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North Wales
Gwynedd

Snowdonia

The best MTB trails in Snowdonia

4.4

(610)

10,033

riders

157

rides

Mountain biking in Snowdonia offers a diverse range of trails across a landscape shaped by ancient glaciers and volcanic activity. The region features rugged mountains, deep valleys, extensive woodlands, and numerous lakes. This terrain provides varied challenges for mountain bikers, from purpose-built singletrack to natural, technical paths. The area is characterized by its dramatic elevation changes and varied ground conditions.

Best mountain bike trails in Snowdonia

  • The most popular mountain bike trail is Gwydir Mawr Trail, a 14.9 miles…

Last updated: April 24, 2026

4.8

(74)

1,189

riders

#1.

Gwydir Mawr Trail

24.0km

02:27

560m

560m

Embark on the Gwydir Mawr Trail, a difficult mountain biking adventure spanning 14.9 miles (24.0 km) through the scenic Gwydir Forest. You will encounter a mix of tight, technical singletrack…

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Hard

4.8

(34)

810

riders

25.2km

02:30

540m

550m

Get ready for a demanding mountain biking adventure on the Beast of Brenin Trail, a difficult route spanning 15.7 miles (25.2 km). You will climb a significant 1784 feet (544…

Hard
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Embark on the Yr Wyddfa (Snowdon) circular, a difficult mountain biking route known as the "Classic Loop" in Eryri (Snowdonia) National Park. This challenging ride covers 11.5 miles (18.5 km)…

Hard

Embark on a challenging mountain biking adventure through the Penmachno MTB trails, a hidden gem nestled high in Eryri (Snowdonia) National Park. This route offers 17.8 miles (28.6 km) of…

Moderate

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

Easy
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Tips from the Community

Nigel
August 7, 2025, Penmaenpool Toll Bridge

Card payments are accepted. The bridge is open to cyclists and walkers 24/7. There is a slot for the toll in the door outside of operating hours.

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The half-way point on the Minotaur mountain biking route at Coed y Brenin.

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Nice techy trails , but some of the board walks are broken , work is being done to fix them 😀

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They do take card payments so that’s been an update but it’s not open 24 hrs

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Make sure you have cash for the toll - no card payment here😉

2

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Andy
October 7, 2024, Mawddach Trail

A lovely track to ride along the estuary. Suitable for any bike

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The name "Snowdon" is first recorded in 1095 as Snawdune, and is derived from the Old English elements snaw and dun, meaning "hill of snow". The Welsh name for the mountain, Yr Wyddfa, is first recorded in Latin as Weddua vaur in 1284. This is probably an approximation of Pen y Wyddfa Fawr. The element gwyddfa in this context means "height, promontory", and also occurs in the Welsh name for the town of Mold, Yr Wyddgrug. Gwyddfa later developed the meaning "gravestone heap", and there is a legend that the giant Rhita is buried beneath the cairn on the summit of the mountain. According to one legend, the giant Rhita was slain and buried on the mountain by King Arthur, while another legend suggests that Rhita was killed by the giant Idris who lived on the mountain Cadair Idris. The mountain is also associated with other figures from Arthurian legend, a legendary Afanc (water monster) and the Tylwyth Teg (fairies). (Wikipedia)

Translated by Google

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Maesgwm is also known as Telegraph Valley. The trail is gravel and well-made, brilliant to ride and much quieter than the main Llanberis path. It makes a great loop from Llanberis, using a section of the Ranger. Rideable in both directions.

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Frequently Asked Questions

How many mountain bike trails are available in Snowdonia?

Snowdonia offers a wide array of mountain biking opportunities, with over 160 routes available on komoot. These trails cater to various skill levels, from easy forest paths to challenging mountain ascents.

Are there mountain bike trails suitable for families or beginners in Snowdonia?

Yes, Snowdonia has options for all abilities. For families and beginners, the Mawddach Trail is an easy, 9-mile ride that is also wheelchair accessible and follows a tranquil estuary. Coed y Brenin Forest Park also features more mellow options like the five-mile 'Yr Afon' green trail, suitable for children and riders with disabilities.

What are some challenging mountain bike trails for experienced riders in Snowdonia?

Experienced riders will find plenty of challenging terrain. The Gwydir Mawr Trail (formerly Marin Trail) is a difficult 14.9-mile route with varied terrain and stunning views. Another top choice is the Beast of Brenin Trail, a difficult 15.7-mile path known for its challenging singletrack within Coed y Brenin Forest Park. For an epic experience, consider the Yr Wyddfa (Snowdon) circular via the Llanberis and Ranger paths, which involves significant ascents and descents.

Are there any circular mountain bike routes in Snowdonia?

Yes, many trails in Snowdonia are designed as circular routes. The Yr Wyddfa (Snowdon) circular via the Llanberis and Ranger paths is a notable example, offering a challenging loop through mountainous terrain. Many of the purpose-built trails in Coed y Brenin and Penmachno are also circular.

What kind of natural features or attractions can I see along the mountain bike trails?

Snowdonia's trails wind through dramatic landscapes. You can expect to see glacier-carved valleys, extensive woodlands like Gwydir Forest, and numerous lakes. Some routes offer views of prominent peaks such as Snowdon Summit (Yr Wyddfa) or Penygadair summit, Cadair Idris. Waterfalls like Swallow Falls and Aber Falls are also part of the region's natural beauty, though specific MTB trails might not pass directly by them.

What is the best season for mountain biking in Snowdonia?

The best season for mountain biking in Snowdonia is generally spring through autumn (April to October) when the weather is milder and trail conditions are more favorable. However, the rugged terrain means conditions can change rapidly, so always check the forecast and trail status before heading out. Winter riding is possible but requires appropriate gear and caution due to potential snow, ice, and shorter daylight hours.

What are the trail conditions like in Snowdonia?

Snowdonia's mountain bike trails are known for their varied and often rugged conditions. You'll encounter everything from purpose-built singletrack in places like Coed y Brenin to natural, technical paths with significant elevation changes. The ground can range from rocky and rooty to muddy, especially after rain. Always be prepared for diverse surfaces and challenging sections.

Are there mountain bike trails with amenities like cafes or visitor centers?

Yes, several popular mountain biking hubs in Snowdonia offer amenities. Coed y Brenin Forest Park, for instance, has visitor facilities including cafes. The Ogwen Visitor Centre and Snack Bar is another spot where you might find facilities near some trailheads. It's always a good idea to check specific trail centers or visitor information for available services.

What do other mountain bikers enjoy most about mountain biking in Snowdonia?

The area is highly rated by the komoot community, with an average score of 4.4 stars from over 600 reviews. Reviewers often praise the dramatic, diverse landscapes, the variety of trails catering to different skill levels, and the challenging nature of the terrain. Many appreciate the well-maintained purpose-built trails and the sense of adventure offered by the more remote routes.

How does mountain biking in Snowdonia compare to Coed y Brenin?

Coed y Brenin Forest Park is a significant part of Snowdonia's mountain biking scene, recognized as the birthplace of modern mountain biking in Britain. It offers around 90 miles of purpose-built singletrack trails, including the challenging Beast of Brenin Trail. While Coed y Brenin provides a concentrated, purpose-built trail center experience, Snowdonia as a whole offers a broader range of riding, including more natural, 'old school' trails like the Penmachno MTB trails, and epic mountain routes like those on Snowdon itself. Snowdonia encompasses Coed y Brenin, but also extends to many other diverse riding locations.

Are there options for public transport access to mountain bike trails in Snowdonia?

While some areas of Snowdonia are accessible by public transport, many trailheads, especially for more remote routes, may require a car. Key towns and visitor centers often have bus services, but checking specific routes and timetables is essential. For detailed information on public transport within the National Park, you can consult resources like Visit Snowdonia.

Where can I find parking near mountain bike routes in Snowdonia?

Parking is available at many popular trail centers and visitor hubs throughout Snowdonia. For example, Coed y Brenin Forest Park has dedicated parking facilities. You can also find parking at places like the Ogwen Visitor Centre and Snack Bar. For specific routes, it's advisable to check the route details on komoot or local visitor information for designated parking areas, as some smaller trailheads might have limited space.

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