4.4
(373)
3,439
hikers
262
hikes
Hikes around Pontllanfraith explore the landscape of the Welsh Valleys, an area characterized by reclaimed industrial land now covered in woodland. The terrain features river valleys, such as the Sirhowy and Rhymney, alongside ascents to hills offering wide views. Many walking trails follow former railway lines, providing both level paths and more challenging routes into the surrounding forested hills.
Last updated: April 23, 2026
5.0
(2)
8
hikers
22.4km
06:20
460m
460m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(1)
11
hikers
6.96km
02:01
190m
190m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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4.0
(1)
9
hikers
13.8km
04:01
370m
370m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
12
hikers
18.8km
05:31
520m
520m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.0
(2)
8
hikers
23.6km
06:50
600m
600m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
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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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This area is also great for some technical trail running. Plenty of footpaths meander around the hills.
0
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Lovely path to ride on. A gentle incline and suitable for most abilities
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Cwmcarn Visitor Centre is located in the Cwmcarn Forest, near the town of Cwmcarn in South Wales. It serves as a hub for outdoor activities and a gateway to the beautiful natural surroundings of the area. Here are some key points about the visitor center: Key Features: Outdoor Activities: Cwmcarn Visitor Centre is popular for various outdoor activities, including walking, hiking, mountain biking, and nature observation. The surrounding forest offers a range of trails suitable for different skill levels. Mountain Biking: The area is particularly well-known for its mountain biking trails, which cater to both beginners and more experienced riders. The trails take advantage of the hilly terrain and scenic views. Facilities: The visitor center typically includes facilities such as a café, restrooms, and information about local attractions and activities. It serves as a comfortable spot for visitors to relax and plan their day. Wildlife and Nature: Cwmcarn Forest is rich in wildlife and biodiversity, making it a great place for nature enthusiasts. Visitors may spot various bird species and other wildlife during their explorations. Events and Education: The visitor center may host events, workshops, and educational programs related to nature conservation, outdoor skills, and local history. Scenic Views: The surrounding area boasts stunning views of the valleys and hills of South Wales, making it a great location for photography and enjoying the natural landscape. Visiting: Cwmcarn Visitor Centre is easily accessible by car, and there are parking facilities available (paid). It's advisable to check the center's opening hours and any specific events or activities planned during your visit.
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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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Great panoramic views of surrounding area.
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There are over 250 hiking routes to explore around Pontllanfraith. These range from easy strolls in country parks to challenging ascents up the surrounding hills, offering plenty of options for all ability levels.
Yes, the region has several great options for families. Sirhowy Valley Country Park features a flat, accessible path along a former railway line, which is perfect for a gentle walk. Cwmcarn Forest also offers family-oriented trails, like the one around Nantcarn Lake, along with picnic spots for a full day out.
Many trails in the area are dog-friendly, especially in open spaces like Sirhowy Valley Country Park and Cwmcarn Forest. However, it's always best to keep your dog on a lead, particularly near farmland or in areas with protected wildlife. Always check local signage for specific restrictions.
Hikers in the area have several favorite spots. Parc Penallta is highly regarded for its varied paths and interesting sculptures. For fantastic 360-degree views, many people head to Caerphilly Mountain. Another popular choice is the Taff Trail, known for being well-marked and easy to follow. For a quieter experience, locals enjoy the trails at Cefn Fforest Eco Park.
Absolutely. The area is excellent for circular hikes, meaning you can start and end in the same place without retracing your steps. A great example is the Hengoed Viaduct – Taff Bargoed Country Park loop from Hengoed, which provides a moderately challenging walk with varied scenery.
Yes, several trails are accessible via public transport. For instance, Hengoed has a train station that provides convenient access to routes featuring the Hengoed Viaduct. It's always a good idea to check local bus and train schedules in advance to plan your journey.
Yes, for those seeking a challenge, the Rhymney Valley Ridgeway Walk is a 28-mile circular route offering sustained, impressive views of the countryside. You can also tackle long sections of the Taff Trail, which runs through the wider region.
The main trail in Sirhowy Valley Country Park follows the path of a former railway line, making it mostly flat and accessible for walkers of all abilities, as well as cyclists and pushchairs. There are also other paths that branch off into the surrounding woodlands and along the riverside for those wanting to explore further.
Definitely. For some of the best panoramic views, the climb up Twmbarlwm Hill is a local favorite, offering sights from the Brecon Beacons to the Bristol Channel on a clear day. The Mynydd Machen Summit – Hengoed Viaduct loop from Hengoed is another strenuous but rewarding hike that takes you to a high point for expansive views.
The trails around Pontllanfraith are highly rated by the komoot community. Hikers often praise the mix of scenery, from peaceful riverside paths in the valleys to the wide-open views from the hilltops. The way nature has reclaimed former industrial areas, creating unique landscapes with historical remnants like viaducts and old railway lines, is another frequently mentioned highlight.
Cwmcarn Forest has a visitor centre with its own car park. Additionally, the Cwmcarn Forest Drive is a scenic road with seven designated car parks along its route. These provide excellent starting points for various walks and access to picnic areas. For the most current information on opening times and any potential fees, it's a good idea to check the official Cwmcarn Forest page.


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