Mountain passes near Llanfrynach offer access to the Brecon Beacons National Park in Wales. The village of Llanfrynach, situated near the Nant Menasgin river, serves as a starting point for exploring these routes. These passes provide challenging terrain for various outdoor activities. The area features the Welsh mountains, offering a natural landscape for exploration.
Last updated: May 3, 2026
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Popular around Llanfrynach
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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The most popular mountain passes in the area include The Gap Pass, known for its challenging mountain biking routes and stunning scenery, and The Gap (Bannau Brycheiniog National Park), a focal point for mountain biking between Pen y Fan and Fan y Big. Visitors also highly rate The Gap Pass (Bwlch ar y Fan), Brecon Beacons National Park, which features tough terrain and is recognized as an old Roman road.
The Gap Pass is renowned for challenging mountain biking and hiking. Its technical terrain, including chunky and steep sections, often requires hikers and bikers to push their equipment. It offers a rewarding experience with breathtaking views across the Brecon Beacons.
Yes, Gospel Pass is the highest road pass in Wales and offers expansive views of Hay Bluff and Twmpa in the Black Mountains, making it ideal for scenic drives. The Black Mountain Pass (A4069), though further afield, is also a popular destination for thrilling scenic drives through rugged landscapes. Additionally, the Llangynidr Mountain Road (B4560) is recognized for its incredible views and is often recommended for motorcycle trips.
Gospel Pass holds the distinction of being the highest road pass in Wales. It provides expansive views of Hay Bluff and Twmpa, prominent peaks in the Black Mountains. While the descent towards Hay-on-Wye offers a better road surface, the approach from Abergavenny is known for its narrow, twisty, and rough conditions, adding to its character.
The Gap Pass (Bwlch ar y Fan) is a classic mountain biking route, known for its technical terrain and challenging sections. The Gap (Bannau Brycheiniog National Park) is also a focal point for mountain biking, especially when ridden from south to north, offering an exhilarating descent with rock steps. For more gravel biking options, you can explore routes like the 'Monmouthshire & Brecon Canal loop from Llanfrynach' found in the Gravel biking around Llanfrynach guide.
Yes, The Gap Pass (Bwlch ar y Fan) is known as an old main Roman road, providing an encounter with engineered paths from ancient times. This adds a layer of historical significance to the challenging terrain.
Several hiking trails incorporate parts of these passes. For instance, routes like the 'Llanfrynach and Fan-y-Big Walk' and the 'Fan y Big, Waun Rydd & Bryn loop from Llanfrynach' showcase the high mountain ridges and open moorland around The Gap Pass. For more hiking options, refer to the Running Trails around Llanfrynach guide, which includes routes like the 'Brecon Beacons Horseshoe Ridge Trail'.
The Black Mountain Pass (A4069) is located on the western side of the Brecon Beacons and gained fame from the television show Top Gear. It ascends to approximately 488 meters (1600 feet) and is known for its rugged landscapes and many corners, offering excellent driving and views. Be aware that the speed limit is 40 mph, and average speed cameras are in operation.
Visitors frequently highlight the amazing scenery and breathtaking views across the Brecon Beacons. The challenging nature of the trails, especially for mountain biking and hiking, is also a major draw. The sense of accomplishment after tackling technical sections and the expansive, open moorland vistas are often mentioned as key attractions.
For The Gap Pass, be prepared for technical terrain, including steep, stony steps and rocks, which may require hike-a-bike sections, especially near the top. A bike with suspension is recommended for comfort, though a hardtail is doable. The pass can be quite exposed and blowy if the weather is poor, so check conditions beforehand.
Yes, the region offers challenging road cycling routes. The Llangynidr Mountain Road (B4560) features a near-6km climb with switchbacks, offering fantastic views. You can find more road cycling options, such as the 'Talybont Stone Bridge – Crickhowell Castle ruins loop from Llanfrynach', in the Road Cycling Routes around Llanfrynach guide.
The Gap Pass reaches an elevation of 600 meters (approximately 1968 feet) above sea level. Gospel Pass is the highest road pass in Wales, while the Black Mountain Pass (A4069) ascends to about 488 meters (1600 feet). The Llangynidr Mountain Road reaches a summit of 557 meters (1829 feet).


See even more epic mountain passes by checking out these guides around Llanfrynach: