range of experiences for riders of all abilities.

Are there easy mountain bike trails suitable for beginners or families in Llyn Cwellyn?

Yes, Llyn Cwellyn offers 8 easy mountain bike trails. A great option for a relaxed ride is the Llyn Llywelyn – Beddgelert Forest Trail loop from Rhyd-ddu, which is 12.5 km long and takes about 1 hour 7 minutes to complete. This route is relatively flat and passes through scenic forest paths.

What are the options for advanced mountain bikers seeking a challenge?

For experienced riders, there are 12 difficult mountain bike trails around Llyn Cwellyn. The View of Llyn Llydaw – Llanberis Path loop from Rhyd-ddu is a challenging 35.3 km route with significant elevation gain, typically taking around 3 hours 14 minutes to complete.

Are there mountain bike trails with good viewpoints in the Llyn Cwellyn area?

Many trails in the Llyn Cwellyn area offer stunning views, particularly those that ascend into the foothills of Snowdonia. The View of Llyn Llydaw – Llanberis Path loop from Rhyd-ddu provides expansive vistas of the surrounding landscape and lakes.

Are there circular mountain bike routes around Llyn Cwellyn?

Yes, most of the mountain bike trails in the Llyn Cwellyn area are designed as circular routes, allowing you to start and finish at the same point. For example, the Ty'n Yr Aelgerth Cottage – Telegraph Valley (Maesgwm) loop from Betws Garmon is an 18.5 km circular trail.

What is the typical duration for mountain bike trails in Llyn Cwellyn?

Trail durations vary significantly based on difficulty and distance. Easy routes like the Llyn Llywelyn – Beddgelert Forest Trail loop from Rhyd-ddu can be completed in just over an hour, while more challenging routes can take upwards of three hours or more.

Is parking available for mountain bikers in Llyn Cwellyn?

Parking is generally available at common starting points for trails around Llyn Cwellyn, often near villages like Rhyd-ddu or Snowdon Ranger. It's advisable to check specific route descriptions for detailed parking information, as some car parks may have fees or limited spaces.

What do other mountain bikers enjoy most about the trails in Llyn Cwellyn?

The mountain bike trails around Llyn Cwellyn are highly rated by the komoot community, with an average score of 4.2 stars from nearly 100 reviews. Riders often praise the diverse terrain, from scenic lakeside paths to challenging mountain ascents, and the stunning views of the lake and Snowdonia foothills.

Are the mountain bike trails around Llyn Cwellyn suitable for winter riding?

While some lower-lying trails may be accessible, winter riding in Llyn Cwellyn, particularly on higher ground, can be challenging due to adverse weather conditions, ice, and snow. It's crucial to check local weather forecasts and trail conditions before heading out during winter months and to be prepared for colder temperatures and potentially slippery surfaces.

Are there any mountain bike trails near Llyn Cwellyn with a cafe nearby?

Many trails start or pass through villages like Rhyd-ddu or Betws Garmon, where you can often find local cafes or pubs for refreshments. For instance, routes starting from Rhyd-ddu, such as the Llyn Llywelyn – Lôn Gwyrfai Lakeside Path loop, offer convenient access to amenities before or after your ride.

Are dogs allowed on the mountain bike trails in Llyn Cwellyn?

Many trails in the Llyn Cwellyn area are dog-friendly, but it's essential to keep dogs under control, especially in areas with livestock or wildlife. Always check specific trail regulations and local signage, and be mindful of other trail users.

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