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Gravel rides
United Kingdom
Wales
South Wales

Merthyr Tydfil

The best gravel rides around Merthyr Tydfil

4.4

(17)

152

riders

19

rides

Gravel biking around Merthyr Tydfil features routes through the South Wales Valleys, characterized by a landscape of reservoirs, forests, and rolling hills. The region offers varied terrain, including former railway lines, forest tracks, and quiet country lanes, providing diverse surfaces for gravel cyclists. Elevation changes are common, with routes often incorporating climbs and descents through wooded valleys and open moorland.

Best gravel bike trails around Merthyr Tydfil

  • The most popular gravel bike trail is Talybont Reservoir – Pontsticill Reservoir loop…

Last updated: May 5, 2026

5.0

(1)

42

riders

#1.

Talybont Reservoir – Pontsticill Reservoir loop from Merthyr Tydfil

52.4km

03:18

850m

850m

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Hard

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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Popular around Merthyr Tydfil

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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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Cracking Cafe open, Sat Sun and Wed year round.

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Really...best view for miles!!!

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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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One of my favourite places in the Beacons for cycling or hammock camping.

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To access this area is a very steep incline and decline into this valley section 7- 9% gradient in either direction. The Taf Fechan LNR comprises about 2.5 km of river with steep valley sides of Carboniferous limestone. The river has eroded the limestone into a narrow gorge in the centre of the site. A mosaic of deciduous woodland on the slopes with a canopy of Beech, Birch and Ash, gives way to Alder and Grey Willow closer to the river.

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is the largest stillwater reservoir in the central Brecon Beacons at 318 acres

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Good ride

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Frequently Asked Questions

How many gravel bike trails are available around Merthyr Tydfil?

There are over 20 gravel bike trails documented around Merthyr Tydfil on komoot, offering a variety of experiences through the South Wales Valleys. These routes range from moderate to difficult in intensity.

What is the typical difficulty level for gravel biking in Merthyr Tydfil?

Gravel biking around Merthyr Tydfil is primarily suited for moderate to difficult ability levels. Out of 22 available routes, 6 are rated as moderate and 16 are considered difficult, often featuring significant elevation changes and varied terrain.

Are there any moderate gravel bike routes suitable for less experienced riders?

Yes, there are several moderate routes. For example, the Pontsticill Reservoir – Pontsticill Reservoir loop from Cefn-coed-y-cymmer is a 19.3-mile (31.0 km) trail that offers a scenic ride around the reservoir without the extreme challenges of some of the more difficult routes. Another good option is the Talybont Reservoir – View of Talybont Reservoir loop from Aber.

What kind of terrain can I expect on gravel bike trails near Merthyr Tydfil?

The terrain around Merthyr Tydfil is diverse, featuring former railway lines, forest tracks, and quiet country lanes. You'll encounter a mix of surfaces, from smooth gravel paths to more rugged sections, often with climbs and descents through wooded valleys and open moorland.

Are there any circular gravel bike routes in the Merthyr Tydfil area?

Many of the gravel bike routes in Merthyr Tydfil are circular, allowing you to start and finish at the same point. A popular example is the Talybont Reservoir – Pontsticill Reservoir loop from Merthyr Tydfil, which connects two major reservoirs.

What are some notable viewpoints or attractions along the gravel bike trails?

The routes often pass by significant natural and man-made features. You can expect views of reservoirs like Pontsticill Reservoir and Llwyn-on Reservoir Dam. Some trails also incorporate sections of the Taff Trail Tramroad Section and pass by the historic Pontsarn Viaduct.

Are there any routes that feature waterfalls or wild swimming spots?

While specific wild swimming spots are not explicitly marked on all routes, the region's natural beauty includes features like Pontsarn Blue Pool, which is a natural pool. One route, Waterfall – Nant Glydach Reservoir and Dam loop from Llanwonno, explicitly mentions a waterfall in its name, suggesting scenic water features along the way.

What is the best time of year for gravel biking in Merthyr Tydfil?

The South Wales Valleys offer gravel biking opportunities year-round, but spring and autumn generally provide the most pleasant conditions with milder temperatures and vibrant scenery. Summer can be excellent, though some trails might be busier. Winter rides are possible but require appropriate gear for potentially wet and colder conditions.

What do other gravel bikers enjoy the most about gravel biking in Merthyr Tydfil?

The area is highly rated by the komoot community, with an average score of 4.4 stars from over 17 reviews. Reviewers often praise the diverse terrain, the scenic reservoir-side paths, and the challenging yet rewarding valley climbs that define the region's gravel biking experience.

Are there any long-distance gravel routes for experienced riders?

Yes, for experienced riders seeking a challenge, the Pontsticill Reservoir – Monmouthshire and Brecon Canal loop from Merthyr Tydfil is a difficult 46.2-mile (74.3 km) route with over 1000 meters of elevation gain, offering an extensive exploration of the area.

Where can I find parking for gravel biking near the trails?

Many trailheads, especially those around the major reservoirs like Pontsticill and Talybont, offer designated parking areas. It's advisable to check specific route details on komoot for recommended starting points and parking information, as options can vary.

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