4.6
(57)
773
riders
15
rides
Touring cycling around Ystradgynlais offers routes through the Upper Swansea Valley, situated at the foothills of the Brecon Beacons National Park. The landscape features a mix of river valleys, such as the River Tawe, and transitions into forested areas and the hills of the Black Mountain range. Cyclists can expect varied terrain, from reclaimed industrial lands now serving as green spaces to paths alongside waterways and through woodlands.
Last updated: July 7, 2026
15
riders
28.3km
02:12
440m
450m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
9
riders
23.0km
02:09
480m
480m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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9
riders
18.4km
01:46
380m
380m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
34.4km
02:15
430m
430m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Ystradgynlais
This section of NCN Route 43 takes you through woodland, alongside the river and along the the edge of Ystalyfera Natural Reserve.
1
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A beautiful traffic-free path along the River Amman with great views to the Black and Betws Mountains and wonderful scenery. The route also includes woodland, farmland, river pools and weirs.
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This disused railway bridge ran East out of the old iron works, across the river Amman to join the main line.
1
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Really well surfaced bike path that avoids the main road. Totally quiet and empty, I love infrastructure like this!
4
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There are over 15 dedicated traffic-free touring cycling routes around Ystradgynlais, offering a variety of experiences. These include routes suitable for different fitness levels, from easy rides to more challenging ascents.
The routes around Ystradgynlais offer a diverse range of landscapes. You can expect to cycle through the Upper Swansea Valley, alongside the River Tawe, and into the foothills of the Brecon Beacons National Park. Many routes feature forests, reclaimed industrial areas like Wern Plemys Nature Reserve, and offer glimpses of the Black Mountain range.
Yes, Ystradgynlais offers several family-friendly traffic-free options. The Amman Valley Cycleway is a notable traffic-free, mostly flat path suitable for families. The River Tawe – Swansea Canal Towpath loop also provides a moderate ride primarily on paved surfaces, ideal for a relaxed family outing.
Yes, many of the routes are designed as circular loops, allowing you to start and end in the same location. For example, the Forest Stream – Forest Cycle Path loop from Ystradgynlais is a moderate circular route, and the View of the Brecon Beacons loop from Ystradgynlais offers a more challenging circular experience.
The traffic-free routes around Ystradgynlais cater to various abilities. Approximately 3 routes are considered easy, 8 are moderate, and 4 are more difficult, often involving greater ascents or unpaved segments. This variety ensures there's a suitable ride for most touring cyclists.
While not directly on every route, the region is home to significant natural attractions. The highest waterfall in the Brecon Beacons, Henrhyd Falls, is nearby. You can also find natural features like Llyn y Fan Fach and Llyn y Fan Fawr, which are stunning lakes in the Black Mountain range, accessible from some of the more challenging routes.
The area is highly rated by the komoot community, with an average score of 4.7 stars. Reviewers often praise the quiet woodlands, the scenic valley rides, and the well-maintained cycle paths that offer a peaceful escape from traffic.
Many of the traffic-free routes, especially those on dedicated cycle paths or quiet country lanes, are suitable for cycling with dogs, provided they are well-behaved and kept under control. Always check local signage for specific restrictions, particularly in nature reserves or areas with livestock.
Parking is generally available in and around Ystradgynlais, often near the start points of popular cycle paths or in town centers. Specific parking information for individual routes can usually be found on their respective komoot tour pages.
Ystradgynlais is connected to the National Cycle Network, with Route 43 running alongside the River Tawe. This network often provides good access to public transport links, allowing you to reach various starting points. Local bus services may also accommodate bikes, but it's advisable to check with the operator beforehand.
Spring and autumn generally offer the most pleasant cycling conditions with milder temperatures and beautiful scenery, such as spring blossoms or autumn foliage. Summer is also popular, but routes can be busier. Winter cycling is possible, but be prepared for colder, wetter weather and potentially muddy sections on unpaved paths.
Yes, the routes offer numerous scenic viewpoints and access to historical landmarks. You can find stunning views from summits like Fan Brycheiniog and Picws Du. The area's industrial heritage is also visible, and attractions like Craig-y-Nos Country Park and Castle are nearby.


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