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Routes
Road cycling routes
United Kingdom
Wales
South Wales

Merthyr Tydfil

The best traffic-free bike rides around Merthyr Tydfil

4.4

(56)

4,699

riders

10

rides

No traffic road cycling routes around Merthyr Tydfil traverse a landscape shaped by industrial heritage and natural beauty, serving as a gateway to the Brecon Beacons National Park. The region features an extensive network of trails, including sections of the Taff Trail, which repurpose former tramways and railways. Cyclists encounter varied terrain, from valley floors to hills, with notable features such as reservoirs and historic viaducts. The area's network provides mostly paved surfaces, catering to different fitness levels.

Best no…

Last updated: May 16, 2026

5.0

(2)

78

riders

#1.

Blaen-y-Glyn Climb – Talybont Reservoir West Shore loop from Merthyr Tydfil

51.1km

02:38

830m

830m

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

Easy road ride. Great for any fitness level. Mostly well-paved surfaces and easy to ride.

Easy

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

Moderate
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Traffic-free bike rides around Merthyr Tydfil

Traffic-free bike rides around Merthyr Tydfil

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Cycling Collection by

Amy

Tips from the Community

David Howells
April 22, 2026, Pentwyn Reservoir

Pentwyn Reservoir is the smaller sister to Pontsticill Reservoir, both being separated by a causeway going towards the old Dolygaer outdoor centre. It is a very popular spot with fishermen and outdoor enthusiasts alike. The reservoir is used daily for a mix of watersports such as paddle boarding, kayaking, canoeing and raft building. It is in a beautiful setting, and you have great views north towards Pen y Fan and nice walks nearby.

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Jo
October 8, 2025, Pontsticill Reservoir

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

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

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Handy place to stop for refreshments in either direction

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A visit is a must if you are nearby.

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you must stop to take in the views and structure 👌

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Frequently Asked Questions

How many traffic-free road cycling routes are available in Merthyr Tydfil?

Merthyr Tydfil offers a selection of traffic-free road cycling routes. This guide features 9 routes specifically designed for road bikes with minimal or no traffic, ranging from easy to moderate difficulty.

What are some of the most scenic traffic-free road cycling routes in Merthyr Tydfil?

For stunning views, consider the route around Pontsarn Viaduct – Pontsticill Reservoir loop from Merthyr Tydfil. This route takes you past the majestic Pontsarn Viaduct and offers picturesque vistas of the Pontsticill Reservoir, a tranquil spot within the Brecon Beacons National Park.

Are there any easy, traffic-free road cycling routes suitable for beginners or families?

Yes, there are easy, traffic-free options. The Penallta Park Bike Path – Penallta Park signpost loop from Treharris is an excellent choice for beginners or families, offering a gentle ride with minimal elevation gain. The Taff Trail also has substantial traffic-free sections suitable for a relaxed pace.

What landmarks or points of interest can I see along the traffic-free routes?

Many routes weave through areas rich in history and natural beauty. You can encounter the impressive Pontsarn Viaduct, the scenic Pontsticill Reservoir, and sections of the historic Taff Trail Tramroad Section, which showcases the region's industrial heritage. The Taff Trail itself passes the spectacular Grade II listed Cefn Coed Viaduct.

Are there any circular traffic-free road cycling routes?

Yes, several routes offer a circular experience. For example, the Pontsticill Reservoir – Pontsticill Lake Canoe Launch loop from Merthyr Tydfil provides a moderate circular ride around the reservoir, allowing you to start and finish in the same location.

What is the best time of year to enjoy traffic-free road cycling in Merthyr Tydfil?

Spring and autumn generally offer the most pleasant conditions for road cycling in Merthyr Tydfil, with milder temperatures and beautiful scenery. Summer is also popular, but routes can be busier. While some routes are accessible year-round, be mindful of weather changes, especially in winter, as conditions can be wet or icy.

Where can I park my car to access these traffic-free road cycling routes?

Parking is available at various points along the major trails. For routes like those around Pontsticill Reservoir, designated parking areas are often provided. For the Taff Trail, you can find parking in Merthyr Tydfil town centre or at various access points along its length. Always check local signage for specific parking regulations and fees.

Can I access these routes using public transport?

Merthyr Tydfil is well-connected by public transport. The Taff Trail, a key traffic-free route, is accessible from Merthyr Tydfil train station, allowing you to start your ride directly from public transport hubs. Local bus services also serve various points around the region, providing access to different trailheads.

What is the typical terrain and elevation like on these traffic-free road cycling routes?

The traffic-free road cycling routes in Merthyr Tydfil feature mostly paved surfaces, often repurposing former railway lines and towpaths, which tend to have gentler gradients. Elevations range from moderate climbs, such as the 827 meters on the Blaen-y-Glyn Climb – Talybont Reservoir West Shore loop from Merthyr Tydfil, to much flatter sections, making them suitable for various fitness levels.

Are there cafes or facilities along the traffic-free cycling routes?

Yes, many routes pass through or near towns and villages where you can find cafes, pubs, and other facilities. The Taff Trail, in particular, has amenities available at various points along its 14-mile section through Merthyr Tydfil. Near the reservoirs, you might find visitor centers or small kiosks, especially during peak seasons.

What do other road cyclists enjoy most about the traffic-free routes in Merthyr Tydfil?

The area is highly rated by the komoot community, with an average score of 4.2 stars. Reviewers often praise the peacefulness of the traffic-free sections, the stunning natural landscapes, and the historical points of interest along the way, particularly around the reservoirs and viaducts.

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