4.0
(111)
616
riders
45
rides
Mountain biking around Garnlydan offers access to diverse terrain, characterized by panoramic views across the Usk Valley and towards the Black Mountains. The area features distinctive summits like Crug Hywel (Table Mountain) and Blorenge, along with natural features such as Keeper's Pond. Situated near the Brecon Beacons National Park, Garnlydan provides a gateway to an extensive network of mountain bike trails with varied elevation and challenging terrain.
Last updated: June 22, 2026
4.6
(5)
16
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(2)
12
riders
38.2km
02:47
680m
680m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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10
riders
44.8km
02:40
460m
460m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(1)
12
riders
17.8km
01:05
130m
130m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
10
riders
20.4km
01:25
320m
320m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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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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This is great fun, I've done both descents now, both north and south but neither climb, and I'm very happy about that. Would want an unloaded bike to clean the whole trail.
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An impressive sight and a wonderful tribute to the miners that lost their lives
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To access this area is a very steep incline and decline into this valley section 7- 9% gradient in either direction. The Taf Fechan LNR comprises about 2.5 km of river with steep valley sides of Carboniferous limestone. The river has eroded the limestone into a narrow gorge in the centre of the site. A mosaic of deciduous woodland on the slopes with a canopy of Beech, Birch and Ash, gives way to Alder and Grey Willow closer to the river.
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Nice scenic place to start a ride from. car park, and good routes from here
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There are over 45 mountain bike trails around Garnlydan, offering a diverse range of options for different skill levels. The area is particularly known for its extensive natural trail network within and near the Brecon Beacons National Park.
The terrain around Garnlydan and the wider Brecon Beacons is varied, ranging from open forests and moorland to valleys and lakes. Riders can expect challenging features such as loose and steep climbs, technical rocky descents, and varied singletrack sections. Some routes may even require pushing your bike due to their difficulty.
Yes, Garnlydan offers trails suitable for beginners and families. For example, the Hafod Road – View of the Brecon Beacons loop from Brynmawr is an easy route, covering about 17.8 km. The Brecon Beacons National Park also features green and blue graded trails designed for less experienced riders.
The region boasts stunning natural beauty. You can enjoy panoramic views across the Usk Valley towards the Sugar Loaf and the Black Mountains. Notable features include Keeper's Pond (Pen-Ffordd-Goch Pond), a popular spot for picnics, and distinctive summits like Blorenge summit and Crug Hywel (Table Mountain), which also features an Iron Age hillfort.
The Brecon Beacons area, including Garnlydan, is generally suitable for mountain biking throughout much of the year. However, spring and autumn often offer pleasant temperatures and vibrant landscapes. During winter, some higher or more exposed trails might be challenging due to weather conditions.
Absolutely. The Brecon Beacons National Park, easily accessible from Garnlydan, is renowned for its challenging terrain. You can find legendary black routes for advanced riders and red routes with significant climbs, thrilling descents, and technical singletrack sections. These routes often feature loose and steep climbs and rocky descents.
The mountain bike trails around Garnlydan are highly rated by the komoot community, with an average score of 4.1 stars from over 100 reviews. More than 600 mountain bikers have used komoot to explore the varied terrain, often praising the panoramic views and the diverse trail network.
Yes, many of the mountain bike routes around Garnlydan are designed as loops. For instance, the Clydach Cycle Path loop from Ebbw Vale Town is a moderate 38.5 km circular path, offering a mix of surfaces and scenic sections.
Given the varied and often challenging terrain, it's recommended to bring a well-maintained mountain bike suitable for off-road conditions. Essential gear includes a helmet, appropriate clothing for changing weather, water, snacks, a repair kit, and a first-aid kit. For more technical routes, consider knee and elbow pads.
Yes, the region has a rich history. Some routes, like the View of Bryn Oer Tramroad – Cwm Callan Roman Road Trail loop from Ebbw Vale Town, explore historical tramroads. Additionally, Crug Hywel (Table Mountain), a prominent landmark, features an Iron Age Celtic hillfort, adding a historical dimension to your ride.
While specific parking details vary by trailhead, many mountain biking hubs within the Brecon Beacons National Park, which is easily accessible from Garnlydan, offer designated parking facilities. It's advisable to check individual route descriptions for recommended starting points and parking information.
Absolutely. The Garnlydan area and the wider Brecon Beacons National Park are excellent for various outdoor pursuits. You can easily combine mountain biking with hiking, walking, or even road and gravel cycling. The region's diverse landscapes and attractions, such as Keeper's Pond, make it ideal for multi-activity days.


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