3.8
(10)
86
riders
14
rides
Mountain biking around Llanddeusant offers diverse terrain within the Black Mountain Range, part of the Brecon Beacons National Park. The region features significant elevation changes, sculpted valleys, and rolling hills, providing varied riding experiences. Riders can explore forest tracks, open moorland, and routes around natural features like Llyn y Fan Fach. This landscape provides a mix of challenging climbs and rewarding descents suitable for mountain biking.
Last updated: May 7, 2026
4.5
(4)
22
riders
11.9km
00:59
160m
150m
Embark on an easy mountain biking adventure through the Usk Reservoir and Glasfynydd Forest loop. This route spans 7.4 miles (11.9 km) and involves a gentle climb of 517 feet…
3.0
(1)
1
riders
This moderate 16.5-mile mountain bike loop from Dan-yr-Ogof explores the Banwen Gwys and Swansea Valley in Bannau Brycheiniog National Park.

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3
riders
52.8km
04:54
1,390m
1,390m
This difficult 32.8-mile mountain biking loop from Brynamman offers rugged terrain and panoramic views in Bannau Brycheiniog National Park.
10
riders
52.5km
04:57
1,090m
1,090m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
1.0
(1)
4
riders
37.5km
03:23
940m
940m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
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Good selection of cakes, coffee & snacks. Great stop off after a bike ride or hike.
1
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NCN43 follows old railways lines, riverbanks and canals from Swansea to Clydach. This section follows an old railway line, it's flat and gravelled, easy riding but pretty and no cars.
2
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This road is a firm favourite with those who know it - which is surprisingly few. Enjoy the spectacular views across the Brecon Beacons and Carmarthenshire Fans, with good quality tarmac under your wheels and only occasional car traffic. The approach from Trecastle to the North is about a 7km climb, with an elevation gain of 259m, and an average gradient of 3.7%.
1
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A nice easy route for walking or riding, So glad the track across the dam is now open again, just have to keep your eyes open for the dog shit left all over the place.
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Llandovery Castle (Welsh: Castell Llanymddyfri) is a late thirteenth-century, Grade II*-listed, castle ruin in the town of Llandovery in Carmarthenshire, Wales. It occupies a knoll overlooking the River Towy and the land surrounding it. The Normans built a castle in the current location in the early twelfth century and this was rebuilt in stone. It was burnt in the early sixteenth century and never repaired.
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Llandovery Castle is a late thirteenth-century, castle ruin, occupying a knoll overlooking the River Towy. Access is free year round.
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There are over 15 mountain bike trails around Llanddeusant, offering a range of difficulties from easy to difficult. The komoot community has explored these routes over 90 times, providing an average rating of 3.8 stars.
Yes, there are several easy trails suitable for beginners and families. For example, the Usk Reservoir and Glasfynydd Forest loop is an easy 7.4-mile route that offers scenic riding through forest and alongside the reservoir. Additionally, the Brechfa Forest, accessible from Llanddeusant, features the Derwen Trail, a green and blue option with steady climbs and fun descents through oak woodland.
The terrain around Llanddeusant is diverse, ranging from forest tracks and rolling hills to the more challenging, dramatic landscapes of the Black Mountain Range. You'll encounter significant elevation changes, sculpted valleys, and open moorland, with trails often featuring elements like berms, drops, jumps, and rock gardens.
Absolutely. For experienced riders seeking a challenge, the Black Mountain loop from Brynamman is a difficult 32.8-mile trail leading through the dramatic Black Mountain Range. Another demanding option is the Forest Track – Llandovery Castle Ruins loop from Llandovery, which covers over 32 miles with significant elevation gain.
Yes, many routes in the area are designed as loops. Examples include the Usk Reservoir and Glasfynydd Forest loop for an easy ride, and the more challenging Black Mountain loop from Brynamman. These circular routes allow you to start and finish in the same location.
The region is rich in natural beauty. You can ride past glacial lakes like Llyn y Fan Fach, explore the dramatic Black Mountain Range with peaks such as Fan Brycheiniog and Picws Du, and discover hidden waterfalls like Henrhyd Falls. The trails often offer spectacular views over valleys and escarpments.
While not directly on a mountain bike trail, the area around Llanddeusant is close to several notable waterfalls. Henrhyd Falls, the tallest waterfall in South Wales, is a significant attraction nearby. You can also find Nant Tawe Fechan Waterfalls and the Waterfall Along the Boardwalk within the Brecon Beacons National Park, which can be incorporated into a day out.
Spring and autumn generally offer the most pleasant conditions for mountain biking in Llanddeusant, with milder temperatures and beautiful scenery. Summer can be excellent, but trails may be busier. Winter riding is possible but requires appropriate gear for potentially wet, muddy, and colder conditions, especially on higher ground.
Llanddeusant is a small community, and public transport options directly to trailheads can be limited. While local buses might serve the village, accessing specific mountain biking areas like Cwm Rhaeadr or Brechfa Forest often requires personal transport. It's advisable to check local bus schedules for connections to larger towns like Llandovery, from which further travel might be needed.
Generally, mountain biking is permitted on public bridleways and byways within the Brecon Beacons National Park. However, it's crucial to stick to designated trails and respect private land. While specific permits are not typically required for general mountain biking on public rights of way, always check for any local restrictions or specific rules for trail centres like Cwm Rhaeadr or Brechfa Forest before you ride.
The area is highly rated by the komoot community, with an average score of 3.8 stars. Reviewers often praise the diverse terrain, from challenging mountain ascents to scenic forest loops, and the stunning natural landscapes of the Black Mountain Range and Brecon Beacons National Park.
Yes, the Usk Reservoir and Glasfynydd Forest loop provides excellent views of the Usk Reservoir. This easy route combines forest riding with picturesque stretches alongside the water, making it a popular choice for its scenic beauty.


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