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Road cycling routes
United Kingdom
Wales
South Wales

Bedwas Trethomas & Machen

The best road cycling routes around Bedwas Trethomas & Machen

4.3

(201)

11,655

riders

378

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Road cycling around Bedwas Trethomas & Machen offers diverse terrain within the picturesque South Wales landscape. The region features challenging climbs, such as those around Caerphilly Mountain and Mynydd y Grug, alongside more moderate routes through rolling Welsh countryside and woodlands. Cyclists can expect mostly well-paved surfaces, with significant elevation gains on some paths, providing varied experiences for different fitness levels. The area is characterized by its dramatic hills and historical landmarks, including Caerphilly Castle.

Best road cycling routes around…

Last updated: April 30, 2026

24

riders

#1.

Caerphilly Mountain climb from both North and South loop

37.9km

02:01

690m

690m

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

Moderate

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
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Tips from the Community

Philip
September 26, 2025, Monmouthshire Canal Towpath

watch out for dog owners .Dogs are fine ..

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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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Cwmbran roof Pontypool basin

Translated by Google

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A lovely walk down the path I counted 18 locks .

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one of the most interesting bike paths with many beautiful places

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Philip
March 13, 2025, Pontymoile Basin

Beautiful place to be.

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An epic road bike climb that not very difficult & has stunning views as you ascend

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The Monmouthshire and Brecon Canal links up a small network of canals, running 35 navigable miles (56km) through the Bannau Brycheiniog (Brecon Beacons) National Park for the majority of its length.

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Frequently Asked Questions

What kind of road cycling experience can I expect in Bedwas Trethomas & Machen?

Road cycling in Bedwas Trethomas & Machen offers a diverse experience, from challenging climbs with significant elevation gains to more moderate rides through rolling Welsh countryside and woodlands. You'll find mostly well-paved surfaces, with some segments potentially unpaved. The area is known for its dramatic hills and historical landmarks, providing varied routes for different fitness levels.

How many road cycling routes are available in the Bedwas Trethomas & Machen area?

There are over 380 road cycling routes available around Bedwas Trethomas & Machen, catering to various skill levels. This includes approximately 95 easy routes, over 215 moderate routes, and around 78 difficult routes for more experienced cyclists.

Are there challenging climbs for experienced road cyclists?

Yes, the region is well-known for its demanding climbs. Notable ascents include the Caerphilly Mountain loop, which presents a moderate 23.5-mile challenge with steep ascents. Other significant climbs in the broader Caerphilly area include Rhyswg Fawr from Abercarn and Mynydd y Grug from Machen, with some routes requiring very good fitness due to climbs exceeding 3,000 ft.

What are some of the most scenic road cycling routes in the area?

Many routes offer stunning views. The Caerphilly Mountain climb from both North and South loop provides panoramic views of Caerphilly Castle. The National Cycle Network Route 4 (Celtic Trail) also offers well-signposted routes with stunning views of Caerphilly Castle and its moat. For a nature-rich option, the paved shared-use trail alongside the River Rhymney is ideal.

What notable landmarks or natural features can I see while cycling?

You can encounter several significant landmarks and natural features. Twmbarlwm Hill, with its Iron Age hillfort, offers expansive views of the Severn Estuary. The Mynydd Machen Summit provides glorious vistas over Newport, Cardiff, and distant islands. Caerphilly Castle, the largest castle in Wales, is a striking historical backdrop visible from many routes. The River Rhymney and its surrounding woodlands also offer a tranquil, natural environment.

Are there any long-distance road cycling routes for extended rides?

Yes, for those seeking longer rides, the Caerphilly Castle – Beacons Reservoir loop from Llanbradach is a challenging 66.7-mile (107.4 km) path that traverses varied terrain and includes substantial climbs. Another option is the Rhigos Climb Viewpoint – Caerphilly Castle loop from Energlyn & Churchill Park, which covers over 100 km.

What do other road cyclists enjoy most about cycling in Bedwas Trethomas & Machen?

The area is highly rated by the komoot community, with an average score of 4.3 stars from over 195 reviews. Cyclists often praise the challenging yet rewarding routes, the dramatic hills, the scenic River Rhymney, and the historical backdrop of Caerphilly Castle. The variety of routes catering to different ability levels is also a frequently mentioned positive aspect.

Are there family-friendly road cycling options in the area?

While many routes feature significant climbs, the paved shared-use trail alongside the River Rhymney offers a delightful, nature-rich option for avoiding busier roads, which can be suitable for families. Additionally, the National Cycle Network Route 4 provides well-signposted sections that are generally safer for family rides.

Can I find circular road cycling routes around Bedwas Trethomas & Machen?

Yes, circular rides are popular in the region. For example, the Caerphilly Castle – Fourteen Locks Pond loop from Caerphilly is a 29.0-mile (46.7 km) circular trail. Other popular choices include circular rides exploring areas like Bedwas, Machen, and Rudry, offering a complete loop back to your starting point.

What is the best time of year for road cycling in Bedwas Trethomas & Machen?

The region's rolling hills and woodlands are beautiful throughout much of the year. Spring and autumn generally offer pleasant temperatures and vibrant scenery. While specific conditions vary, the well-paved surfaces make cycling feasible in most seasons, though challenging climbs might be more enjoyable in milder weather.

Are there routes that pass by lakes or reservoirs?

Yes, some routes can take you near beautiful water features. For instance, the Caerphilly Castle – Beacons Reservoir loop from Llanbradach includes scenic stretches towards Beacons Reservoir. Other nearby highlights include Roath Park Lake and Cwmbran Boating Lake, which can be incorporated into longer rides.

Is there public transport access to the road cycling routes?

The National Cycle Network Route 4 (Celtic Trail) passes through Bedwas, Machen, and the outskirts of Newport, which often provides good access points via public transport. While specific details for each route vary, the integration with national cycle networks generally means better connectivity for cyclists using public transport.

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