3.9
(7)
53
riders
14
rides
Gravel biking around Tongwynlais offers diverse challenges across varied terrain, including forestry roads, rocky trails, and fire roads. The region, situated north of Cardiff, is characterized by its extensive woodlands like Forest Fawr, the River Taff, and surrounding hills such as Caerphilly Mountain and Craig yr Allt. These features provide a mix of challenging climbs and scenic descents, catering to different skill levels. The Taff Trail also passes through, offering accessible, largely traffic-free sections.
Last updated: May 5, 2026
4.0
(1)
21
riders
46.8km
03:46
540m
540m
The Caerphilly mountain loop from Cardiff offers a challenging gravel biking experience, covering 29.1 miles (46.8 km) with a significant 1775 feet (541 metres) of elevation gain. This difficult route…
3.0
(1)
8
riders
96.9km
08:33
1,820m
1,820m
Embark on a challenging gravel biking adventure with the Cwmcarn loop from Cardiff, a route designed for experienced riders. This difficult 60.2-mile (96.9 km) journey will test your endurance, featuring…

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4.7
(3)
8
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
5
riders
63.6km
04:21
970m
970m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3.0
(1)
7
riders
32.1km
02:11
500m
500m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Great place to capture some photos of the River Taff. Scenic all year round
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Nice easy flat ride. Can be busy with walkers and other cyclists, particularly on weekends. Early mornings are the best, with so much birdsong and wildlife. Take a moment to enjoy the view of the Weir, which usually has a row of gulls fishing on it.
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Gonna give this loop a go tomorrow- thanks for sharing
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This Weir is a wonderful home for birds as they wash their feet, and gossip about others' nests
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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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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
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Some gates are pain to get the bike through loud easy turn handapbares lift front wheel
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Tongwynlais offers a wide selection of gravel biking routes, with over 20 trails available. These routes cater to various skill levels, ranging from moderate to difficult, ensuring there's something for every gravel biker.
The gravel bike trails around Tongwynlais feature diverse terrain, including forestry roads, rocky trails, fire roads, and some singletrack sections. You'll encounter a mix of challenging climbs and scenic descents, often through woodlands like Forest Fawr and across hills such as Caerphilly Mountain.
While many routes are moderate to difficult, the Taff Trail, which passes through Tongwynlais, offers largely traffic-free sections that are more accessible for beginners or those looking for a less strenuous ride. It provides a quieter route north out of Cardiff.
Experienced riders looking for a challenge can explore routes like the Cwmcarn loop from Cardiff, a difficult 96.9 km path with significant elevation gain that explores Cwmcarn Forest. Another option is the Hengoed Viaduct – Hengoed Viaduct loop from Ninian Park, a difficult 63.5 km route with nearly 1,000m of elevation gain.
Yes, many of the gravel bike routes around Tongwynlais are designed as loops, allowing you to start and finish in the same location. For example, the Blackweir Bridge and Weir – Coed Tranch-yr-Hebog Quarry loop from Ninian Park is a moderate 34 km circular trail through woodlands.
You'll encounter a wealth of natural and historical features. Many routes pass through Forest Fawr woodlands, along the River Taff, and offer views of Caerphilly Mountain and Craig yr Allt. Historic sites like Castell Coch, a 'fairytale castle', are often visible or accessible from the trails. You might also pass by Radyr Weir or the Glamorganshire Canal Nature Reserve.
Tongwynlais is located just north of Cardiff, making it accessible. The Taff Trail, a major cycling route, passes directly through Tongwynlais, which can be reached from Cardiff. For specific public transport options, it's advisable to check local bus or train services connecting to Tongwynlais or nearby Taffs Well.
Yes, there are typically parking options available in and around Tongwynlais, especially near popular trailheads or village centers. Many routes start from locations like Cardiff or Ninian Park, which have parking facilities. Always check local signage for parking restrictions and fees.
While some routes are challenging, the Taff Trail sections near Tongwynlais are largely traffic-free and flatter, making them suitable for families, especially on quieter weekdays. However, on sunny weekends, these sections can be busy. For more challenging family rides, consider routes with less elevation and technical terrain.
The gravel biking routes in Tongwynlais are highly rated by the komoot community, with an average score of 4.1 stars from over 5 reviews. Reviewers often praise the varied terrain, the scenic landscapes, and the mix of challenging climbs and rewarding descents that define the area's gravel biking experience.
Gravel biking in Tongwynlais can be enjoyed year-round, but spring and autumn often offer the most pleasant conditions with milder temperatures and beautiful scenery. Summer can be great, but trails might be busier, especially the Taff Trail. Winter rides are possible, but be prepared for potentially muddy conditions and shorter daylight hours.
Tongwynlais village itself offers local amenities, including pubs and cafes where you can refuel after your ride. Being close to Cardiff, you'll find a wide range of accommodation, dining, and bike shop options within a short distance. Many routes also pass through or near other villages with facilities.
Absolutely. The hills surrounding Tongwynlais, such as Caerphilly Mountain and Craig yr Allt, offer magnificent panoramic views across Cardiff and Caerphilly. The woodlands of Forest Fawr also provide picturesque settings, and you might catch glimpses of the 'fairytale castle' Castell Coch nestled in the trees.


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