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Road cycling routes
United Kingdom
Wales
South Wales

Cardiff

The best road cycling routes around Cardiff

4.3

(194)

11,110

riders

292

rides

Road cycling around Cardiff offers a diverse landscape, from flat coastal paths along Cardiff Bay to more challenging routes through the Vale of Glamorgan and into the surrounding hills. The region is characterized by its river valleys, such as the Taff, and proximity to the Bristol Channel, providing varied terrain for road cyclists. Elevations range from gentle gradients near the city to significant climbs in areas like Bwlch and Mynydd Meio. This mix of urban, coastal, and rural environments provides…

Last updated: April 25, 2026

3.4

(11)

383

riders

#1.

Roath Park to Duffryn along the flats

43.2km

01:45

90m

90m

Begin your easy road cycling adventure from Roath Park, where you'll pass the picturesque 30-acre man-made lake and ornamental gardens, including the iconic Scott Memorial Lighthouse. This 26.8-mile (43.2 km)…

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Easy

4.3

(12)

75

riders

Embark on a scenic road cycling journey from Cardiff Bay to Barry Island, looping back via Penarth. This easy 20.3-mile (32.7 km) route offers a pleasant ride with 857 feet…

Easy
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5.0

(1)

51

riders

Embark on a challenging road cycling loop from Cardiff Castle, covering 57.9 miles (93.2 km) with a significant elevation gain of 3593 feet (1095 metres). This difficult route offers a…

Hard

4.7

(3)

32

riders

Embark on the Barry and Vale of Glamorgan loop from Cardiff, a moderate racebike route spanning 50.2 miles (80.8 km) with an elevation gain of 2452 feet (747 metres). This…

Moderate

5.0

(3)

29

riders

Hard road ride. Very good fitness required. Mostly well-paved surfaces and easy to ride.

Hard

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

Moderate

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate
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Popular around Cardiff

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Tips from the Community

Mark Jacobs
July 9, 2025, Porthkerry Viaduct

Magnificent structure and a great photo opportunity and one of many within the park.

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Llandaff Cathedral is magnificent building nestled within the small community. There are also other historical buildings close by and it is worth a visit. Not from the city centre and the Taff Trail. Beautiful scenes in the autumn too as the leaves change colour.

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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.

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This imposing building stands out from the relatively flat surroundings and harks to a by-gone era. Impressive stature!

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Climbing the Bwlch Mountain southwards from Treorchy (A4061) is a classic South Wales Valleys experience, offering a long, steady ascent. The road winds up from the Rhondda valley onto open moorland where the main challenge often becomes the significant exposure to wind. Enjoy the sweeping panoramic views from the top of this popular and rewarding climb.

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Cathedral Close winds its way through the grounds of Llandaff Cathedral, where you can take in the in the striking 12th century architecture. You can easily stop and explore the grounds, and be sure to visit the Old Bishop’s Palace, a medieval fortress located at the junction of Cathedral Close and High Street.

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eddie00001
February 3, 2025, Baffle Haus

Great cafe on the A48, with plenty of space to lock up your bike as you head in for coffee, etc.

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Grace Mulligan
November 23, 2024, Radyr Weir

The weir spans the River Taff, which flows directly through the heart of South Wales. It's a nice place to stop and refuel with picnic benches and a peaceful atmosphere.

1

0

Frequently Asked Questions

How many road cycling routes are available around Cardiff?

Cardiff offers a wide variety of road cycling routes, with over 300 options available. These routes cater to different skill levels, from easy coastal paths to challenging climbs in the surrounding hills.

Are there road cycling routes suitable for beginners in Cardiff?

Yes, Cardiff has plenty of options for beginner road cyclists, with over 100 easy routes. A great starting point is the Roath Park to Duffryn along the flats route, which offers a relatively flat ride ideal for steady pacing.

What are some challenging road cycling routes near Cardiff for experienced riders?

For experienced road cyclists seeking a challenge, routes venturing into the surrounding hills offer significant climbs. The From Cardiff Castle to Bwlch loop is a demanding 57.9-mile trail that includes the Bwlch mountain pass. Another difficult option is the Mynydd Meio loop from Caerphilly, known for its substantial elevation gain.

Are there any scenic coastal road cycling routes in Cardiff?

Absolutely. The region's proximity to the Bristol Channel means there are beautiful coastal routes. The Cardiff Bay to Barry Island loop via Penarth is an easy 20.3-mile path that provides stunning coastal views and passes through urban and seaside areas.

What kind of landmarks or attractions can I see along road cycling routes in Cardiff?

Cardiff's routes often pass by historical sites and natural beauty. You might cycle past Cardiff Castle, the iconic Pierhead Building in Cardiff Bay, or the impressive Cardiff Bay Barrage. Further afield, you could encounter the picturesque Castell Coch or the Garth Summit viewpoint.

Are there circular road cycling routes available around Cardiff?

Many of the road cycling routes around Cardiff are designed as loops, allowing you to start and finish at the same point. Examples include the Cardiff Bay to Barry Island loop and the challenging From Cardiff Castle to Bwlch loop.

What do other road cyclists enjoy most about cycling in Cardiff?

The road cycling routes in Cardiff are highly rated by the komoot community, with an average score of 4.3 stars from over 200 reviews. Cyclists often praise the diverse terrain, from flat river valleys to challenging climbs, and the blend of urban, coastal, and rural environments.

Are there road cycling routes that pass through the Vale of Glamorgan?

Yes, several routes extend into the scenic Vale of Glamorgan, offering rolling hills and picturesque countryside. The Barry and Vale of Glamorgan loop from Cardiff is a moderate 50-mile route that showcases this beautiful area.

Can I find road cycling routes that follow river valleys in Cardiff?

Cardiff is characterized by its river valleys, such as the Taff. You can find routes that utilize these paths, offering generally flatter terrain and pleasant scenery. An example is the River Taff and Footbridge – Heol Y Cyw Common loop from Ninian Park.

What is the best time of year for road cycling in Cardiff?

While road cycling is possible year-round, the spring and summer months (April to September) generally offer the most pleasant weather for exploring Cardiff's routes. During these seasons, you can expect milder temperatures and longer daylight hours, ideal for longer rides and enjoying the coastal and rural landscapes.

Are there road cycling routes around Cardiff that are good for families?

For families, flatter and less trafficked routes are ideal. The paths along Cardiff Bay and the Taff Trail offer safe and enjoyable options. While specific 'family-friendly' routes are not explicitly categorized, easy-grade routes like the Roath Park to Duffryn along the flats are generally suitable for a family outing.

Are there road cycling routes that include climbs like Gwern-Y-Steeple?

Yes, for those looking to test their climbing abilities, routes around Cardiff incorporate notable ascents. The Llandaff Cathedral – Gwern-Y-Steeple Climb loop from Birchgrove is a moderate route that features the Gwern-Y-Steeple climb, offering a good workout and rewarding views.

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Check out more Road cycling routes throughout Cardiff below and find the perfect route in your destination.

Roath Park LakeLlanishen Reservoir

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