4.1
(20)
2,518
riders
149
rides
Road cycling routes around Cwmamman are situated within the Amman Valley, bordering the Brecon Beacons National Park. The region features varied terrain, from the gentle gradients of the River Amman valley to the more challenging climbs towards the Black Mountain. Re-landscaped hillsides, a legacy of the area's mining history, now offer verdant landscapes and contribute to the scenic appeal. This area provides a mix of riverside paths and ascents into the surrounding uplands.
Last updated: April 23, 2026
4
riders
72.4km
04:05
1,420m
1,420m
Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.
36
riders
39.6km
01:41
300m
300m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

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27
riders
44.7km
02:26
900m
900m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
27
riders
44.7km
02:26
900m
900m
Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.
11
riders
19.8km
00:59
130m
130m
Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.
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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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Great climb, long but not too steep. Views are absolutely amazing !!!
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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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Bring plenty of water on this trip as shops are few and far between!
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Great views of the Black Mountain
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Cwmamman offers a wide selection of road cycling routes, with over 150 tours available on komoot. These routes cater to various skill levels, from easy rides along the valley floor to challenging ascents into the uplands.
The road cycling routes in Cwmamman range from easy to difficult. You'll find approximately 22 easy routes, 98 moderate routes, and 30 difficult routes, ensuring options for every cyclist, from beginners to experienced riders seeking a challenge.
Yes, Cwmamman offers several easy road cycling routes perfect for beginners or families. The Amman Valley Cycleway is a notable traffic-free path that provides a gentle, scenic ride alongside the River Amman. For a slightly longer, easy road route, consider the Llandeilo – Llandeilo Town Centre loop from Garnant, which offers a relaxed ride through the countryside.
Absolutely. For cyclists seeking a challenge, the region's proximity to the Brecon Beacons National Park and the Black Mountain provides routes with substantial elevation gain. A prime example is the difficult route From Brynaman to Usk Reservoir via Black Mountain, which features over 1400 meters of climbing over 72 kilometers.
Road cycling in Cwmamman offers diverse scenery, transitioning from the verdant Amman Valley with its riverside paths to re-landscaped hillsides and the foothills of the Brecon Beacons. You'll experience a unique blend of natural beauty and industrial heritage, with views of the Black Mountain and the River Amman, and opportunities to spot local wildlife like buzzards and red kites.
Yes, several points of interest enhance the road cycling experience. You can cycle past the historic Herbert's Quarry, or enjoy views towards the imposing Carreg Cennen Castle. The Amman Valley Cycleway itself is a highlight, offering a traffic-free journey through picturesque landscapes.
Yes, many road cycling routes in Cwmamman are designed as loops, allowing you to start and finish at the same point. Examples include the Llandeilo – Llandeilo Town Centre loop from Garnant and the Herbert's Quarry loop from Garnant, offering convenient options for exploring the area.
Spring and summer are generally ideal for road cycling in Cwmamman, offering pleasant temperatures and the chance to see wildflowers and lush greenery. Autumn also provides beautiful scenery with changing foliage. While routes are accessible year-round, be prepared for potentially wetter and colder conditions during winter months, especially on higher elevations.
Yes, parking is generally available in towns and villages throughout the Amman Valley, which serve as common starting points for many routes. Specific parking information for individual trailheads can often be found within the details of each komoot tour.
Public transport options, such as local bus services, connect various communities within the Amman Valley. While direct access to every trailhead might vary, these services can help cyclists reach starting points for routes around Cwmamman. It's advisable to check local timetables and bike carriage policies in advance.
The road cycling routes in Cwmamman are highly regarded by the komoot community, boasting an average rating of 4.1 stars from over 20 reviews. Cyclists frequently praise the varied terrain, from gentle valley rides to challenging mountain ascents, and the scenic beauty that blends natural landscapes with the region's unique heritage.
Given the varied terrain, a well-maintained road bike is essential. For routes with significant climbs, appropriate gearing will be beneficial. Always carry essentials like a repair kit, water, and snacks. Depending on the season, layers of clothing are recommended, as weather conditions can change, especially when ascending towards the Black Mountain.


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