4.6
(70)
10,586
runners
512
runs
Jogging around Cwmcarn Forest offers diverse landscapes, transforming a former industrial area into peaceful forests. The region features varied terrain, from gentle valley floors to challenging hill climbs, providing options for different fitness levels. Trails wind through woodlands, past ponds and streams, with some paths offering technical running opportunities.
Last updated: August 29, 2026
5.0
(2)
81
runners
18.6km
02:01
230m
230m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
53
runners
9.73km
01:04
140m
140m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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17
runners
12.3km
01:28
360m
360m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
17
runners
29.5km
03:07
240m
240m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
15
runners
13.8km
01:41
370m
370m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Titanic rescue history linked to this location. Worth a visit if you are in the area.
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Nice ascent from Crosskeys, but watch out for very overgrown pathways on the Machen side. Great views from the top!
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one of the most interesting bike paths with many beautiful places
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Twmbarlwm is a prominent hill and archaeological site located near the town of Cwmcarn in South Wales. It is part of the Caerphilly County Borough and is known for both its natural beauty and historical significance. Here are some key points about Twmbarlwm: Key Features: Hillfort: Twmbarlwm is home to the remains of an ancient hillfort, dating back to the Iron Age. The fortifications, which include earthworks and ramparts, suggest it was a significant settlement during that period. Celtic Connections: The name "Twmbarlwm" is thought to derive from Welsh, with "Twm" being a diminutive of "Tudur" and "barlwm" referring to a mound or hill. The site is associated with Celtic history and mythology. Natural Beauty: The hill offers stunning views of the surrounding landscape, including the nearby valleys and mountains. It is a popular destination for walkers, hikers, and outdoor enthusiasts. Archaeological Significance: Twmbarlwm has been the subject of various archaeological studies, which have revealed insights into ancient settlement patterns, defensive strategies, and daily life in prehistoric Wales. Access: The hill is accessible via footpaths, making it a popular spot for local residents and visitors. There are several trails that lead to the summit, offering a rewarding hike. Cultural Heritage: The site is connected to local folklore and legends, contributing to its cultural significance in the region. Visiting: If you plan to visit Twmbarlwm, it’s a good idea to check local resources or hiking guides for specific trails and information about the area. The site is a great way to experience the natural beauty and historical richness of South Wales.
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The Monmouthshire and Brecon Canal links up a small network of canals, running 35 navigable miles (56km) through the Bannau Brycheiniog (Brecon Beacons) National Park for the majority of its length.
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go with a group more fun.
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Cwmcarn Forest offers a wide variety of running options, with over 500 routes available. These trails cater to all fitness levels, from leisurely jogs to challenging trail runs.
Yes, Cwmcarn Forest has nearly 50 easy routes perfect for beginners or those looking for a relaxed run. These often include leisurely paths around the valley floor and scenic areas like Cwmcarn Lake, providing a gentle introduction to the forest's beauty.
The terrain in Cwmcarn Forest is diverse, reflecting its transformation from an industrial past to peaceful woodlands. You'll find everything from gentle valley floor paths and some paved sections to challenging hill climbs, including ascents up prominent features like Twmbarlwm. Routes wind through broadleaved woodlands, past ponds, and alongside streams, offering both smooth and more technical trail running opportunities.
Yes, many of the running routes in Cwmcarn Forest are circular, allowing you to start and finish at the same point. For example, the Gelligroes Mill loop from Crosskeys and the Oak Tree loop from Crosskeys are popular circular options.
Runners can enjoy several points of interest. The historic Iron Age hill fort of Twmbarlwm offers breathtaking panoramic views across Cardiff Bay and towards the Brecon Beacons. The Cwmcarn Visitor Centre is a central hub, and the Forest Drive features stop-off points with play areas and a woodland sculpture trail. Cwmcarn Lake is also a beautiful natural feature integrated into several routes.
Yes, Cwmcarn Forest offers routes suitable for families. While some trails are challenging, there are also easier, more accessible paths around the valley floor and Cwmcarn Lake that are great for a family jog. The Forest Drive also has engaging diversions like play areas and sensory tunnels that can make a longer outing more enjoyable for children.
Yes, Cwmcarn Forest is generally dog-friendly, making it a great place to run with your canine companion. However, it's important to keep dogs on a leash, especially in areas with wildlife or near livestock, and to always clean up after them to preserve the natural environment for everyone.
Cwmcarn Forest offers a great running experience year-round. Spring brings vibrant new foliage, while late summer and early autumn showcase stunning changing leaf colors. Even in winter, the forest has a unique charm, though some trails might be muddy. The Visitor Centre and Raven's Café are open year-round for facilities.
Yes, the Cwmcarn Visitor Centre serves as a central hub and includes Raven's Café, where you can grab a meal or a quick drink. Restroom facilities are also available at the Visitor Centre, making it a convenient starting or ending point for your run.
The running routes in Cwmcarn Forest are highly rated by the komoot community, with an average score of 4.7 stars from over 50 reviews. Runners often praise the peaceful forest atmosphere, the diverse landscapes, and the variety of trails that cater to different abilities, from gentle valley paths to challenging hill climbs.
Parking is available at the Cwmcarn Visitor Centre, which serves as a convenient base for accessing many of the running trails. There are also various stop-off points along the Forest Drive that may offer parking, providing different access points to the extensive trail network.
Yes, Cwmcarn Forest offers several challenging routes for experienced trail runners. Trails leading up to prominent features like Twmbarlwm provide significant elevation gain and more technical terrain, requiring good fitness and sure-footedness. The Cwmcarn Pond – Cwmcarn Trailhead Arch loop from Abercarn is another difficult option with substantial elevation changes.


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