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Road cycling routes
United Kingdom
Wales
South Wales

Llanishen

The best road cycling routes around Llanishen

4.2

(233)

13,347

riders

29

rides

Road cycling routes around Llanishen, Cardiff, offer a blend of urban green spaces and natural landscapes, providing diverse experiences for cyclists. The area features varied terrain, including woodlands, reservoirs, and hills, alongside connections to historical landmarks. Cyclists can explore routes that combine natural beauty with access to Cardiff's growing cycle network.

Best road cycling routes around Llanishen

  • The most popular road cycling route is Llandaff Cathedral – Gwern-Y-Steeple Climb loop from Birchgrove, a 25.8 miles (41.5 km) trail that…

Last updated: May 16, 2026

4.5

(13)

320

riders

#1.

Llandaff Cathedral – Gwern-Y-Steeple Climb loop from Birchgrove

41.5km

01:57

390m

390m

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

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Moderate

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

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

Hard

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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Tips from the Community

Mark Jacobs
July 6, 2025, View Over Celtic Manor

Nice quiet road with some great views.

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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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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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This Weir is a wonderful home for birds as they wash their feet, and gossip about others' nests

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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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an interesting object on the way to the lighthouse

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Check running /operating times but a MUST to do.

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Peter Turner
February 15, 2025, Llandaff Weir

This weir attracts a multitude of birds in particular in the summer - soaking their feet and enjoying some chat

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Frequently Asked Questions

How many road cycling routes are available around Llanishen?

Llanishen offers a diverse selection of road cycling routes, with over 30 routes available for exploration. These routes cater to various skill levels, ranging from easy rides to more challenging excursions.

What kind of terrain can I expect on road cycling routes near Llanishen?

The road cycling routes around Llanishen feature a compelling mix of natural beauty and varied terrain. You'll encounter urban green spaces, natural landscapes, and woodlands. Some routes offer glorious views from vantage points like Mynydd Machen Summit and Craig yr Allt, which means you can expect some climbs and descents alongside flatter sections.

Are there any routes that offer scenic viewpoints?

Yes, many routes around Llanishen provide excellent scenic viewpoints. For instance, the region offers glorious views over Newport, Cardiff, and the Severn Estuary from various vantage points. Routes like the View Over Celtic Manor – Usk Bridge loop from Llanishen specifically highlight scenic vistas.

Can I find routes that pass by historical landmarks or castles?

Absolutely. Llanishen's location allows for routes that combine natural beauty with historical attractions. You can find routes that lead to iconic landmarks such as Cardiff Castle and Caerphilly Castle. The area also connects to sites like Castell Coch.

Are there any family-friendly road cycling routes in Llanishen?

While many road cycling routes involve varied terrain and some climbs, Llanishen benefits from Cardiff's growing cycle network, which includes many off-road shared pedestrian and cycle routes. These often provide easier, traffic-free options suitable for families. The area also offers routes with mostly paved surfaces, such as sections of the popular Cardiff Castle – Cardiff Bay Barrage Loop, which are generally more accessible.

Are there options for longer, more challenging road cycling routes?

Yes, for experienced cyclists seeking a challenge, Llanishen offers several longer and more demanding routes. An example is the Newport Transporter Bridge – Usk Bridge loop from Llanishen, which covers over 112 km and features significant elevation gain, often taking around 5 hours to complete.

Are there any easy or beginner-friendly road cycling routes?

Yes, Llanishen provides options for beginners or those preferring a more relaxed ride. Routes like the Ty Coch Campsite loop from Llanishen are rated as easy, featuring minimal elevation gain over a distance of around 37 km. Many routes also incorporate sections of Cardiff's cycle network, which include easier, paved paths.

Are there circular road cycling routes available?

Many of the road cycling routes around Llanishen are designed as loops, allowing you to start and finish at the same point. Examples include the Llandaff Cathedral – Gwern-Y-Steeple Climb loop from Birchgrove and the View Over Celtic Manor – Usk Bridge loop from Llanishen, providing convenient circular journeys.

What are the options for parking when cycling in Llanishen?

Llanishen and the surrounding areas offer various parking options. For routes near the Lisvane and Llanishen Reservoirs, ample bike parking is available. Additionally, many starting points for routes within Cardiff's wider network will have public parking facilities, though it's always advisable to check specific locations beforehand.

How can I reach the cycling routes using public transport?

Llanishen is a district of Cardiff, which has a well-developed public transport network. You can reach Llanishen by bus or train, and many routes are accessible from central Cardiff or other nearby areas. Cardiff's growing cycle network also integrates with public transport hubs, making it convenient to combine cycling with bus or train travel.

Are there places to stop for refreshments like cafes or pubs along the routes?

Given Llanishen's blend of urban and natural environments, many routes will pass through or near villages and towns where you can find cafes, pubs, and other amenities. The area's connection to Cardiff's city center and other populated areas ensures plenty of opportunities for refreshment stops during your ride.

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

Road cycling in Llanishen can be enjoyed throughout much of the year. Spring and autumn generally offer pleasant temperatures and beautiful scenery, with vibrant foliage or blooming flowers. Summer provides longer daylight hours, while milder winter days can still be suitable for cycling, though conditions may be wetter. Always check local weather forecasts before heading out.

Can I cycle directly around Lisvane and Llanishen Reservoirs?

While the recently reopened Lisvane and Llanishen Reservoirs are a beautiful focal point, cycling is generally not permitted on the narrow footpaths directly around the reservoirs. This is to protect the environment, wildlife, and ensure safety for all visitors. However, ample bike parking is available, and the reservoirs serve as a stunning backdrop and destination for routes in the surrounding area.

What do other cyclists say about road cycling in Llanishen?

The road cycling routes around Llanishen are highly regarded by the komoot community, with an impressive average rating of 3.97 stars from over 30 reviews. Over 1600 road cyclists have used komoot to explore the varied terrain, often praising the blend of urban green spaces, natural landscapes, and connections to historical sites.

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