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Road cycling routes
United Kingdom
Wales
South Wales
Carmarthenshire

Quarter Bach

The best road cycling routes around Quarter Bach

4.5

(23)

2,459

riders

158

rides

Road cycling routes around Quarter Bach, located in Carmarthenshire, Wales, traverse a diverse and dramatic landscape. The area is situated at the foot of the Black Mountain, offering significant climbs and descents for cyclists. Expansive open moorland provides scenic routes with uninterrupted views. This region features varied gradients and winding paths, catering to different road cycling preferences.

Best road cycling routes around Quarter Bach

  • The most popular road cycling route is From Brynaman to Usk Reservoir via Black Mountain —…

Last updated: July 13, 2026

4

riders

#1.

From Brynaman to Usk Reservoir via Black Mountain — Brecon Beacons National Park

72.4km

04:05

1,420m

1,420m

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

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Hard

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

Moderate
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Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

Easy

24

riders

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate
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Tips from the Community

grafj
July 10, 2026, Black Mountain Climb from Brynaman

Great road for cycling up/down. The surface has degraded a bit over recent years, but still a great climb/descent.

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grafj
July 10, 2026, Herbert's Quarry

Interesting ruins of a time gone by, with spectacular views over the Carmarthen countryside

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David Howells
April 22, 2026, Llandeilo

Nestled in the heart of Carmarthenshire, you will find the charming market town of Llandeilo. This is a historic town full of history, beauty and culture. Here you will find the historic bridge that spans the River Tywi, charming colourful houses, ancient Dinefwr Castle and stately Dinefwr Park. The whole area is a little bit of a Welsh paradise, offering an authentic and unforgettable Welsh experience.

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Some steep climbing but the scenery is sublime.

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Great climb, long but not too steep. Views are absolutely amazing !!!

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Lots of lovely cafes and pubs

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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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Geraint
February 28, 2025, Llandeilo

lovely market town

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Frequently Asked Questions

How many road cycling routes are available in Quarter Bach?

Quarter Bach offers a wide selection of road cycling routes, with over 160 options available. These routes cater to various skill levels, from easy to difficult, ensuring there's something for every road cyclist.

What kind of terrain can I expect when road cycling around Quarter Bach?

The terrain around Quarter Bach is diverse and dramatic. You can expect significant climbs and descents, especially at the foot of the Black Mountain, offering challenging gradients and winding paths. There are also expansive open moorland sections providing scenic routes with uninterrupted views.

Are there easy road cycling routes suitable for beginners in Quarter Bach?

Yes, Quarter Bach has routes suitable for beginners. There are 25 easy routes available. An example of a moderate route that offers a mix of scenery is the Llandeilo – Llandeilo Town Centre loop from Garnant, which is 24.5 miles long and leads through local countryside.

Where can I find challenging road cycling routes in Quarter Bach?

For those seeking a challenge, Quarter Bach offers 41 difficult road cycling routes. The area is known for the strenuous ascents of the Black Mountain. A prime example is the From Brynaman to Usk Reservoir via Black Mountain — Brecon Beacons National Park, a 44.9-mile trail with substantial elevation gain through mountainous terrain.

Are there any circular road cycling routes in Quarter Bach?

Yes, many of the road cycling routes in Quarter Bach are designed as loops. For instance, the Aberdulais Stone Bridge – Swansea Canal Towpath loop from Cwmllynfell is a moderate 30.0-mile circular path. Another option is the Llandeilo – Llandeilo Town Centre loop from Garnant.

What natural features or landmarks can I see along the road cycling routes?

Road cycling routes in Quarter Bach often feature stunning natural beauty and historical landmarks. You can encounter picturesque views of natural features like Llyn y Fan Fach, and potentially pass by summits such as Fan Brycheiniog summit or Picws Du summit. Historic sites like Carreg Cennen Castle and Dinefwr Castle are also nearby.

Are there waterfalls accessible by road bike in the Quarter Bach area?

Yes, the beautiful Henrhyd Falls, a natural waterfall, is located in the vicinity of Quarter Bach and can be incorporated into scenic cycling itineraries, offering a unique natural feature to visit.

Is Quarter Bach suitable for family-friendly road cycling?

While Quarter Bach offers varied terrain, including challenging mountain roads, there are also easier routes that might be suitable for families. For a mix of scenery and less strenuous cycling, consider routes that incorporate sections like the Amman Valley Cycleway, which is a highlight in the area.

What are the parking options for road cyclists in Quarter Bach?

Specific parking information for individual routes is often detailed on their respective komoot tour pages. Generally, you can find parking in towns and villages like Garnant or Brynaman, which serve as common starting points for many routes in the Quarter Bach area.

What is the best time of year for road cycling in Quarter Bach?

The best time for road cycling in Quarter Bach is typically during the spring, summer, and early autumn months when the weather is milder and more predictable. The open moorland and mountain roads can be exposed, so checking the weather forecast is always recommended, especially outside of peak seasons.

What do other cyclists say about road cycling in Quarter Bach?

The road cycling routes in Quarter Bach are highly rated by the komoot community, with an average score of 4.5 stars from over 20 reviews. Cyclists often praise the challenging ascents of the Black Mountain, the sweeping open moorland roads, and the picturesque views of natural features like Llyn y Fan Fach.

Are there any routes that pass by historical sites or castles?

Yes, the Quarter Bach area is rich in history. You can find routes that pass near impressive historical landmarks such as Carreg Cennen Castle, Craig-y-Nos Castle, and Dinefwr Castle, offering cultural insights and impressive backdrops to your ride.

Can I find routes with pub stops or cafes in Quarter Bach?

While specific pub or cafe stops are not detailed for every route, many routes start or pass through local villages and towns where you can find amenities. Planning your route with komoot allows you to discover points of interest, including potential refreshment stops, along your chosen path.

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