Best mountain passes around Glyn Tarell are characterized by dramatic high mountain ridges, open moorland, and glacially carved valleys within the Brecon Beacons National Park. The region offers numerous challenging and scenic routes that traverse significant mountainous terrain, effectively acting as passes between prominent peaks. These routes provide spectacular panoramic views and an immersive experience in the wild beauty of the Welsh landscape. Glyn Tarell is a major draw for visitors seeking to explore the mountainous heart of the Brecon Beacons.
Last updated: May 19, 2026
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Hiking around Glyn Tarell
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Cycling around Glyn Tarell
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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Fun fast decent. Watch out for those larger rocks!
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Glyn Tarell, within the Brecon Beacons National Park, is known for its dramatic high mountain ridges, open moorland, and glacially carved valleys. While not traditional vehicular passes, the area offers numerous challenging and scenic hiking routes that traverse significant mountainous terrain, effectively acting as passes between prominent peaks. These routes provide spectacular panoramic views and an immersive experience in the wild beauty of the Welsh landscape.
Yes, some routes in Glyn Tarell follow old 18th-century coach roads, and you can find remnants of ancient farmsteads. For example, The Gap Pass (Bwlch ar y Fan), Brecon Beacons National Park is known for its connection to an old main Roman road, offering an encounter with engineered paths and historical interest.
Among the most appreciated by the komoot community is The Gap Pass, a technical trail that tackles one of the Brecon Beacons’ classic MTB routes, topping out at 600 metres above sea level between Fan-y-Big and Cribyn. It's a challenging route for both gravel and mountain biking.
The mountainous routes in Glyn Tarell offer rewarding experiences throughout the year, but visitors should always be prepared for rapid weather changes and low visibility at higher elevations, especially during autumn and winter. Spring and summer generally offer more stable conditions for enjoying the panoramic views, though proper equipment is always essential.
From the high ridges and summits of Glyn Tarell's mountainous routes, hikers are treated to breathtaking 360-degree vistas across the entire Bannau Brycheiniog (Brecon Beacons) National Park. The region is characterized by dramatic, glacially carved cliffs and winding river valleys, offering a sense of wildness and natural grandeur.
Absolutely. The area is known for challenging routes. For mountain biking, The Gap (Bannau Brycheiniog National Park), lying in the saddle between Pen y Fan and Fan y Big, is a focal point. Best ridden from south to north, it offers an exhilarating descent with rock steps at the top, though it can be quite exposed to wind.
Beyond exploring the passes themselves, Glyn Tarell is a hub for various outdoor sports. You can find numerous MTB Trails, including challenging loops like the Taff Trail Pen y Fan Loop. There are also many hiking routes and running trails, such as the Brecon Beacons Horseshoe Ridge Trail, catering to various difficulty levels.
Yes, Bwlch Cerrig Duon Pass is a completely unassuming road that offers one of the best and quietest views of the Western Brecon Beacons or Carmarthenshire Fans. It's known for its natural beauty, wildness, and unexpectedly smooth tarmac, making it a favourite for many cyclists.
The routes in Glyn Tarell involve significant ascents and descents, providing a physical challenge rewarded by unparalleled scenery. The terrain can be diverse, from smooth sections to chunky, technical paths with stony steps and rocks, especially at higher elevations. Always check route descriptions and be prepared for varying conditions.
For cyclists, Bwlch Bryn-Rhudd offers a rewarding experience. The early slopes are shallow, gradually increasing in pitch as you traverse the Fforest Fwar. It's known for its smooth, wide road and the dramatic high valley sides that funnel you towards the summit, culminating in a slightly tougher finale.
Visitors consistently praise the spectacular panoramic views and the immersive experience in the wild beauty of the Welsh landscape. The challenging yet rewarding hikes, the dramatic glacially carved landscapes, and the sense of remoteness are frequently highlighted as major draws. The opportunity to connect with nature and experience the raw beauty of the Brecon Beacons is a key appeal.


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