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Treflys

The best MTB trails around Treflys

4.5

(74)

969

riders

37

rides

Mountain biking around Treflys offers access to diverse terrain in the heart of Wales, situated near the Elan Valley and Brecon Beacons National Park. The region is characterized by open hills, ancient woodlands, and the dramatic landscapes shaped by Victorian dams and reservoirs. Riders can expect a mix of moorland, mountainsides, and valleys, providing varied challenges for different skill levels.

Best mountain bike trails around Treflys

  • The most popular mountain bike trail is Caban-Coch Dam and Reservoir – Elan Valley…

Last updated: May 8, 2026

3.8

(5)

59

riders

#1.

Caban-Coch Dam and Reservoir – Elan Valley Visitor Centre loop from Claewen Dam

34.8km

03:17

910m

910m

Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

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Hard

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

Moderate
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Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

Hard

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

Moderate

Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

Hard
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Popular around Treflys

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Tips from the Community

The Bike Man
May 26, 2025, Elan Valley Visitor Centre

Basic gift shop and toilets, along with a cafe.

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Decent pit stop

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a place where you can learn a bit of Elan Valley history

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one of my favorite cycling places

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Elan Valley is a mountain bikers dream. A mix of natural trails that follow the reservoirs and crest the lofty tops of each valley. There's also a great trailhead in the middle of the valley at Nantgwyllt for some great flowing singletrack.

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There a lot of rocky sections to negotiate and often a lot sections that have sunken so much they are underwater. The view of the dam at the end though is epic

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CmdrGravy
September 8, 2024, Puke Hill

Don't stop on this climb, you will never get going again !

1

0

CmdrGravy
September 8, 2024, Stone Wall Lane

Many curious cows but the impending climb is the bigger danger

0

0

Frequently Asked Questions

How many mountain bike trails are there around Treflys?

There are over 35 mountain bike routes available around Treflys, offering a wide range of experiences for different skill levels. The area is highly rated by the komoot community, with an average score of 4.5 stars from more than 70 reviews.

Are there mountain bike trails suitable for beginners in Treflys?

Yes, Treflys offers several routes suitable for beginners. There are 5 easy mountain bike trails, providing a gentle introduction to the region's beautiful landscapes. The Elan Valley, nearby, also features beginner-friendly routes.

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

The terrain around Treflys is diverse, ranging from open hills and ancient woodlands to moorland and mountainsides. You'll encounter varied surfaces, including natural trails, some with rapid descents and rocky sections, and others that are more technical with loose stones, slabs, and drops, particularly in the Elan Valley.

Are there any challenging mountain bike routes for experienced riders?

Absolutely. For experienced riders seeking a challenge, Treflys offers 10 difficult mountain bike routes. One such route is the 34.8 km Caban-Coch Dam and Reservoir – Elan Valley Visitor Centre loop from Claewen Dam, which features significant elevation gain and explores the scenic Elan Valley. The Elan Valley also has dedicated downhill skills tracks with drop-offs, berms, and jumps.

Can I find circular mountain bike routes in the Treflys area?

Yes, many of the mountain bike routes around Treflys are circular, allowing you to start and finish at the same point. An example is the 14.5 km Caban-Coch Dam and Reservoir – Claerwen Dam loop from Llannerch y Cawr, which takes you through the Elan Valley's stunning reservoir landscape.

What natural features or landmarks can I see while mountain biking near Treflys?

While mountain biking near Treflys, you can explore the magnificent Victorian dams and reservoirs of the Elan Valley, such as the Caban-Coch Dam and Reservoir and Pen-y-Garreg Dam. Other notable natural features include the Wolf's Leap, River Irfon, and the dramatic Abergwesyn Valley.

Are there any family-friendly mountain bike trails around Treflys?

While the guide focuses on mountain biking, the Elan Valley, which is easily accessible from Treflys, offers a range of trails, some of which are suitable for families. These often follow quieter paths around the reservoirs, providing a less technical and more enjoyable experience for all ages.

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

The mountain bike trails around Treflys are highly regarded by the komoot community, with an average rating of 4.5 stars from over 70 reviews. Riders often praise the diverse terrain, the stunning scenery of the Elan Valley, and the variety of routes available for different skill levels.

What is the best time of year to go mountain biking in Treflys?

The best time to go mountain biking in Treflys is generally during the spring, summer, and early autumn months when the weather is milder and trails are drier. However, the region's natural trails can be ridden year-round, though some technical sections may become more challenging in wet or winter conditions.

Are there specific routes that offer great views?

Many routes in the Treflys area offer breathtaking views, especially those traversing the Elan Valley and its reservoirs. The Arfon Forest – Caffi Sosban loop from Llanwrtyd, for example, leads through forest sections and provides scenic vistas of the surrounding Welsh countryside.

Where can I find parking for mountain bike trails in Treflys?

While specific parking details for every route are not listed, the Elan Valley, a primary mountain biking destination near Treflys, offers designated parking areas. For instance, the Nantgwyllt Church car park provides access to downhill skills tracks and other trails.

Are dogs allowed on the mountain bike trails around Treflys?

Generally, dogs are welcome on public bridleways and trails in the Treflys area and the wider Elan Valley, provided they are kept under control, especially around livestock. Always check local signage for specific restrictions on individual routes or protected areas.

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