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Routes
Road cycling routes
United Kingdom
Wales
South Wales

Merthyr Tydfil

The best road cycling routes around Merthyr Tydfil

4.3

(54)

4,667

riders

60

rides

Road cycling around Merthyr Tydfil offers diverse landscapes, from steep, scenic valleys carved by the River Taff to wild moorlands and serene reservoirs. The region is situated at the gateway to the Bannau Brycheiniog (Brecon Beacons) National Park, providing access to varied terrain including conifer and deciduous woodlands, open heathland, and agricultural fields. Cyclists can expect routes with significant elevation changes, characteristic of the South Wales valleys.

Best road cycling routes around Merthyr Tydfil

  • The most popular road cycling route…

Last updated: April 25, 2026

3.0

(2)

148

riders

#1.

Penrhos Cutting Cycle Path – Castle Coch Descent loop from Merthyr Vale

52.6km

02:26

500m

500m

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. Mostly well-paved surfaces and easy to ride.

Moderate

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

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 Merthyr Tydfil

Lôn Las Cymru through Wales (NCR 8) – Ride from Holyhead to Cardiff

Wales's premium MTB destination — Bike Park Wales

Spectacular rides in Wales and south-west England – e-bike trials by Halfords

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Lôn Las Cymru through Wales (NCR 8) – Ride from Holyhead to Cardiff

Cycling Collection by

Amy

Tips from the Community

Jo53ph
December 12, 2025, Bedlinog Hill Climb

A challenging but rewarding climb, with pub at the bottom and a shop a quater of the way up, you steep out of the village, past the shop then it levels off before the climb again after half way it gets less steep but contunues to climb onto the moorland. Roadies follow the road, MTBs and gravel coninue up to the trig point for view of Cardiff and Sommeset beyong to the South and Bannau Brycheiniog to the North.

0

0

Jo
October 8, 2025, Pontsticill Reservoir

lovely . ( no phone signal ) bring yourself a drink and enjoy the view

1

0

There’s a lay-by for vehicles just at the start. It’s far enough away from Pen Y Fan to not get busy

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0

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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Good ride

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When coming off the mountain to go down towards the car park it’s quite a steep scramble and can be slippery

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0

cute little transfer between the valley sides, watch out for the absolute walls on either side though.

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0

Handy place to stop for refreshments in either direction

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Frequently Asked Questions

How many road cycling routes are available around Merthyr Tydfil?

There are over 60 road cycling routes around Merthyr Tydfil documented on komoot, offering a wide range of options for different skill levels and preferences.

Are there road cycling routes suitable for beginners in Merthyr Tydfil?

Yes, Merthyr Tydfil offers several road cycling routes suitable for beginners. You can find 6 easy routes that provide a gentler introduction to the area's beautiful landscapes.

What kind of challenges can I expect on road cycling routes in Merthyr Tydfil?

Road cycling in Merthyr Tydfil is characterized by its diverse terrain, including steep valleys and the foothills of the Brecon Beacons. Many routes involve significant elevation gains, with 20 routes classified as difficult. For example, the Beacons Reservoir – Penderyn Moor Climb loop from Merthyr Tydfil features over 1,200 meters of ascent, offering a substantial challenge.

What makes road cycling in Merthyr Tydfil unique?

Merthyr Tydfil's unique appeal for road cyclists lies in its position at the gateway to the Bannau Brycheiniog (Brecon Beacons) National Park, offering a dramatic mix of industrial heritage and stunning natural beauty. You'll encounter wild moorlands, serene reservoirs like Pontsticill and Llwyn-on, and scenic valleys carved by the River Taff, often on routes that utilize former railway lines and canal towpaths.

What do other cyclists say about road cycling in Merthyr Tydfil?

The road cycling routes in Merthyr Tydfil are highly rated by the komoot community, with an average score of 4.2 stars from over 13 reviews. Cyclists often praise the varied scenery, the challenging climbs, and the opportunity to explore both natural beauty and historical structures like the Pontsarn Viaduct.

What scenic attractions can I see along road cycling routes in Merthyr Tydfil?

Many routes offer stunning views and pass by notable attractions. You can cycle past the tranquil Pontsticill Reservoir and Llwyn-on Reservoir Dam, or cross the historic Pontsarn Viaduct. The Taff Trail sections, such as the Taff Trail Tramroad Section, also provide picturesque scenery.

Are there any road cycling routes that pass by waterfalls?

Yes, some routes in the area offer the chance to see waterfalls. For instance, the Waterfall Along Cycle Route – Smooth Climb to Pentyrch loop from Pentre-bach explicitly mentions a waterfall, providing a beautiful natural highlight during your ride.

Are there circular road cycling routes available in Merthyr Tydfil?

Yes, many of the road cycling routes around Merthyr Tydfil are designed as loops, allowing you to start and finish in the same location. Examples include the popular Penrhos Cutting Cycle Path – Castle Coch Descent loop from Merthyr Vale and the Pontsarn Viaduct – Pontsticill Reservoir loop from Merthyr Tydfil.

Can I find road cycling routes with cafes or places to stop for refreshments?

Yes, some routes are known to pass by or near cafes. The The Crazy Croissant Cafe – Llancaiach Fawr Manor loop from Merthyr Tydfil is an example of a route that incorporates a cafe stop, allowing for a pleasant break during your ride.

What is the best season for road cycling in Merthyr Tydfil?

While road cycling is possible year-round, the spring, summer, and early autumn months generally offer the most pleasant conditions with milder weather and longer daylight hours. These seasons are ideal for enjoying the full beauty of the Brecon Beacons and the Taff Valley. Always check local weather forecasts before heading out, especially when cycling in higher elevations.

Are there family-friendly road cycling options in Merthyr Tydfil?

For families, sections of the Taff Trail (National Cycle Network Route 8) are particularly suitable as they are largely traffic-free and often follow former railway lines or canal towpaths, providing a safer and more relaxed environment. While specific family-designated road routes aren't listed, easier, flatter sections of these trails can be adapted for family outings.

Where can I find information about parking for road cycling routes in Merthyr Tydfil?

Parking availability varies by route start point. Many routes begin in or near Merthyr Tydfil town center or at popular trailheads like those for the Taff Trail, where public parking is often available. For specific parking details, it's best to check the individual route descriptions on komoot or consult local council websites for car park locations and fees.

Are there any routes that explore the historical aspects of Merthyr Tydfil?

Merthyr Tydfil has a rich industrial heritage, and several cycling routes incorporate historical elements. The Trevithick Trail (National Cycle Network Route 477) is a great example, combining natural beauty with historical significance. Additionally, routes passing by structures like the Pontsarn Viaduct offer a glimpse into the region's past.

Most popular routes around Merthyr Tydfil

Cycling around Merthyr Tydfil

Most popular attractions around Merthyr Tydfil

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