3.5
(3)
47
riders
11
rides
Gravel biking around Pengam, located in the Caerphilly county borough of South Wales, offers varied terrain within the Rhymney Valley. The area features a network of cycling routes, many of which utilize repurposed disused railway lines, providing mostly traffic-free paths. These routes often follow valley floors, characterized by gentle gradients and a mix of paved and unpaved surfaces. The landscape includes historical structures like the Hengoed Viaduct, which spans the Rhymney Valley.
Last updated: July 3, 2026
4.0
(2)
7
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
55.6km
04:01
770m
770m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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3
riders
77.7km
05:07
920m
920m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
33.2km
02:30
700m
700m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Great photo opportunity, but the area can be busy depending on the weather and it’s likely any progress on a bike would be very slow. Early mornings and evenings are good.
0
0
Lovely path to ride on. A gentle incline and suitable for most abilities
0
0
It's a beautiful canal but what is amazing is that it runs all the way to Brecon
0
0
Built in 1280, this castle has a fascinating life story. It is the second largest castle and grounds in UK, slightly smaller than Windsor castle. The water defenses are now home to plenty of birds and the grounds offer fantastic views of this stunning castle
1
0
Pengam offers a diverse range of gravel biking experiences, primarily characterized by repurposed disused railway lines that provide mostly traffic-free paths. You'll find routes following scenic valley floors with gentle gradients, as well as more challenging trails with significant elevation gains. The terrain often includes a mix of paved and unpaved surfaces, suitable for various fitness levels.
There are over 15 gravel bike routes available around Pengam. These include 3 moderate routes and 13 more challenging options, ensuring there's something for every skill level.
While many routes around Pengam are rated as difficult, the area's repurposed railway lines often provide gentler gradients suitable for families. For a moderate option, consider the Chartist Bridge – Heol Pen Rhiwr Eglwys loop from Caerphilly County Borough, which covers 22.1 km and takes about 1 hour 33 minutes.
A prominent historical landmark is the Hengoed Viaduct, a majestic Grade II* listed structure that is part of National Cycle Route 47, offering expansive views over the Rhymney Valley. You can also explore highlights like the Twmbarlwm Hill and Iron Age hillfort, or the Caerphilly Castle loop from Energlyn & Churchill Park, which passes by the historic Caerphilly Castle.
Yes, many of the gravel routes around Pengam are designed as loops. Examples include the challenging Trefil Quarry Cliffs – The Flinty Stone loop from Pengam, which is 56 km, or the Muddy Forest Trail – View of the Rolling Hills loop from Caerphilly County Borough, a 27.9 km route offering scenic views.
The gravel biking routes in Pengam are highly regarded by the komoot community, with an average rating of 3.5 stars. Over 50 gravel bikers have explored the varied terrain, often praising the unique blend of natural beauty and historical infrastructure, particularly the converted railway paths.
While gravel biking is possible year-round, spring and autumn generally offer the most pleasant conditions in South Wales. The weather is often milder, and the landscapes are particularly vibrant. Summers can be warm, and winters can bring colder, wetter conditions, which might make some unpaved sections muddy.
Absolutely. Pengam is known for its challenging routes, with 13 out of 16 trails rated as difficult. For instance, the Llanelly Quarry Limekilns – Pontymoile Basin loop from Crosskeys is a demanding 77.7 km ride with significant elevation, often taking over 6 hours to complete.
Pengam has a train station, and many of the region's cycling routes, including those utilizing the National Cycle Network, are designed with accessibility in mind. This often allows for convenient access to trailheads from public transport hubs, though checking specific route starting points is always recommended.
Many trailheads and popular starting points for cycling routes in the South Wales Valleys, including those near Pengam and the Hengoed Viaduct, offer designated parking facilities for cyclists. Specific parking details can often be found on individual route descriptions.
The South Wales Valleys region, with its rich history and communities, often has local pubs and cafes in towns and villages situated along or near popular cycling routes. While specific establishments aren't listed in the route data, exploring nearby communities like Maesycwmmer or Caerphilly will likely yield options for refreshments.
Elevation gains vary significantly depending on the route's difficulty. Moderate routes might have a few hundred meters of ascent, while difficult trails, such as the Trefil Quarry Cliffs – The Flinty Stone loop from Pengam, can feature over 775 meters of elevation gain, providing a substantial workout.


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