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Road cycling routes
United Kingdom
Wales
South Wales

Cwmllynfell

The best road cycling routes around Cwmllynfell

3.9

(17)

1,082

riders

54

rides

Road cycling routes around Cwmllynfell are situated on the southern edge of the Brecon Beacons National Park, offering diverse terrain for cyclists. The area features challenging ascents like the Black Mountain, alongside more gentle routes along canal towpaths and around reservoirs. The landscape includes rolling hills, wooded gorges, and winding lanes, providing varied cycling experiences.

Best road cycling routes around Cwmllynfell

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

Last updated: April 25, 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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Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

Moderate

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

Easy

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

Moderate
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Popular around Cwmllynfell

Cycling around Cwmllynfell

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Tips from the Community

Paul Key
June 16, 2025, Road Over Usk Reservoir, Bannau Brycheiniog National Park

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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A long 9.7km climb that will see you gain 422m, with an average and fairly consistent gradient of 4.4% - so this is a nice one to set your gear and go for a smooth cadence while you take in the wonderful scenery.

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Bring plenty of water on this trip as shops are few and far between!

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Well maintained tow path and is quite tranquil

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Great views of the Black Mountain

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Like being dropped into another planet. Nothing but you and the sheep

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This section of road is exposed and wild – a real treat year round.

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Frequently Asked Questions

How many road cycling routes are available around Cwmllynfell?

There are over 50 road cycling routes around Cwmllynfell, offering a wide range of options for different skill levels and preferences. These routes are highly rated by the komoot community, with an average score of 3.9 stars from more than 10 reviews.

What types of terrain can I expect on road cycling routes near Cwmllynfell?

The region offers diverse terrain, from challenging mountain ascents like the Black Mountain to more gentle routes along canal towpaths and around reservoirs. You'll encounter rolling hills, wooded gorges, and winding lanes, providing varied cycling experiences within the Brecon Beacons National Park area.

Are there easy road cycling routes suitable for beginners or families in Cwmllynfell?

Yes, Cwmllynfell offers several easy road cycling routes. For example, the Junction Cafe – National Cycle Route 43 loop from Ystalyfera is an easy 17.5-mile (28.2 km) path that incorporates sections of National Cycle Route 43, which often utilizes former railway lines and peaceful canal towpaths, making it suitable for a more relaxed ride.

Where can I find challenging road cycling routes around Cwmllynfell?

For a challenging experience, consider routes that venture into the Brecon Beacons National Park. The From Brynaman to Usk Reservoir via Black Mountain — Brecon Beacons National Park route is a difficult 44.9-mile (72.4 km) trail featuring a significant climb through the Black Mountain, rewarding cyclists with expansive views of the Welsh scenery.

Are there any circular road cycling routes in the Cwmllynfell area?

Yes, many routes in the Cwmllynfell area are circular. For instance, the Aberdulais Stone Bridge – Swansea Canal Towpath loop from Cwmllynfell is a moderate 29.9-mile (48.3 km) circular trail that takes you through the scenic Swansea Canal Towpath area.

What natural attractions can I see while road cycling near Cwmllynfell?

Road cycling routes often pass near stunning natural attractions. You can visit Henrhyd Falls, the highest waterfall in South Wales, or enjoy views of the Usk Reservoir. The region also features wooded gorges and panoramic viewpoints from areas like Cwmllynfell Mountain.

Are there any historical sites or landmarks accessible by road bike around Cwmllynfell?

Yes, you can incorporate visits to historical sites. Routes may take you near Carreg Cennen Castle, a dramatic hilltop fortress. Additionally, Craig-y-Nos Country Park and Castle, once owned by opera singer Adelina Patti, is situated on the southern edge of the Brecon Beacons National Park and offers picturesque views. For more information on the country park, you can visit Visit Wales.

When is the best time of year for road cycling in Cwmllynfell?

The best time for road cycling in Cwmllynfell is generally from spring through autumn (April to October) when the weather is milder and more predictable. Summer offers the longest daylight hours, while spring and autumn provide beautiful scenery with fewer crowds. Always check local weather conditions before heading out, especially when planning to tackle higher elevations like the Black Mountain.

Can I find routes that are less crowded for a more peaceful ride?

While popular routes can see more traffic, many of the winding lanes and quieter sections, particularly those away from major attractions, offer a more peaceful cycling experience. Exploring the numerous moderate and easy routes, such as those along the Swansea Canal Towpath, can often lead to less crowded paths.

Are there opportunities for wildlife spotting along the road cycling routes?

Yes, the diverse landscapes around Cwmllynfell, including woodlands, reservoirs, and the Brecon Beacons National Park, provide excellent opportunities for wildlife spotting. Keep an eye out for local bird species, red kites soaring overhead, and other native animals, especially in the quieter, more natural sections of the routes.

Are there any routes that incorporate sections of the National Cycle Network?

Yes, some routes around Cwmllynfell integrate sections of the National Cycle Network. For example, the Junction Cafe – National Cycle Route 43 loop from Ystalyfera utilizes parts of National Cycle Route 43, which is known for following former railway lines and canal towpaths, offering a generally flatter and more accessible cycling experience.

What is the average difficulty level of road cycling routes in Cwmllynfell?

The routes around Cwmllynfell cater to all abilities. Out of over 50 routes, there are 9 easy, 29 moderate, and 16 difficult options. This means you can find everything from gentle rides along canal paths to challenging climbs through mountainous terrain.

Most popular routes around Cwmllynfell

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