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Routes
MTB trails
United Kingdom
Wales
South Wales
Neath Port Talbot

Crynant Forest

The best MTB trails around Crynant Forest

4.6

(232)

5,929

riders

97

rides

Mountain biking around Crynant Forest offers a diverse landscape characterized by the western slopes of Mynydd Marchywel, providing views into the Tawe and Dulais valleys. The region features an extensive network of forest tracks, canal paths, and ancient Roman roads, suitable for various cycling experiences. Gently sloping valley sides and upland plateaus define the terrain, with some areas of ancient woodland. This varied topography supports both technical mountain bike trails and broader gravel biking opportunities.

Best mountain bike trails around…

Last updated: May 7, 2026

4

riders

#1.

Widow Maker (Blue Scar Trail) – Pontrhydyfen Viaduct loop from Glynneath

52.3km

04:13

840m

840m

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Moderate

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate
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Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

Moderate
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Popular around Crynant Forest

Bikepacking the length of Wales from Worms Head to Great Orme

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Bikepacking the length of Wales from Worms Head to Great Orme

Mountain Biking Collection by

Doubletrackfanatic

Tips from the Community

Mark Jacobs
April 7, 2026, Afan Valley Cycle Route

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

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Entrance to Rhigos forest, great for MTB, links to Afan & Glyncorrwg and gravel riding.

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“Base” Good coffee/food stop.

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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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An epic road bike climb that not very difficult & has stunning views as you ascend

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A beautiful & easy cycle trail suitable for most bikes

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Check out the Afan Valley Bike Shed - great helpful staff and they sell a selection of souvenirs - tees, hoodies, mud guards & stem caps (always good to support the local shop).

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Climb well worth it for the views over Aberdare / Dare Valley Country Park

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Frequently Asked Questions

How many mountain bike trails are available in Crynant Forest?

Crynant Forest offers a wide selection of mountain bike routes, with over 100 trails documented on komoot. These range from easy gravel paths to challenging downhill and enduro tracks.

What types of mountain biking can I expect in Crynant Forest?

The region caters to various styles. You'll find technical downhill and enduro trails, some of which are used for national races, featuring steep descents, rocks, roots, and jumps. There are also extensive gravel biking opportunities on forest tracks, canal paths, and ancient Roman roads, suitable for less extreme cycling.

Are there any easy mountain bike trails suitable for beginners or families?

Yes, Crynant Forest has several easier routes. For example, the Aberdulais Stone Bridge – Aberavon Beach loop from Aberdulais is an easy 32.7 km trail that offers a more relaxed ride. The region's gravel paths and canal routes also provide accessible options.

Where can I find challenging mountain bike trails in Crynant Forest?

For experienced riders seeking a challenge, Crynant Forest is known for its technical downhill and enduro trails. Routes like Rheola DH are described as fast, rocky, rooty, and steep, with an average grade of up to 16%. Other hand-cut enduro trails such as J.E.R., Freyr, and Bob Moss offer natural cambers, berms, rock drops, and jumps.

Are e-bikes allowed on the trails in Crynant Forest?

Yes, e-bikes are permitted on many of the trails within Crynant Forest, with 11 specific trails allowing their use. This provides more options for riders who prefer electric assistance.

What are some notable natural features or attractions near the mountain bike trails?

Beyond the trails, you can explore Henrhyd Falls, the highest waterfall in South Wales, where you can even walk behind the cascade. The surrounding Graig Llech Wood is a Site of Special Scientific Interest. The forest also offers views into the Tawe and Dulais valleys and across to the Brecon Beacons.

Are there any circular mountain bike routes in Crynant Forest?

Yes, many routes in Crynant Forest are designed as loops. Examples include the Widow Maker (Blue Scar Trail) – Pontrhydyfen Viaduct loop from Glynneath, a moderate 52.3 km trail, and the Sarn Helen – Cefn Coed Colliery Museum loop from Crynant, which is 17.8 km.

What do other mountain bikers say about the trails in Crynant Forest?

The mountain bike trails in Crynant Forest are highly regarded by the komoot community, with an average rating of 4.6 stars from over 200 reviews. Nearly 6,000 mountain bikers have used komoot to explore the varied terrain, often praising the diverse landscape and the mix of technical and scenic routes.

Are there any historical landmarks along the mountain bike routes?

Yes, some routes incorporate historical elements. For instance, the Cefn Coed Colliery Museum – Sarn Helen loop from Aberdulais includes sections of the ancient Sarn Helen Roman road and passes by local landmarks like the Cefn Coed Colliery Museum.

What kind of terrain can I expect on the mountain bike trails?

The terrain is quite varied. You'll encounter extensive forest tracks, smooth canal paths, and sections of ancient Roman roads for gravel riding. For more technical mountain biking, expect rocky, rooty, and steep natural downhill tracks, as well as hand-cut enduro trails with natural cambers, berms, and rock features.

Can I find routes that follow waterways or canals?

Absolutely. The region features routes that utilize its network of canal paths. A good example is the Neath Canal Path and Lock – Path Along the River Neath loop from Glynneath, which offers a moderate 43.9 km ride along the water.

What are the views like from the mountain bike trails in Crynant Forest?

The forest is situated on the western slopes of Mynydd Marchywel, providing excellent views into the Tawe and Dulais valleys. You can also enjoy expansive vistas across to the Brecon Beacons, with some areas offering newly opened views due to forest management.

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