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United Kingdom
Wales
South Wales

Pentwyn

The best MTB trails around Pentwyn

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.

Best mountain bike trails around Pentwyn

  • The most popular mountain bike trail is Blackweir…

Last updated: June 22, 2026

5.0

(2)

48

riders

#1.

Blackweir Bridge and Weir – View of Castell Coch loop from Cathays

24.7km

01:28

200m

200m

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

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Easy

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Moderate
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Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Easy

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

Hard
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Popular around Pentwyn

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Cycling around Pentwyn

Tips from the Community

Mark Jacobs
February 25, 2026, Taff Trail: Nantgarw to Pontypridd

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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Lee
February 1, 2025, Forest Trail

Good terrain, easy to ride and flowing.

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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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Frequently Asked Questions

How many mountain bike trails are available around Pentwyn?

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.

What kind of terrain can I expect on mountain bike trails near Pentwyn?

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.

Are there mountain bike trails suitable for beginners in Pentwyn?

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.

Are there challenging mountain bike trails for experienced riders?

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.

What are some notable landmarks or attractions I can see along the mountain bike trails?

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.

Are there any circular mountain bike routes in Pentwyn?

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.

What is the average length and duration of mountain bike trails in Pentwyn?

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.

What do other mountain bikers enjoy most about Pentwyn's trails?

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.

Are there any trails that offer good views of Cardiff?

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.

Where are common starting points or trailheads for mountain biking in Pentwyn?

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.

What is the best time of year for mountain biking in 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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