4.5
(122)
1,000
riders
34
rides
Mountain biking around Trallong, nestled in the Usk Valley, offers access to the diverse landscapes of the Brecon Beacons National Park. The region features mountainous peaks like Pen y Fan, rolling moorland, and extensive forests, providing varied terrain for mountain bikers. River valleys and natural water features also contribute to the area's scenic routes. This setting provides a network of trails ranging from challenging climbs to technical singletrack descents.
Last updated: June 22, 2026
4.6
(62)
509
riders
39.7km
03:30
650m
650m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
3.5
(8)
30
riders
32.0km
02:41
640m
640m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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4.0
(1)
9
riders
61.0km
05:00
910m
910m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
4.8
(4)
14
riders
53.9km
04:08
920m
920m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
5
riders
22.9km
01:57
410m
410m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
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Pentwyn Reservoir is the smaller sister to Pontsticill Reservoir, both being separated by a causeway going towards the old Dolygaer outdoor centre. It is a very popular spot with fishermen and outdoor enthusiasts alike. The reservoir is used daily for a mix of watersports such as paddle boarding, kayaking, canoeing and raft building. It is in a beautiful setting, and you have great views north towards Pen y Fan and nice walks nearby.
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As you descend to this section to the viewpoint I've shared, please be aware that you have rocks and drops to descend that can be slippery when they are wet.
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gorgeous views, very popular with walkers, so be aware
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Great stop off point food and refreshments, especially after a tough climb and decent and Before arriving at Pontsticill reservoir
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Great section of trail, bridge over a river worn valley. It's worth taking this trail a hit of extra climbing up from Pontsticill, the trail is fantastic and gives plenty of elevated views.
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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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The full route provides a fantastic mix of terrain and scenery😊
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There are over 35 mountain bike trails around Trallong, offering a diverse range of experiences within the Brecon Beacons National Park. These include 5 easy routes, 20 moderate routes, and 10 difficult routes, catering to various skill levels.
The terrain around Trallong is highly varied, ranging from open forests and challenging, loose, and steep climbs to wonderful descents and technical singletrack trails. You'll encounter expansive moorland, river valleys, and routes that wind through the mountainous landscapes of the Brecon Beacons.
Yes, the Brecon Beacons National Park, which surrounds Trallong, offers gentler routes suitable for families. While specific family-friendly routes are not detailed in the immediate vicinity, the region is known for options like the Tramway route near Talybont Forest, which is popular with families. Look for trails rated as 'easy' on komoot for suitable options.
Many trails offer stunning views and pass by significant landmarks. You might encounter impressive mountain passes like The Gap Pass or The Gap (Bannau Brycheiniog National Park). Iconic summits such as Pen y Fan, Corn Du summit, and Cribyn Summit are also prominent features in the landscape, offering dramatic vistas.
Yes, many of the mountain bike routes in the area are designed as loops. For example, the challenging Talybont on Usk & The Gap loop from Brecon and the moderate Sarn Helen and Twyn y Gaer loop are popular circular options that allow you to start and finish in the same location.
The mountain bike trails around Trallong are highly rated by the komoot community, with an average score of 4.6 stars from over 100 reviews. Riders often praise the diverse terrain, stunning views, and the variety of routes available, from challenging technical singletrack to more moderate spins through scenic countryside.
Yes, the area is part of a wider network that includes longer routes. The Taff Trail Pen y Fan Loop is a significant 61 km trail leading through the Brecon Beacons. Additionally, the region connects to routes like the Traws Eryri (Trans Snowdonia) trail, a 200-kilometer multi-terrain route designed for mountain bikes, incorporating various types of paths.
Many mountain bike routes in the Brecon Beacons National Park start and finish at dedicated hubs that offer facilities like off-road parking. Talybont on Usk, for instance, is a well-known hub for local cycling and Brecon Beacons National Park mountain bike trails, providing convenient parking options.
The Brecon Beacons offer great mountain biking conditions for much of the year. Spring and autumn typically provide pleasant temperatures and vibrant scenery. Summer is also popular, though trails can be busier. Always check local weather conditions, especially during winter, as higher elevations can be exposed.
Absolutely. Trallong and the surrounding Brecon Beacons are known for their challenging routes. Trails like the Talybont on Usk & The Gap loop from Brecon and the Taff Trail Pen y Fan Loop are rated as 'difficult' and feature significant elevation gains and technical descents, providing a rewarding experience for experienced riders.
Yes, the Brecon Beacons National Park is a hub for various outdoor activities. Beyond mountain biking, you can enjoy walking and hiking, water sports on the River Usk or Llangorse Lake, horse riding on extensive bridleways, and even climbing or caving. Activity centers like Parkwood Outdoors Dolygaer also offer a range of pursuits.
The region is characterized by river valleys and natural water features, including gushing waterfalls and glistening reservoirs. While specific routes passing directly by waterfalls are not detailed, the Usk Valley and the wider Brecon Beacons are rich in such scenic elements, and many trails will offer views of rivers and water bodies.


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