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MTB trails
United Kingdom
Wales
South Wales
Carmarthenshire

Quarter Bach

The best MTB trails around Quarter Bach

3.9

(7)

53

riders

11

rides

Mountain bike trails around Quarter Bach are situated at the foot of the Black Mountain, within the Brecon Beacons National Park. The region features rugged terrain, open moorland, and significant elevation changes, providing diverse landscapes for mountain biking. Riders can expect deep-sided valleys, river crossings, and expansive open hillsides. The Amman Valley also offers scenic backdrops for routes.

Best mountain bike trails around Quarter Bach

  • The most popular mountain bike trail is Black Mountain loop from Brynamman, a 32.8…

Last updated: May 10, 2026

3.0

(1)

1

riders

#1.

Banwen Gwys & Swansea Valley loop from Dan-yr-Ogof — Bannau Brycheiniog (Brecon Beacons) National Park

26.5km

02:37

730m

730m

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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Moderate

3

riders

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

Hard
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Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

Hard

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate
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Tips from the Community

Jackie W
July 9, 2025, View of Swansea Marina from Trafalgar Bridge

Superb flat ride

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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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Grace
March 19, 2025, Swansea Bay

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

1

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Well maintained tow path and is quite tranquil

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FARID L
January 24, 2024, Herbert's Quarry

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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Nestled along one of the finest driving routes in Great Britain, this spot is perfect for a leisurely picnic at the available benches or simply admiring the stunning views. Keep an eye out for the occasional ice cream van to add a sweet touch to your visit

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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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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

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Frequently Asked Questions

How many mountain bike trails are available in Quarter Bach?

Quarter Bach offers a selection of 12 mountain bike trails, catering to various skill levels, from moderate paths to challenging loops.

Are there mountain bike trails suitable for beginners or families in Quarter Bach?

Yes, for those seeking a less strenuous ride, the Amman Valley Riverside Path (Sustrans Route 437) provides a traffic-free, 7-mile route ideal for families or those preferring a relaxed pace. While most komoot routes are moderate to difficult, there is 1 easy trail available.

What kind of terrain can I expect on mountain bike trails in Quarter Bach?

The trails in Quarter Bach, situated at the foot of the Black Mountain, feature rugged mountainous terrain, open moorland, and significant elevation changes. You'll encounter deep-sided valleys, river crossings, and expansive open hillsides, with some routes navigating through forest tracks and lakeside paths.

What are some challenging mountain bike routes in the area?

For experienced riders seeking a demanding route, the Black Mountain loop from Brynamman is a 52.8 km trail with significant elevation gain. Another challenging option is the Banwen Gwys & Swansea Valley loop from Dan-yr-Ogof, which is 26.5 km long and leads through the Bannau Brycheiniog National Park.

Are there any notable viewpoints or landmarks along the mountain bike trails?

Yes, the region offers breathtaking panoramic views across the Brecon Beacons National Park. You can find highlights such as View of the Central Beacons from the Cattle Grid. The Herbert's Quarry – View of Carreg Cennen Castle loop from Gwaun-Cae-Gurwen also provides views of the surrounding mountains and the historic Carreg Cennen Castle.

Can I find waterfalls near the mountain bike trails in Quarter Bach?

Yes, the area around Quarter Bach features several beautiful waterfalls. You can explore highlights like Henrhyd Falls, Nant Tawe Fechan Waterfalls, and a Waterfall Along the Boardwalk in the Bannau Brycheiniog National Park.

What do other mountain bikers say about the trails in Quarter Bach?

The mountain bike routes in Quarter Bach are highly rated by the komoot community, with an average score of 3.8 stars from over 9 reviews. More than 60 mountain bikers have used komoot to explore the varied terrain, often praising the rugged mountainous landscapes and scenic river valleys.

What is the best time of year for mountain biking in Quarter Bach?

The Black Mountain area, including Quarter Bach, can be enjoyed throughout the year, but conditions vary seasonally. Spring and autumn often offer pleasant temperatures and vibrant scenery. During winter, be prepared for potentially challenging conditions due to snow or ice at higher elevations.

Are there any moderate-difficulty mountain bike loops in Quarter Bach?

Yes, there are several moderate loops. The Herbert's Quarry – View of Carreg Cennen Castle loop from Gwaun-Cae-Gurwen is a popular 32.8 km moderate path. Another option is the Footbridge Over Afon Llwchwr loop from Llandybie, which covers 45.3 km.

Is Quarter Bach easily accessible by public transport for mountain bikers?

Quarter Bach is nestled in Carmarthenshire, Wales. While specific public transport options directly to trailheads may be limited, main settlements like Upper Brynamman and Ammanford are generally served by local bus routes. It's advisable to check local transport schedules for the most up-to-date information when planning your trip.

Where can I find parking for mountain biking in Quarter Bach?

Parking is typically available in or near the main settlements within Quarter Bach, such as Upper Brynamman, which serves as a starting point for several trails. Specific parking details for individual trailheads may vary, so it's recommended to check route descriptions on komoot for precise information.

Are there any long-distance mountain bike routes in the region?

Yes, for those looking for longer rides, the Swansea Canal Towpath – Swansea Bay loop from Ystradgynlais is a substantial 72.2 km route, offering a different kind of experience with less elevation gain compared to the mountain loops.

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