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Gravel rides
United Kingdom
Wales
South Wales
Rhondda Cynon Taf

St Gwynno Forest

The best gravel rides around St Gwynno Forest

4.3

(9)

111

riders

19

rides

Gravel biking around St Gwynno Forest offers diverse landscapes with a mix of wooded areas, meandering streams, and challenging terrain. The region is characterized by extensive forestry roads and fire tracks, providing varied surfaces from smooth gravel to more rugged mountain paths. These features make St Gwynno Forest a notable destination for gravel bike trails in South Wales. The area includes significant elevation changes and mixed-surface routes.

Best gravel bike trails around St Gwynno Forest

  • The most popular gravel bike…

Last updated: July 3, 2026

4.5

(2)

3

riders

#1.

Waterfall – Nant Glydach Reservoir and Dam loop from Llanwonno

13.7km

00:57

240m

230m

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

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Moderate

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

Hard
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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 St Gwynno Forest

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Tips from the Community

Richard
April 18, 2026, Daerwynno Outdoor Centre and Caban Guto

Cracking Cafe open, Sat Sun and Wed year round.

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Peaceful route. Opportunities to stop at Afan Argoed country park and the old Station at Cymmer.

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“Base” Good coffee/food stop.

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Fantastic chill out zone.

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Great place great view right next door to the zip world and the Afan mountain bike trails.

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Park at Rhyslyn and use the cycleway to Afan trails as a useful warm up before hitting the climb or Penhydd or Y Wal

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Dan
December 27, 2024, Slag Heap Descent

Great fun on soft loose gravel. Steep decent on the loose or down the concrete acces path.

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You can enjoy lovely views of the town and Afon Valley from this high up viewpoint on Pontrhydyfen Viaduct. The viaduct itself was build in 1898 by the Port Talbot Railway.

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Frequently Asked Questions

How many gravel bike trails are available in St Gwynno Forest?

St Gwynno Forest offers a diverse network of nearly 20 gravel bike trails. These routes cater to various skill levels, from moderate paths to more challenging rides, providing extensive options for exploring the region's unique landscape.

What kind of terrain can I expect on the gravel bike trails in St Gwynno Forest?

The terrain in St Gwynno Forest is quite varied, featuring a mix of wooded areas, meandering streams, and significant elevation changes. You'll encounter extensive forestry roads and fire tracks, with surfaces ranging from smooth gravel to more rugged, boulder-strewn mountain paths. This makes it ideal for gravel bikes, cyclocross bikes, or mountain bikes.

Are there any easier gravel bike trails for beginners in St Gwynno Forest?

While many routes in St Gwynno Forest offer challenging climbs and descents, there are options suitable for those looking for a more moderate experience. For example, the Waterfall – Nant Glydach Reservoir and Dam loop from Llanwonno is a moderate 8.5-mile trail that offers scenic views without extreme difficulty.

What are some notable natural features or attractions I can see along the gravel bike trails?

St Gwynno Forest is rich in natural beauty and points of interest. You can encounter beautiful waterfalls like Waterfall, serene reservoirs such as Lluest-wen Reservoir, and extensive wooded areas. From higher points, you might even catch panoramic views of the Brecon Beacons, including Pen-Y-Fan. The historic St Gwynno Church is also a significant landmark within the forest.

Are the gravel bike trails in St Gwynno Forest dog-friendly?

Many trails in St Gwynno Forest are suitable for walking dogs, but when cycling, it's important to keep your dog under control, especially on shared paths or near livestock. Always ensure your dog is well-behaved and consider local regulations regarding dogs on trails. The varied terrain and natural environment make it a great place for outdoor activities with your canine companion.

Are there family-friendly gravel routes suitable for all ages in St Gwynno Forest?

Yes, St Gwynno Forest offers routes that can be enjoyed by families. While some trails are challenging, there are also easier paths and forest tracks that are suitable for a family outing. The diverse network allows you to choose routes based on the experience level of your group, ensuring an enjoyable ride for everyone.

What is the best time of year for gravel biking in St Gwynno Forest?

Gravel biking in St Gwynno Forest can be enjoyed year-round, but each season offers a different experience. Spring and autumn provide pleasant temperatures and beautiful scenery with changing foliage. Summer is great for longer days, while winter can offer a unique, rugged experience, though some paths might be muddier or more challenging due to weather conditions. Always check local weather forecasts before heading out.

Are there places to eat or stay near the gravel bike trails in St Gwynno Forest?

Yes, the area around St Gwynno Forest has various options for refreshments and accommodation. You can find cafes and pubs in nearby villages. For longer stays, there are hotels, B&Bs, and self-catering accommodations available, particularly in towns like Ynysybwl, Llanwonno, or further afield in the Rhondda Cynon Taf region.

What do other gravel bikers enjoy the most about gravel biking in St Gwynno Forest?

The komoot community highly rates the gravel biking experience in St Gwynno Forest, with an average score of 4.4 stars. Riders often praise the diverse landscapes, the mix of challenging climbs and descents, and the extensive network of forestry roads that provide a true off-road adventure. The scenic views and natural features like waterfalls and reservoirs are also frequently highlighted.

Are there any circular gravel bike trails in St Gwynno Forest?

Yes, many of the gravel bike trails in St Gwynno Forest are designed as loops, allowing you to start and finish at the same point. Examples include the Rhigos Mountain Fire Roads – View of Treherbert Basin loop from Ton Pentre, which offers panoramic views, or the Barry Sidings Café – Aberfan Memorial Cairn loop from Ystrad Rhondda, traversing varied terrain.

Where can I park when visiting St Gwynno Forest for gravel biking?

Parking is generally available at various access points around St Gwynno Forest. Specific car parks can be found near popular trailheads or villages bordering the forest, such as Llanwonno or Ton Pentre. It's advisable to check for designated parking areas when planning your route to ensure convenient access to the trails.

How can I reach St Gwynno Forest trails using public transport?

Public transport options to the St Gwynno Forest area typically involve bus services to nearby towns and villages such as Ynysybwl, Llanwonno, or those within the Rhondda Fach and Rhondda Fawr valleys. From these points, you may need to cycle a short distance to reach the main forest trails. Check local bus timetables for the most up-to-date information on routes and schedules.

Most popular routes around St Gwynno Forest

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