4.4
(86)
1,710
riders
72
rides
Mountain bike trails around Pentwyn traverse a landscape characterized by urban green spaces, river paths, and wooded hillsides. The routes often follow the Taff Trail, offering riverside cycling, and explore areas around landmarks like Castell Coch, which features forested sections. This region provides a mix of paved and unpaved paths, suitable for various mountain biking experiences. The terrain includes options for easy, moderate, and difficult routes.
Last updated: June 22, 2026
5.0
(2)
48
riders
24.7km
01:28
200m
200m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
4.5
(2)
9
riders
30.1km
02:33
600m
600m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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11
riders
32.1km
01:58
280m
280m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
4.3
(3)
12
riders
47.7km
03:05
580m
580m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4
riders
49.6km
04:03
910m
910m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
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Always a nice ride across this section. Great views, but can be mucky in the winter.
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Great place to capture some photos of the River Taff. Scenic all year round
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This father and son wrote the Welsh National Anthem in 1856. Evan wrote the lyrics and James composed the Melody.
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start of the new part of the taff trail
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The other side of the road from the main Ganol trails.
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The white noise from the crashing water makes this a perfect place to tune out of the world. Unique place!
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The diversion, as shown in the photos, around the new Taff's Well railway depot has now been removed.
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There are over 75 mountain bike trails around Pentwyn, offering a diverse range of experiences for mountain bikers. These routes are highly rated by the komoot community, with an average score of 4.4 stars.
The mountain bike trails around Pentwyn traverse a varied landscape, including urban green spaces, scenic river paths, and wooded hillsides. Many routes follow sections of the Taff Trail, providing a mix of paved and unpaved surfaces suitable for different mountain biking styles.
Yes, Pentwyn offers 17 easy mountain bike routes. A good option for beginners is the Blackweir Footbridge – View of Castell Coch loop from Cathays, which is 15.1 miles (24.3 km) long and offers pleasant views while following the Taff Trail.
While the majority of trails are moderate, there are 3 difficult mountain bike routes around Pentwyn for experienced riders. One challenging option is the View of Castell Coch – Penallta Park signpost loop from Birchgrove, which covers 49.7 km with significant elevation gain.
Many routes offer views of landmarks like Castell Coch. You can also explore natural features and viewpoints. Consider visiting Mynydd Machen Summit or Garth Summit for panoramic views. The Radyr Weir and Roath Park Lake are also accessible along some routes.
Yes, many of the mountain bike trails around Pentwyn are designed as loops. For example, the Blue Bridge, Radyr – View of Castell Coch loop from Rumney is a moderate 31.8-mile (51.2 km) circular path that explores urban fringes and natural areas.
The trails vary significantly in length and duration. For instance, an easy route like the Blackweir Footbridge – View of Castell Coch loop from Cathays is about 15.1 miles (24.3 km) and takes around 1 hour 28 minutes. Longer, moderate routes, such as the View of Castell Coch – Taff Trail Junction loop from Birchgrove, can be 29.6 miles (47.7 km) and take over 3 hours.
The mountain bike trails in Pentwyn are highly rated by the komoot community, with an average score of 4.4 stars from over 80 reviews. Riders often praise the variety of terrain, from river paths to wooded hillsides, and the accessibility of routes that offer views of local landmarks like Castell Coch.
Yes, some trails provide excellent views of the surrounding area. The Coed Tranch-yr-Hebog Quarry – View of Cardiff loop from Rhiwbina is a moderate 21.7 km route that offers scenic vistas, including views of Cardiff.
Many routes start from areas like Cathays, Rumney, or Birchgrove, often connecting to the Taff Trail or other local path networks. These locations provide convenient access to the varied terrain around Pentwyn.
Given the mix of paved and unpaved paths, mountain biking in Pentwyn is generally enjoyable throughout the year. However, for the most comfortable experience, spring and autumn offer milder temperatures and potentially drier trail conditions. Winter rides are possible, but some unpaved sections might be muddy.


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