Best mountain passes around Trallong are found within the Usk Valley and the Brecon Beacons National Park in Powys, Wales. This region is characterized by scenic landscapes and diverse mountain passes. Trallong's location provides access to a broader area featuring notable passes in South Wales. The area offers varied experiences, from tranquil routes to challenging off-road trails.
Last updated: May 3, 2026
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This is the col between Corn Du and Craig Gwaun Taf. Not only is it a fine viewpoint, but it is also the parting of the ways. Turn right at the marker stone you will follow the crowds down to the Storey Arms, turn left to Craig Gwaun Taf and you arfe likely to have the airy path all to yourself.
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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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Gap Road. This was the first track to enable horse-drawn carriages to cross the mountain range. It's thought to be a Roman road, although no archaeological evidence has been found as yet. Turn right onto the gap road and follow this route all the way back to the car park, and to your starting point.
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The Brecon Beacons well known “THE GAP” is a passing between Crybin and Fan y big in the shadow of Pen y fan. Gap Road which will take you through the Neuadd valley. The Gap Road- is actually an old main Roman road. The Gap provides the first encounter with what I call engineered paths.
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Great views and riding I've only done it on gravel bikes ascending from the south. It's doable fully loaded too. The Brecon descent is proper big gravel and under biking fun. Or do it flat out on an MTB too.
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Managed on a hard tail with Bikepacking bags. Technical climb with a nice decent towards Brecon.
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The climb up to the saddle could be done on a hardtail but would recommend to ride from the saddle towards Brecon on a full sus
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If you are riding a 40mm tyre, loaded gravel bike, I would say the majority of this 5km or so section (not just the lumpy bit near the top) will be easier to walk so bear that in mind if you are attempting it. It’s generally pretty lumpy the whole way and a doable challenge if you are technically good… but you’ll be walking if you aren’t… or if you already have 80km of gravel in the legs like us!! Even a guy we passed on a full sus EMTB had to hike a bike some sections as they aren’t possible to ride. I personally thought we might have an hour of hike a bike… but that quickly turned closer to 3. Absolutely stunning views, a real adventurous challenge. Would like to go back with some chunkier tyres and maybe some suspension!
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Trallong is a village and community in Powys, Wales, nestled within the Usk Valley and the historic county of Brecknockshire. It is situated within the Brecon Beacons National Park, an area renowned for its scenic landscapes and diverse mountain passes.
The mountain passes in the Trallong area offer a wide range of experiences, from tranquil scenic drives and quiet roads with unassuming views to challenging off-road cycling routes. The region caters to various activity levels, set against the dramatic backdrop of the Brecon Beacons National Park.
Yes, the Trallong area is known for challenging mountain biking routes. For instance, The Gap Pass is a classic mountain biking route in the Brecon Beacons, traversing between Fan-y-Big and Cribyn. It's a technical trail that can be quite demanding, sometimes requiring 'hike-a-bike' sections due to its chunky terrain. Another challenging option is The Gap (Bannau Brycheiniog National Park), which features rock steps and offers an exhilarating descent.
For scenic views and quiet exploration, consider Bwlch Cerrig Duon (Pass of the Black Stones). This pass, located on a minor road between Trecastle and the Swansea Valley, offers some of the best, most unassuming views of the Western Brecon Beacons. Below its rocky shelves lie the Lakes of Llyn Y Fan Fawr and Llyn Y Fan Fach, making it popular for walkers.
Yes, The Gap Pass (Bwlch ar y Fan), also known as the Gap Road, is an old Roman road passing between Cribyn and Fan y Big. This section is known for its tough terrain but also provides a glimpse into historical routes through the mountains.
The mountain passes around Trallong are rich in natural beauty. You can expect to see dramatic mountain landscapes, deep valleys, and, in some areas, lakes like Llyn Y Fan Fawr and Llyn Y Fan Fach near Bwlch Cerrig Duon. Passes like Bwlch Bryn-Rhudd traverse areas like the Fforest Fawr, offering open scenery and increasing pitches.
Beyond exploring the passes themselves, the Trallong area offers various outdoor activities. You can find numerous hiking trails, including easy hikes around Trallong, as well as gravel biking and running trails. For more details on routes, you can explore guides like Easy hikes around Trallong, Gravel biking around Trallong, and Running Trails around Trallong.
Yes, Bwlch Bryn-Rhudd, found on the A4067 between Defynnog and Abercraf, is known for offering a fast descent towards Abercraf after its initial gentle slopes and increasing pitch through the Fforest Fawr.
Visitors particularly appreciate the challenging mountain biking routes, the scenic viewpoints, and the historical significance of some passes. The komoot community has contributed 130 photos and given 186 upvotes, highlighting the area's appeal for its diverse experiences and dramatic landscapes.
Yes, Windy Gap, located between Corn Du and Craig Gwaun Taf, is not only a fine viewpoint but also serves as a 'parting of the ways' for different routes. From here, you can choose to follow crowds down to the Storey Arms or take a quieter path towards Craig Gwaun Taf.
The Brecon Beacons National Park, where Trallong is located, offers beautiful scenery year-round. However, for hiking and biking, spring to autumn (April to October) generally provides the most favorable weather conditions. During these months, trails are typically drier and temperatures are milder, making for a more enjoyable experience. Winter can bring challenging conditions, including snow and ice, especially at higher elevations.


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