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MTB trails
United Kingdom
Wales
North Wales
Gwynedd

Caernarfon

The best MTB trails around Caernarfon

4.5

(85)

928

riders

32

rides

Mountain biking around Caernarfon offers diverse terrain, from the shores of Llyn Padarn to the foothills of Snowdonia. The region features a mix of rolling hills, forested valleys, and open landscapes, providing varied riding experiences. Trails often incorporate views of historical sites like Caernarfon Castle and the surrounding North Wales countryside. The area's geology includes a blend of slate, granite, and glacial features, shaping the natural flow of many routes.

Best mountain bike trails around Caernarfon

  • The most popular mountain bike trail is View of Llyn Padarn – Llanberis Lake Railway loop from Bethel, a 22.2 miles (35.7 km) trail that takes about 2 hours 50 minutes to complete. This route offers views of Llyn Padarn and follows the historic Llanberis Lake Railway.
  • Another top favourite among local mountain bikers is Telegraph Valley (Maesgwm) – Snowdon Ranger Hostel loop from Llanrug, a difficult 27.3 miles (44.0 km) path. This route navigates through Telegraph Valley, presenting challenging climbs and expansive mountain scenery.
  • Local mountain bikers also love the View of Snowdon – The Lonely Tree, Llyn Padarn loop from Llanrug, a 8.8 miles (14.2 km) trail leading through varied terrain with views of Snowdon and Llyn Padarn, often completed in about 1 hour 4 minutes.
  • Mountain biking around Caernarfon is defined by scenic lake loops, challenging valley climbs, and routes offering views of Snowdon. The network provides options for easy mountain bike trails Caernarfon suitable for beginners, as well as advanced mountain biking Caernarfon routes for experienced riders.
  • The routes in Caernarfon are highly rated by the komoot community with an average score of 4.5 stars from over 80 reviews. More than 900 mountain bikers have used komoot to explore Caernarfon's varied terrain.

Last updated: April 25, 2026

4.5

(2)

8

riders

#1.

View of Llyn Padarn – Llanberis Lake Railway loop from Bethel

35.7km

02:49

750m

750m

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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Moderate

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

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

Easy

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Moderate

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

Easy
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Popular around Caernarfon

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Amy

Tips from the Community

Dominiek Van Dooren
May 3, 2026, Rhyd Ddu Railway Crossing

Stop, look out and listen are the recommendations (to be read on the sign) that you must follow when crossing the track here. It is an unguarded crossing on this railway for tourist trains.

Translated by Google

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Fantastic views of slate quarry and Snowdon Llanberis path

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0

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

0

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This place is fun to explore and an interesting peek into Welsh rich mining heritage

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Dinorwic Quarry, located between the villages of Llanberis and Dinorwig in Wales, offers a dramatic and historically rich landscape, with stunning views over . https://www.mybalancenow.it.com

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Amazing views, worthy of passing by

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Tis is the crossing of the Ffestiniog Welsh Highland Railway at Rhyd Ddu. once through the crossing the surface becomes compact gravel and climbing. It is rideable but takes effort

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The surfaces are difficult to ride on at this point, ascending on loose medium size gravel / boulder. The surface is not compact, you might have to dismount and push the bike up at some point. Other close by areas have rooted and rock boulder surfaces also

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Frequently Asked Questions

How many mountain bike trails are available around Caernarfon?

There are over 30 mountain bike trails around Caernarfon listed on komoot, offering a variety of experiences for different skill levels.

Are there easy mountain bike trails suitable for beginners in Caernarfon?

Yes, Caernarfon offers several easy mountain bike trails perfect for beginners. For instance, the View of Snowdon – The Lonely Tree, Llyn Padarn loop from Llanrug is an easy 8.8-mile route with gentle terrain and scenic views. Another accessible option is the Caernarfon Castle loop from Caernarfon, which is 11.4 miles and relatively flat.

What kind of terrain can I expect on mountain bike trails near Caernarfon?

The terrain around Caernarfon is diverse, ranging from rolling hills and forested valleys to open landscapes. You'll find routes with views of historical sites like Caernarfon Castle and the surrounding North Wales countryside, often incorporating slate, granite, and glacial features.

Are there any challenging mountain bike routes for experienced riders?

Absolutely. For experienced riders seeking a challenge, the Telegraph Valley (Maesgwm) – Snowdon Ranger Hostel loop from Llanrug is a difficult 27.3-mile path with significant climbs and expansive mountain scenery. This route provides a demanding experience with over 1000 meters of elevation gain.

What do other mountain bikers say about the trails in Caernarfon?

The mountain bike trails in Caernarfon are highly rated by the komoot community, with an average score of 4.5 stars from over 80 reviews. Riders frequently praise the scenic lake loops, challenging valley climbs, and the stunning views of Snowdon.

Are there circular mountain bike routes available?

Yes, many of the mountain bike routes around Caernarfon are circular, allowing you to start and finish at the same point. A popular example is the View of Llyn Padarn – Llanberis Lake Railway loop from Bethel, a 22.2-mile circular trail.

What historical sites or landmarks can I see while mountain biking near Caernarfon?

The region is rich in history. You can ride past iconic landmarks such as Caernarfon Castle, a UNESCO World Heritage site. Other notable historical sites nearby include Dolbadarn Castle and the Segontium Roman Fort.

Are there any mountain bike trail centers or bike parks near Caernarfon?

While Caernarfon itself doesn't host a dedicated bike park, it serves as an excellent base for exploring natural mountain bike trails. For formal trail centers, you'll find options like Antur Stiniog and Coed y Brenin within a reasonable driving distance in North Wales, offering purpose-built trails for various skill levels.

What is the best time of year for mountain biking in Caernarfon?

Spring and autumn generally offer the most pleasant conditions for mountain biking in Caernarfon, with milder temperatures and beautiful scenery. Summer can also be great, but trails may be busier. Winter riding is possible, but be prepared for colder, wetter weather and potentially muddy conditions.

Are there any routes that offer views of Snowdon?

Many trails in the Caernarfon area provide stunning views of Snowdon, Wales' highest mountain. The View of Snowdon – The Lonely Tree, Llyn Padarn loop from Llanrug is specifically highlighted for its views of Snowdon and Llyn Padarn.

Can I find mountain bike routes that pass by lakes or water features?

Yes, the region is known for its beautiful lakes. Several routes offer scenic views of Llyn Padarn, such as the View of Llyn Padarn – Llanberis Lake Railway loop from Bethel and the Llanberis Lake Railway – Snowdon Inn Campsite loop from Waunfawr.

Is public transport an option for accessing mountain bike trails around Caernarfon?

Public transport options exist, primarily local bus services that connect Caernarfon with surrounding villages and trailheads. However, services can be infrequent, especially in more remote areas. It's advisable to check bus schedules in advance and confirm if bikes are permitted on board.

Where can I park my car when mountain biking in Caernarfon?

Parking is generally available in Caernarfon town center and at various trailheads in the surrounding areas. Many routes start from villages like Llanrug or Bethel, which often have designated parking areas, sometimes paid. Always check local signage for parking restrictions and fees.

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