4.7
(149)
2,507
riders
85
rides
Mountain biking around Penrhiwceiber offers diverse terrain within the steep-sided Cynon Valley, characterized by its natural woodlands and historically shaped features. The region features numerous hills and valley slopes, providing varied elevation for mountain bike trails. Riders can explore routes through areas like St. Gwynno Forest and along former tramways, encountering a mix of natural beauty and industrial heritage. Reservoirs such as Lluest-Wen also contribute to the scenic backdrop of the area's mountain biking landscape.
Last updated: May 25, 2026
3.3
(3)
21
riders
27.4km
02:26
470m
470m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
5.0
(2)
14
riders
31.0km
01:55
310m
310m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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3.5
(2)
13
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(2)
12
riders
33.2km
03:02
520m
520m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
12
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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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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lovely . ( no phone signal ) bring yourself a drink and enjoy the view
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cabin gito top cake and coffee open Wednesday and sunday
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A remnant of Merthyr's past. This bridge carried a railway line that either took you through a tunnel to Aberdare or sent you north towards Cefn Coed and on to Brecon via Torpantau. Under the bridge was the Merthyr to Cardiff Glamorganshire canal which carried the produce of Cyfarthfa iron works to the ports of Cardiff which was then shipped all over the world.
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Entrance to Rhigos forest, great for MTB, links to Afan & Glyncorrwg and gravel riding.
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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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Penrhiwceiber offers a range of mountain bike trails suitable for different skill levels. You'll find a good mix of routes, with 17 easy trails, 66 moderate trails, and 5 difficult trails, ensuring options for both beginners and experienced riders. The terrain often includes steep valley slopes and woodlands, providing varied challenges.
Yes, there are family-friendly options, particularly among the 17 easy trails available. While specific routes aren't designated 'family-friendly' in the data, trails with less elevation gain and smoother surfaces, often found along former tramways or sections of the Taff Trail, would be suitable for families. Always check individual route details for suitability.
The trails around Penrhiwceiber offer a blend of natural beauty and historical interest. You can expect to ride through extensive woodlands like St. Gwynno Forest, past picturesque reservoirs such as Lluest-Wen Reservoir, and along former tramways that hint at the region's industrial past. Keep an eye out for unique Coal Spoil Grasslands, which are now vibrant habitats. While not directly on a mountain bike trail, the impressive BikePark Wales Trailhead is also nearby for dedicated bike park experiences.
Yes, many of the mountain bike routes in Penrhiwceiber are designed as loops. For example, the View of St. Gwynno Forest – Llanwonno Forest Trail loop from Fernhill and the Lluest-Wen Reservoir – Rhigos Mountain Viewpoint loop from Llanwonno are popular circular options that allow you to start and finish in the same location.
The mountain bike trails in Penrhiwceiber are highly rated by the komoot community, with an average score of 4.7 stars from over 100 reviews. Riders often praise the diverse terrain, the scenic views of St. Gwynno Forest, and the unique experience of riding along sections of the Taff Trail and former tramroads. The mix of natural beauty and historical elements is a significant draw.
Yes, Penrhiwceiber is known for its steep valley slopes and surrounding hills, which means many trails feature significant elevation changes. For instance, the Quakers Yard Viaduct – Taff Trail Tramroad Section loop from Quakers Yard involves over 780 meters of elevation gain, offering a challenging ride with rewarding ascents and descents.
The best time to mountain bike in Penrhiwceiber is generally during the spring, summer, and autumn months when the weather is milder and trails are drier. While winter riding is possible, be prepared for potentially wet and muddy conditions, especially on natural trails, and shorter daylight hours. Always check local weather forecasts before heading out.
There are over 80 mountain bike trails around Penrhiwceiber listed on komoot, offering a wide variety of options for different skill levels and preferences. This includes 17 easy, 66 moderate, and 5 difficult routes.
Beyond the trails themselves, the region offers several points of interest. You can find picturesque settings at Lake at Dare Valley Country Park or explore the tranquil surroundings of Nant Glydach Reservoir and Dam. For those interested in dedicated mountain biking facilities, BikePark Wales is also nearby, offering a wide range of trails (note that a day pass is required for access).
Penrhiwceiber is situated in the Cynon Valley, and while specific public transport links directly to trailheads are not detailed, the Taff Trail (National Cycle Route 8) is a major asset that can be accessed via public transport in nearby towns. For detailed public transport information to Penrhiwceiber itself, it's advisable to consult local transport providers.
Yes, while the majority of trails are moderate, there are 5 difficult routes available for advanced mountain bikers. These trails often feature steeper ascents, technical descents, and more rugged terrain, demanding good fitness and advanced riding skills. The varied landscape, including the steep valley slopes, provides ample opportunity for challenging rides.


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