4.3
(172)
1,240
riders
77
rides
Mountain biking around The Vale Of Grwyney offers diverse terrain within the Black Mountains, characterized by broad ridges, steep-sided valleys, and expansive moorlands. Rocky rivers like the Grwyne Fawr and Grwyne Fechan carve through the landscape, which also features extensive deciduous woodlands and open grazing land. This region, part of the Brecon Beacons National Park, provides varied elevation and natural features for mountain bikers.
Last updated: April 23, 2026
4.5
(2)
25
riders
38.4km
03:33
930m
930m
Embark on a challenging mountain biking adventure through Bannau Brycheiniog (Brecon Beacons) National Park. This difficult route, known as Rhiw Trumau, Mynydd Llangorse & the Usk valley loop, covers 23.8…
3.0
(1)
11
riders
14.1km
01:09
230m
230m
Get ready for a challenging mountain biking experience on the Crickhowell loop, a difficult route spanning 8.8 miles (14.1 km). You'll climb 756 feet (231 metres) over an estimated 1…

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4.6
(7)
26
riders
42.1km
03:23
820m
820m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.0
(3)
18
riders
24.1km
02:43
870m
870m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.3
(4)
26
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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Very nice bridge not for traffic though as it’s a single lane track with passing gaps for pedestrians.
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turns into a modest stream after the rain
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800 year old remains of a Norman motte and bailey castle in a pleasant community play park.
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Steady climb with lovely views of the valley. Bothy is usually busy over weekends so if you're keen to stay there without company, head up midweek outside peak season. Otherwise, embrace the spirit of what you set out to do and share an evening with a fellow bothy fan!
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There are nearly 80 mountain bike routes in The Vale Of Grwyney and the surrounding Black Mountains, offering a wide variety of terrain and challenges for all skill levels.
The Vale Of Grwyney, nestled within the Black Mountains, features diverse terrain including broad ridges, steep-sided valleys, and expansive moorlands. You'll encounter rocky rivers, extensive deciduous woodlands, and open grazing land. Trails can range from moderate forest tracks to challenging climbs with rugged paths and rocky sections.
Yes, while the region is known for its challenging routes, there are 10 easy trails suitable for beginners or those looking for a more relaxed ride. These often include green and blue graded trails, forest tracks, and peaceful country roads. For example, the area around Crickhowell offers some less demanding options.
Experienced riders will find plenty of challenging routes. Trails like Rhiw Trumau, Mynydd Llangorse & the Usk valley loop from Crickhowell offer significant elevation gain and panoramic views. Another demanding option is the Blaen Grwyne Fawr – Grwyne Fawr Bothy loop from Blaen y Cwm, which also features substantial climbing.
The trails often pass by stunning natural features and historical sites. You might encounter the tranquil Grwyne Fawr Reservoir and its early 20th-century dam. Iconic peaks like Blorenge summit, Skirrid Fawr summit, and Pen Cerrig-calch summit offer magnificent panoramic views. Historical sites such as Crickhowell Castle ruins are also accessible.
Yes, many of the mountain bike routes in The Vale Of Grwyney are circular, allowing you to start and finish at the same point. Examples include the Rhiw Trumau, Mynydd Llangorse & the Usk valley loop from Crickhowell and the Blue Rock Descent – Crickhowell Castle ruins loop from Llanelly.
The area is highly rated by the komoot community, with an average score of 4.3 stars from over 170 reviews. Mountain bikers frequently praise the diverse terrain, the challenging climbs, and the breathtaking panoramic views of the Usk Valley and the wider Brecon Beacons National Park.
The Vale Of Grwyney is part of the Brecon Beacons National Park, which is generally dog-friendly. However, many trails pass through open grazing land with sheep and ponies. It's crucial to keep dogs on a lead, especially near livestock, and to follow the Countryside Code. Always check specific trail regulations before heading out.
For families, it's best to look for the easier, green or blue graded trails, which often follow forest tracks or quieter country roads. These provide a less strenuous experience, allowing families to enjoy the scenery without overly challenging terrain. Always consider the distance and elevation gain when choosing a route for children.
Spring and autumn generally offer the most pleasant conditions for mountain biking in The Vale Of Grwyney, with milder temperatures and beautiful scenery. Summer can be excellent, but trails may be busier. Winter riding is possible, but be prepared for colder, wetter conditions and potentially muddy or icy trails, especially at higher elevations.
Parking is typically available in or near the villages and towns that serve as starting points for many routes, such as Crickhowell or Llanelly. Some trailheads in more remote areas may have smaller, designated parking spots. Always check local signage for parking restrictions and fees.
While many trails venture into remote areas, routes starting or passing through towns like Crickhowell often have access to local pubs and cafes. For example, the Crickhowell loop would allow for stops in the town.


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