4.4
(35)
524
riders
78
rides
Mountain biking around Llanishen offers a diverse landscape characterized by accessible woodlands, reservoirs, and a network of trails. The area features a mix of grassland, ancient woodlands, and paths around the Lisvane and Llanishen Reservoirs. Terrain varies from moderate routes suitable for good fitness to more challenging paths demanding advanced riding skills. This region provides a compelling combination of natural features and dedicated facilities for mountain biking.
Last updated: May 25, 2026
4.5
(2)
10
riders
30.1km
02:33
600m
600m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
11
riders
32.1km
01:58
280m
280m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

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4.3
(3)
13
riders
47.7km
03:05
580m
580m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(1)
15
riders
19.3km
01:47
500m
500m
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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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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Two options available at the fork point.
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The Garth has a nice flat top with views across the valleys. Lots of sheep grazing too (March). Also a number of mounds provide some cover from the wind if a break is in order
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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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The Walnut Tree Viaduct spanned the valley between the ridges of the Garth and Castell Coch. The one remaining brick pillar is all that remains of this massive structure.
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There are over 80 mountain bike trails around Llanishen, offering a diverse range of options for riders. These include 18 easy routes, 63 moderate routes, and 3 more challenging trails.
The terrain around Llanishen is varied, featuring accessible woodlands, paths around the Lisvane and Llanishen Reservoirs, and former quarry paths. You'll encounter a mix of grassland, ancient woodlands, and local hills like Garth Summit. Some routes offer moderate rides suitable for good fitness, while others demand advanced riding skills and very good fitness due to steepness or technical sections.
Llanishen's trails can be enjoyed year-round, but spring and autumn often provide the most pleasant conditions with milder weather and vibrant scenery. During winter, some trails might be muddy or slippery, especially in wooded areas. Always check local weather conditions before heading out.
Yes, Llanishen offers a good selection of family-friendly mountain bike trails. There are 18 easy routes that are generally suitable for beginners or those looking for a more relaxed ride. These often feature less technical terrain and gentler gradients, making them ideal for families.
Many of the trails in the woodlands and around the reservoirs are dog-friendly, provided dogs are kept under control, especially near wildlife or livestock. Always check specific signage on individual trails or in nature reserves like the Lisvane and Llanishen Reservoirs area for any restrictions.
While mountain biking near Llanishen, you can explore significant natural features such as the Lisvane and Llanishen Reservoirs, which are surrounded by woodlands and offer scenic views. You might also pass through ancient woodlands like Gwern-y-Bendy Woods and Rhyd-y-Pennau Woods. Some routes, like the View of Castell Coch – Gwaelod Y Garth Inn loop from Llandaf, offer glimpses of historical sites.
Yes, several routes provide views of historical landmarks. For instance, the View of Castell Coch – Gwaelod Y Garth Inn loop from Llandaf offers scenic views of Castell Coch. Another route, the View of Castell Coch – Taff Trail Junction loop from Birchgrove, also features views of this iconic castle.
Parking is generally available at various trailheads and public car parks throughout Llanishen and its surrounding areas. For routes starting from specific villages or attractions, dedicated parking facilities are often present. For example, routes like the Coed Tranch-yr-Hebog Quarry – Coed Craig Ruperra loop from Whitchurch would typically have parking options in or near Whitchurch.
Yes, many of the mountain bike trails around Llanishen are designed as circular loops, allowing you to start and finish at the same point. Examples include the Coed Tranch-yr-Hebog Quarry – Coed Craig Ruperra loop from Whitchurch and the Garth Summit – Gwaelod Y Garth Inn loop from Tongwynlais.
Yes, the area offers amenities for mountain bikers. The 'Mountain View Bike Park' in the vicinity provides a cafe, and routes like the Garth Summit – Gwaelod Y Garth Inn loop from Tongwynlais often pass near establishments like the Gwaelod Y Garth Inn, where you can find refreshments.
The mountain bike trails around Llanishen are highly rated by the komoot community, with an average score of 4.3 stars from over 30 reviews. Riders often praise the diverse landscape, the mix of accessible woodlands and reservoir paths, and the variety of routes catering to different skill levels. The scenic views, especially towards landmarks like Castell Coch, are also frequently highlighted.
While the majority of trails are easy to moderate, Llanishen does offer some more challenging options. There are 3 difficult routes available for experienced riders seeking a greater challenge. These trails may feature steeper climbs, technical descents, and require a higher level of fitness and skill. An example of a more challenging route is the View of Castell Coch – Penallta Park signpost loop from Birchgrove, which has significant elevation gain.


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