4.0
(26)
139
riders
21
rides
Mountain bike trails around Cray provide access to the varied terrain of the Brecon Beacons National Park. This region features a landscape of rolling hills, expansive valleys, and dense forests, offering diverse conditions for mountain biking. Routes often follow reservoir perimeters, cross open moorland, and navigate through wooded sections. The natural elevation changes in the area cater to a range of riding abilities.
Last updated: May 7, 2026
3.8
(6)
28
riders
32.0km
02:41
640m
640m
Embark on the Sarn Helen and Twyn y Gaer loop for a challenging mountain biking adventure through the Brecon Beacons National Park. This moderate 19.9-mile (32.0 km) route, which you…
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…

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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.
5.0
(1)
10
riders
37.4km
03:20
790m
790m
Moderate mountain bike ride. 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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Busy car park and £6 a day parking.
1
0
One of the best trails to explore, everything from waterfalls to amazing sceneries. Good footwear is a must .
0
1
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.
1
0
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
0
Rode this on a gravel bike. Amazing views, easy to navigate. Gravel was quite rough in places, recommend atleast 40mm tyres, anything less than that and you may find it too rough.
0
0
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
0
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.
1
0
Definitely MTB, in a few sections up to S3
1
0
There are over 20 mountain bike trails around Cray, offering a variety of experiences. These routes are situated within the Brecon Beacons National Park, providing diverse terrain for all skill levels.
The mountain bike trails around Cray offer varied terrain, including paths along reservoir perimeters, open moorland sections, and routes through dense forests. You'll encounter natural elevation changes, from gentle slopes to more challenging climbs, characteristic of the Brecon Beacons National Park.
The trails around Cray are highly rated by the komoot community, with an average score of 4.0 stars from over 20 reviews. Mountain bikers often praise the varied terrain and scenic views of the Brecon Beacons National Park.
Yes, there are several easy mountain bike trails around Cray. For instance, the Usk Reservoir and Glasfynydd Forest loop is an easy 7.4-mile path that circles the reservoir, offering scenic views without significant technical challenges.
Yes, experienced riders can find challenging routes around Cray. There are 4 difficult trails available, featuring significant elevation gains and more technical sections within the Brecon Beacons National Park. These routes will test your skills and endurance.
Absolutely. Many of the easier routes, such as the Usk Reservoir and Glasfynydd Forest loop, are suitable for families. These trails often feature smoother paths and less demanding climbs, allowing for an enjoyable outing with children.
Yes, many of the mountain bike trails around Cray are circular, allowing you to start and end at the same point. Examples include the popular Sarn Helen and Twyn y Gaer loop and the Banwen Gwys & Swansea Valley loop.
While mountain biking around Cray, you can encounter various natural attractions. The area is rich in mountain passes like Bwlch Cerrig Duon Pass and Bwlch Bryn-Rhudd. You might also spot prominent peaks such as Pen y Fan and Corn Du summit, offering stunning views of the Brecon Beacons National Park.
The longest mountain bike trail listed near Cray is the Porth Yr Ogof Cave – Fan Gyhirych Forest Road loop from Ystradfellte, which spans approximately 23.2 miles (37.4 km). This moderate route offers a substantial ride through the varied landscapes of the Brecon Beacons.
Mountain biking around Cray in winter is possible, but conditions can be challenging. Trails may be muddy, icy, or covered in snow, especially at higher elevations in the Brecon Beacons. It's crucial to check local weather forecasts and trail conditions before heading out and to be prepared with appropriate gear.
The Brecon Beacons National Park, where Cray is located, is home to diverse wildlife. You might spot red kites soaring overhead, buzzards, and various smaller birds. On the ground, look out for wild ponies, sheep, and possibly deer, especially in quieter forest and moorland sections.
While specific 'hidden gems' are often discovered by local riders, routes like the Porth Yr Ogof Cave – Nant Hir Marker Stone loop from Ystradfellte offer a less frequented experience compared to the most popular trails. This moderate 13.6-mile route provides a good balance of challenge and scenic beauty away from the busiest spots.


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