4.3
(60)
403
riders
44
rides
Mountain biking around Ystradfellte offers diverse terrain within the Bannau Brycheiniog (Brecon Beacons) National Park. The region is characterized by river valleys, forested sections, and undulating hills, providing varied gradients for mountain bikers. Trails often follow ancient paths and forest roads, traversing a landscape shaped by water and geology. This area provides a mix of challenging climbs and flowing descents suitable for different skill levels.
Last updated: April 23, 2026
3
riders
30.3km
03:06
850m
850m
Experience a challenging 18.9-mile mountain bike loop on the historic Sarn Helen from Pont ar Daf, with views of the Brecon Beacons.
5.0
(1)
2
riders
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

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5.0
(1)
10
riders
37.4km
03:20
790m
790m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(1)
4
riders
25.6km
02:10
400m
400m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.3
(4)
7
riders
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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Gravel biking around Ystradfellte
Nice picturesque reservoir with a great campsite just below it if you are on a bike or hiking tour.
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Smaller reservoir than others in the area, but with stunning landscape great off road paths to keep you away from the A470
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Busy car park and £6 a day parking.
1
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One of the best trails to explore, everything from waterfalls to amazing sceneries. Good footwear is a must .
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1
This is a great woodland centred visitors centre with an information centre, a nice cafe, and a playground. There is also plenty of parking available for a reasonable fee of £5 per day. There are numerous waymarked walks starting from here, and it is a very family-oriented, modern, well-run place. Very classy, fair play!
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A very pretty and accessible dam, the spillover makes it a lovely scenic addition to your loop of the reservoir or the nearby forest. There are lovely picnic areas on the way around the dam, some eating spots by way of a roadside 'scoff' van in a nearby lay-by on the eastern shore, and the cafe at Garwnant Visitor Centre on the north side of the reservoir.
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As well as the caves, here you have Porth yr Ogof car park, or Cwm Porth car park, to give it its proper name. It's one of the better car parks, with toilets and a small shop. On most days there is also hot food and drinks available. The famous Four Waterfalls walk also starts from here. This is a spectacular walk, and each waterfall is great in its own way. They are Sgwd Clun-Gwyn, Sgwd Isaf Clun-Gwyn, Sgwd y Pannwr, and Sgwd yr Eira.
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There are over 45 mountain bike trails around Ystradfellte, offering a wide range of options for different skill levels. This includes 7 easy, 31 moderate, and 7 difficult routes.
Yes, Ystradfellte offers 7 easy mountain bike trails perfect for beginners or those looking for a relaxed ride. These routes typically feature gentler gradients and less technical terrain. While not exclusively easy, the Porth Yr Ogof Cave loop from Ystradfellte is a moderate route that can be a good introduction to the area's varied terrain, offering a manageable distance of 25.6 km.
Trail lengths vary significantly. You'll find routes ranging from shorter, easier loops to challenging, all-day epics. For example, the Porth Yr Ogof Cave – Nant Hir Marker Stone loop from Ystradfellte is about 21.8 km and takes under 2 hours, while the demanding Pontneddfechan & Sarn Helen loop from Pont ar Daf stretches over 55 km and can take nearly 5 hours to complete.
Many of the mountain bike trails around Ystradfellte are designed as circular routes, allowing you to start and finish at the same point. Examples include the Porth Yr Ogof Cave – Nant Hir Marker Stone loop from Ystradfellte and the Porth Yr Ogof Cave – Fan Gyhirych Forest Road loop from Ystradfellte, both offering varied terrain and scenic views.
The terrain around Ystradfellte is diverse, characterized by river valleys, dense forested sections, and undulating hills. You'll encounter a mix of ancient paths, forest roads, and some more technical singletrack. The landscape is shaped by water and geology, providing varied gradients from gentle climbs to challenging ascents and flowing descents.
The mountain bike trails around Ystradfellte are highly regarded by the komoot community, with an average rating of 4.3 stars from over 50 reviews. Riders often praise the diverse terrain, the scenic beauty of the Brecon Beacons, and the variety of routes available for different skill levels.
Yes, the Ystradfellte area is famous for its waterfalls, often referred to as 'Waterfall Country.' Many trails pass close to or offer detours to stunning cascades. Notable waterfalls you might encounter include Sgwd Yr Eira, Sgwd y Pannwr, and Sgwd Gwladus Waterfall. The Porth Yr Ogof Cave – Nant Hir Marker Stone loop from Ystradfellte, for instance, leads through river valleys where such features are common.
Spring and autumn generally offer the most pleasant conditions for mountain biking in Ystradfellte, with milder temperatures and beautiful scenery. Summer can be great, but trails might be busier. Winter riding is possible, but be prepared for colder, wetter conditions and potentially muddy trails, especially in forested areas.
Parking is typically available at key access points and trailheads around Ystradfellte, often near popular starting points for routes. Specific car parks can be found in villages like Ystradfellte itself or at designated visitor spots within the Bannau Brycheiniog (Brecon Beacons) National Park. Always check local signage for parking fees and restrictions.
Ystradfellte's mountain bike trails are distinctive for their focus on river valleys, forested sections, and the famous 'Waterfall Country.' While other parts of the Brecon Beacons might offer more open mountain riding or purpose-built trail centres, Ystradfellte provides a unique blend of natural, often ancient, trails that traverse a landscape rich in geological features and water elements, offering a more exploratory and natural riding experience.
Yes, for experienced riders seeking a challenge, Ystradfellte offers 7 difficult mountain bike trails. These routes feature significant elevation gains, technical descents, and longer distances. A prime example is the Pontneddfechan & Sarn Helen loop from Pont ar Daf, which is a demanding 55.5 km route exploring historical trails and varied forest terrain with over 1000 meters of climbing.


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