4.7
(58)
7,313
runners
382
runs
Jogging around Upper Cwmbran offers a variety of routes through diverse landscapes. The region features a mix of rolling hills, such as Mynydd Twyn Glas and Twmbarlwm, and tranquil woodland areas like Blaen Bran Community Woodland. Runners can expect trails that traverse open ground, forested paths, and routes alongside local water features like Nant-y-Gollen Ponds. The terrain includes both relatively flat sections and more challenging ascents, providing options for different fitness levels.
Last updated: April 23, 2026
24
runners
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
22
runners
8.21km
00:51
60m
60m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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18
runners
6.54km
00:41
40m
40m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
15
runners
5.64km
00:40
120m
120m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
15
runners
7.23km
00:53
170m
170m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Take the longer way. Route is blocked by carpark
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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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A small summit above Risca. Known locally as the "Twmp" (the hump), the pimple or the nipple, due to the shape of the mound on the summit.
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This section is absolutely brutal on the gravel bike in winter!
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Blaen Bran is managed and cared for by an active community woodlands trust. Felling is planned for Jan and Feb 2023 which will lead to access restrictions at times. If you wish to double-check access before heading off contact: enquiries@blaenbran.wales
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The Mill is one of the few surviving triple stone water mills left in the country. The 17th century mill, cared for by The Friends of Llanyrafon Mill, houses many historical artefacts from the area.
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There are over 390 running routes available in and around Upper Cwmbran, catering to various fitness levels and preferences. You'll find a diverse selection, from gentle paths to more challenging trails.
Yes, Upper Cwmbran offers nearly 40 easy running routes suitable for beginners or those looking for a less strenuous run. These trails typically feature minimal elevation gain and well-maintained paths.
Absolutely. For experienced runners seeking a challenge, there are 100 difficult routes with significant elevation. A notable example is the Mynydd Twyn Glas – Twmbarlwm loop from Greenmeadow, which covers 14.4 miles (23.2 km) with over 500 meters of ascent, offering expansive views from the hills.
Many of the running paths in Upper Cwmbran are designed as circular routes, allowing you to start and finish at the same point. For instance, the Running loop from Cwmbrân is a moderate 4.1 miles (6.5 km) option, and the Nant-y-Gollen Ponds loop from New Inn offers a 5.9 miles (9.5 km) run through varied terrain.
Many trails in Upper Cwmbran are suitable for running with dogs, especially those through woodlands and open countryside. However, it's always recommended to keep dogs on a lead, particularly near livestock or in nature reserves, and to check local signage for specific restrictions.
Yes, several routes are suitable for families, especially the easier, flatter paths. Trails through areas like Blaen Bran Community Woodland offer a pleasant environment for a family run or walk. Always consider the distance and difficulty to match your family's capabilities.
For scenic runs with excellent viewpoints, head towards the higher elevations. Trails around Mynydd Twyn Glas and Twmbarlwm offer panoramic vistas. You can also find great views from Mynydd Machen Summit or the Twmbarlwm Hill and Iron Age hillfort, which are accessible via some running routes.
Yes, the region features routes that run alongside local water features. The Nant-y-Gollen Ponds loop from New Inn is a great option if you enjoy running near water, offering a tranquil setting.
The terrain around Upper Cwmbran is quite varied. You can expect a mix of rolling hills, tranquil woodland paths, and open ground. Some routes feature relatively flat sections, while others include more challenging ascents and descents, often on natural surfaces like dirt paths or gravel.
Parking is available at various points near trailheads. For example, areas around Greenmeadow or Sebastopol often have local parking. You might also find parking facilities near popular spots like Cwmcarn — Twrch Mountain Bike Trail, which can serve as a starting point for runs.
The running trails in Upper Cwmbran are highly rated by the komoot community, with an average score of 4.7 stars from over 50 reviews. Runners often praise the diverse landscapes, from challenging hill climbs with rewarding views to peaceful woodland and pond-side paths, and the variety of options for all ability levels.
Spring and autumn generally offer the most pleasant conditions for running in Upper Cwmbran, with mild temperatures and beautiful scenery. Summer can be warm, so early morning or late evening runs are advisable. Winter running is possible, but trails may be muddy or icy, especially on higher ground, so appropriate footwear is essential.


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