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United Kingdom
Wales
South Wales
Carmarthenshire

Betws

The best MTB trails around Betws

4.8

(4)

43

riders

13

rides

Mountain biking around Betws offers diverse terrain for riders. The region features a mix of challenging mountain ascents, scenic reservoir paths, and historic quarry landscapes. Riders can explore routes that traverse significant elevation changes and follow former railway lines, providing varied experiences across the landscape.

Best mountain bike trails around Betws

  • The most popular mountain bike trail is Black Mountain loop from Brynamman, a 32.8 miles (52.8 km) trail that takes 4 hours 54 minutes to complete, featuring significant…

Last updated: May 7, 2026

3

riders

#1.

Black Mountain loop from Brynamman

52.8km

04:54

1,390m

1,390m

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

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Hard

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

Moderate
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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

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

Moderate
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Popular around Betws

Road Cycling Routes around Betws

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Tips from the Community

Rebeccalucy8
June 30, 2025, Lower Lliw Reservoir and Café

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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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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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.

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Bit of climbing but rewarded with views and eventually emerge further up the Black Mountain

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Nice gravel track down to the reservoir with lovely views. Track down can get muddy but good fun. Do-able on a gravel bike

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Adie
November 23, 2022, Upper Lliw Reservoir

Easy walking along the Eastern and Southern edges of the reservoir, courtesy of the Gower Way (a 35-mile path linking Penller Castell to Rhossili if you fancy stretching your legs a little further). Fantastic views.

4

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Frequently Asked Questions

What types of mountain bike trails can I expect around Betws?

The Betws region offers a diverse range of mountain biking experiences, from challenging mountain ascents to scenic reservoir paths and routes through historic quarry landscapes. You'll find trails that traverse significant elevation changes as well as those that follow former railway lines, providing varied terrain for all skill levels.

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

Yes, Betws has options for less experienced riders. There are 2 easy mountain bike trails available. While specific family-friendly routes aren't detailed, trails with lower difficulty are generally more suitable. For a moderate option that offers scenic views, consider the Mynydd Pysgodlyn – Lower Lliw Reservoir and Café loop from Pontarddulais.

What are the more challenging mountain bike trails in the Betws area?

For experienced mountain bikers seeking a challenge, there is 1 difficult trail in the Betws area. A notable demanding route is the Black Mountain loop from Brynamman, which covers 32.8 miles (52.8 km) and features significant elevation gain, typically taking nearly 5 hours to complete.

Are there any circular mountain bike routes around Betws?

Many of the mountain bike routes around Betws are designed as loops, offering a convenient way to explore the area without retracing your steps. Examples include the Herbert's Quarry – View of Carreg Cennen Castle loop from Gwaun-Cae-Gurwen and the Mynydd Pysgodlyn – Banc y Bo Railway Path loop from Pontarddulais.

What is the typical length and duration of mountain bike trails in Betws?

The mountain bike trails in Betws vary in length and duration. For example, the Black Mountain loop from Brynamman is 32.8 miles (52.8 km) and takes around 4 hours 54 minutes, while the Herbert's Quarry – View of Carreg Cennen Castle loop from Gwaun-Cae-Gurwen is 20.3 miles (32.8 km) and can be completed in about 2 hours 22 minutes.

What scenic highlights can I expect on mountain bike trails in Betws?

The trails often feature scenic views of reservoirs, such as on the Mynydd Pysgodlyn – Lower Lliw Reservoir and Café loop from Pontarddulais. You can also encounter historic sites like Herbert's Quarry and even catch views of Carreg Cennen Castle on certain routes.

Are there any interesting landmarks or attractions near the mountain bike trails?

Yes, the area around Betws is rich with points of interest. Along or near the trails, you can find the Amman Valley Cycleway, the historic Carreg Cennen Castle, and the scenic Upper Lliw Reservoir. There's also Herbert's Quarry, offering a glimpse into the region's industrial past.

What do other mountain bikers say about the trails in Betws?

The mountain bike trails in Betws are highly regarded by the komoot community, with an average rating of 4.75 stars from over 4 reviews. Riders often praise the diverse terrain, from challenging mountain ascents to picturesque reservoir paths, and the well-maintained routes that cater to various skill levels.

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

Spring and autumn generally offer the most pleasant conditions for mountain biking in Betws, with milder temperatures and beautiful scenery. Summer can also be excellent, though trails may be busier. Winter riding is possible but be prepared for colder, potentially wetter conditions and shorter daylight hours. Always check local weather forecasts and trail conditions before heading out.

Are there any trails that follow old railway lines?

Yes, some routes in the Betws area incorporate former railway lines, offering relatively flatter and often scenic paths. An example is the Mynydd Pysgodlyn – Banc y Bo Railway Path loop from Pontarddulais, which provides a unique historical element to your ride.

Can I find trails that combine natural beauty with historical sites?

Absolutely. The Betws region is known for its blend of natural landscapes and historical significance. The Herbert's Quarry – View of Carreg Cennen Castle loop from Gwaun-Cae-Gurwen is a prime example, taking you through old quarry sites and offering views of a historic castle.

How many mountain bike trails are available in the Betws area?

There are 13 mountain bike trails available for exploration around Betws, offering a good variety of options for different skill levels and preferences.

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