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Merthyr Cynog

The best gravel rides around Merthyr Cynog

4.7

(7)

98

riders

5

rides

Gravel biking around Merthyr Cynog offers diverse terrain within a landscape of rolling hills and open moorland, situated below Mynydd Epynt and near the Brecon Beacons National Park. The region features steeply sloping valley sides, high ridges, and expansive moorland with coarse grasses and streams. Panoramic vistas of the central Brecon Beacons, including Pen y Fan, and the distant Black Mountains are visible from various points. This environment provides varied surfaces for gravel cyclists.

Best gravel bike trails around Merthyr…

Last updated: May 17, 2026

5.0

(1)

28

riders

#1.

Elan Valley Reservoirs – Caban-Coch Dam and Reservoir loop from Builth Road

121km

07:48

1,930m

1,930m

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

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Hard

Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

Easy
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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

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Tips from the Community

The Bike Man
May 26, 2025, Gravel Trail Along Claerwen Reservoir

Really amazing flat out and techy gravel riding

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one of my favorite cycling places

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cycling paradise for everyone

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stunning views, very popular with walkers too

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ideal for cycling, road bike would do it although gravel/mtb would be more comfortable. very popular with walkers so be aware

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A wooden drawbridge carried the road over the canal and was replaced by a fixed bridge after navigation on the canal ceased in the 1930s. Before the canal reopened to boats in 1970, a steel drawbridge with an electric operating mechanism was installed. There are four other drawbridges along the canal to the west. They are for farmers to access fields and are less elaborate than the one at Talybont. Drawbridges saved the canal company the expense of building stone bridges over the canal at these locations.

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This structure is one of the largest canal aqueducts ever built in South Wales. Its four stone arches carry the Brecknock and Abergavenny Canal (later the Monmouthshire & Brecon Canal) across the Usk to enable boats to reach Brecon, on the north side of the river Brynich aqueduct was one of the last sections of the canal to be completed to take the canal into Brecon in 1801. The structure was designed by Thomas Dadford Junior and built by local contractors. The aqueduct is at right angles to the river, reducing its length to the minimum possible. This means that the canal, running parallel to the river, has to turn sharply on both approaches.

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This lock was the first on the Monmouthshire & Brecon Canal to be restored after the canal fell into dereliction. The lock was created when the canal was built c.1800. The section of canal which crosses the river Usk on the nearby Brynich aqueduct is lower than the final stretch of water into Brecon. The bridge over the canal here is joined to the lock walls. The road continues across the river Usk on a five-arch stone bridge constructed in the late 18th century.

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Frequently Asked Questions

What kind of terrain can I expect on gravel bike trails around Merthyr Cynog?

The Merthyr Cynog area offers a diverse gravel biking experience. You'll encounter rolling hills, expansive open moorland with coarse grasses and streams, steeply sloping valley sides, and high ridges. The region's rich red soil and varied landscapes, including some boggy areas on the moorland, provide a mix of surfaces from ancient Roman roads and remote drover's tracks to fire roads and dedicated cycle trails. Many routes are rocky and suitable for year-round riding.

Are there any easy gravel bike routes suitable for beginners or families?

Yes, there are options for all skill levels. For an easy and picturesque ride, consider the Brynich Aqueduct – Monmouthshire and Brecon Canal loop from Brecon. This 12.9-mile (20.8 km) path follows the scenic Monmouthshire and Brecon Canal, passing the historic Brynich Aqueduct, and has minimal elevation gain, making it ideal for families or those new to gravel biking.

What are some challenging gravel bike trails for experienced riders?

For experienced riders seeking a challenge, the area offers several difficult routes with significant elevation gain. The Elan Valley Reservoirs – Caban-Coch Dam and Reservoir loop from Builth Road is a demanding 75.3-mile (121.2 km) trail with over 1900 meters of ascent, exploring the extensive reservoir system. Another challenging option is the Claerddu River Crossing – Caban-Coch Dam and Reservoir loop from Cilmeri, covering 107.6 km with nearly 1800 meters of climbing.

What natural features or landmarks can I see along the gravel bike routes?

The routes around Merthyr Cynog offer stunning views and interesting landmarks. You can enjoy panoramic vistas of the central Brecon Beacons, including Pen y Fan, and the distant Black Mountains. Specific points of interest include the impressive Twyn y Gaer Summit and Iron Age Hillfort, which provides fine views and is a popular picnic spot. The Brynich Aqueduct on the Monmouthshire and Brecon Canal is another notable historical structure.

Are there any circular gravel bike routes in the area?

Yes, many of the gravel bike routes around Merthyr Cynog are designed as loops, allowing you to start and finish in the same location. Examples include the Brynich Aqueduct – Monmouthshire and Brecon Canal loop from Brecon and the Talybont Reservoir – Monmouthshire and Brecon Canal loop from Brecon, which takes you through reservoir and canal landscapes.

What do other gravel bikers say about the trails in Merthyr Cynog?

The gravel biking routes around Merthyr Cynog are highly rated by the komoot community, with an average score of 4.7 stars from over 7 reviews. Riders often praise the diverse terrain, the dramatic views, and the sense of exploring hidden gems within the beautiful rural landscape of the Brecon Beacons.

Is Merthyr Cynog suitable for gravel biking year-round?

Wales, including the Merthyr Cynog area, is generally praised for its gravel riding opportunities year-round. While some moorland areas can be boggy, especially after rain, many of the ancient Roman roads, drover's tracks, and fire roads are rocky and hold up well. Always check local weather conditions before heading out, particularly in autumn and winter.

Are there any specific viewpoints or scenic spots along the routes?

Absolutely. The region offers numerous viewpoints with panoramic vistas. From various points, you can see the central Brecon Beacons, including the prominent Pen y Fan, and the distant Black Mountains. The Twyn y Gaer Summit and Iron Age Hillfort is a particularly recommended spot for fine views and picnics.

Can I bring my dog on the gravel bike trails?

While many outdoor areas in Wales are dog-friendly, it's always best to check specific trail regulations, especially within the Brecon Beacons National Park. When cycling through rural areas, particularly near livestock, it's crucial to keep dogs under close control, ideally on a leash, to ensure their safety and respect for local farming practices.

What are the options for parking when gravel biking in Merthyr Cynog?

As Merthyr Cynog is a rural area, parking is generally available in nearby towns or designated trailheads. For routes starting near Brecon, you can typically find parking within the town or at access points along the Monmouthshire and Brecon Canal. Always look for official parking areas or check local signage to ensure you are parking legally and safely.

Are there any cafes or pubs near the gravel bike trails for refreshments?

While Merthyr Cynog itself is a small village, nearby towns like Brecon, which serves as a starting point for several routes, offer a selection of cafes, pubs, and other amenities where cyclists can refuel and relax. It's advisable to plan your route to pass through or near these towns if you're looking for refreshment stops.

What is the Epynt Way and how does it relate to gravel biking in the area?

The Epynt Way is a bridleway track accessible from Merthyr Cynog. It provides routes suitable for cycling, including sections with challenging descents and ascents. It's a key feature of the local landscape that offers a rewarding experience for gravel bikers looking to explore more remote and varied terrain.

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