4.6
(5)
48
riders
12
rides
Mountain biking around Cwmllynfell offers diverse landscapes within the scenic Swansea Valley. The region features rugged uplands, marshy grasslands, and ancient woodlands, providing varied terrain for mountain bike routes. Its proximity to renowned mountain biking hubs like Afan Forest Park and BikePark Wales further enhances its appeal for cyclists. The area's physical features include significant elevation changes, river valleys, and panoramic viewpoints.
Last updated: April 22, 2026
3
riders
52.8km
04:54
1,390m
1,390m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
5.0
(1)
13
riders
72.2km
03:52
320m
320m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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2
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.0
(1)
5
riders
14.7km
01:22
320m
330m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(1)
5
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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A lovely little cafe for a quick pit stop en route
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The Black Mountain Category 3 Climb from Brynaman is a 5.5km climb with a total ascent of 312m, topping out at 495m. The average gradient is 5.8% with the steepest 100m section reaching 8.4%. Grind out the best gear you can on the consistent slope and gradually as you rise above the valley towards the plateau you are rewarded with some of the best scenery in Wales. You've earnt the descent.
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Swansea bay is a great long stretch of beach and in one direction you have the city and the other direction you have Mumbles. Theres lots of cafes and places to visit and you can either walk on the footpath or along the beach. There are always lots of shells and things washed up so great for beach combing or exploring with kids
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Herbert’s Quarry is part of the Black Mountain and Mynydd Myddfai Registered Landscape of Outstanding Historic Interest in Wales. Unlike in other lime producing areas where canals and tramroads could be built, the industry at Herbert’s Quarry was served solely by road transport. The lime trade was a factor in the development of Turnpike roads, and the network of tracks and roads over the mountain is closely associated with the activity at Herbert’s Quarry. As you walk through the site you are taking a journey through time, and walking in the footsteps of many hundreds and thousands of people before you, people whose hard work, sweat and drudgery shaped this landscape and left a rich industrial legacy.
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Bracelet Bay is a small bay on the south of the Gower Peninsula. It is the first bay one comes to after leaving Swansea Bay and rounding Mumbles Head. Surrounded by limestone cliffs, the bay is pebbly, with some sand. To the west, the bay is separated from Limeslade Bay by Tutt Hill, the location of a coastguard look-out station. A notable feature of the bay is the "Big Apple" kiosk, a concrete structure that was erected by the roadside during the 1930s as an advertising feature and has been a sales outlet ever since. Several similar kiosks were erected along the South Wales coast, but the one in Bracelet Bay is the only example surviving. In 2010 it was largely rebuilt after being damaged by a vehicle the previous year, and in 2019 it was designated a Grade II listed building. The name 'Bracelet' is thought to be a corruption of 'Broad Slade'.
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There are 12 mountain bike trails around Cwmllynfell, offering a variety of experiences for different skill levels. These include 2 easy, 8 moderate, and 2 difficult routes.
The terrain around Cwmllynfell is diverse, featuring rugged uplands, marshy grasslands, and ancient woodlands. You'll encounter significant elevation changes, river valleys, and panoramic viewpoints, providing varied challenges and scenic backdrops for your ride.
The mountain bike trails in Cwmllynfell are highly rated by the komoot community, with an average score of 4.6 stars from 5 reviews. Riders often praise the varied terrain and the stunning Welsh scenery, especially on routes like the Black Mountain loop from Brynamman.
Yes, for a more relaxed experience, the Amman Valley Cycleway provides a flatter route ideal for families and casual riders, following the riverbank. While not explicitly listed in the guide's routes, it's a well-known local option for gentler cycling.
For experienced mountain bikers, the Black Mountain loop from Brynamman is a difficult route featuring a significant climb of 5.5km with a 312m ascent. Additionally, nearby Afan Forest Park and BikePark Wales offer extensive networks of challenging trails for all skill levels, including steep descents and singletrack.
Yes, several routes in the area are circular. Examples include the challenging Black Mountain loop from Brynamman and the moderate Herbert's Quarry – View of Carreg Cennen Castle loop from Gwaun-Cae-Gurwen.
Yes, Cwmllynfell offers options suitable for families. The Amman Valley Cycleway is a gentle, flatter route perfect for family rides. Additionally, the Cwmllynfell Waterfall & Forest Trails offer beautiful settings for walks and picnics, which can be combined with easier cycling sections.
Many trails in the Cwmllynfell area are dog-friendly, especially those on public rights of way. However, it's always best to keep dogs under close control, particularly around livestock, and to check specific trail regulations or local signage before you go. Always carry water for your dog and clean up after them.
You can encounter several natural features and landmarks. The Herbert's Quarry loop from Gwaun-Cae-Gurwen offers views of Carreg Cennen Castle. The region also boasts the Cwmllynfell Mountain and Panoramic Lookout for breathtaking views, and the dramatic Henrhyd Falls, the highest waterfall in South Wales.
Yes, Henrhyd Falls, the highest waterfall in South Wales, is a spectacular sight plunging 90 feet into a wooded gorge. While not directly on a mountain bike trail, it's a notable nearby attraction that can be visited, with trails leading to it suitable for walking.
Beyond the trails, you can explore Craig-y-Nos Country Park and Castle, featuring 40 acres of Victorian gardens, woodlands, and ponds. The historic Carreg Cennen Castle, perched on a limestone crag, also offers extensive views and is a short distance from some routes.
Parking is generally available at trailheads or nearby villages. For example, routes starting from Brynamman or Ystradgynlais will have local parking options. If visiting larger hubs like Afan Forest Park or BikePark Wales, dedicated visitor centers offer ample parking facilities.
While specific cafes directly on every trail are not guaranteed, you'll find options in nearby villages like Cwmllynfell, Brynamman, or Ystradgynlais. Larger mountain biking centers like Afan Forest Park also have cafes and facilities available.


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