4.3
(304)
3,607
hikers
262
hikes
Hiking around Upper Cwmbran explores a landscape of steep-sided valleys, expansive heather moorland, and ancient woodlands. The area features a network of trails navigating rolling agricultural fields and community woodlands, with many routes centered around the Blaen Bran Reservoirs. These Upper Cwmbran walking routes often include ascents to hills that provide wide views across the region, including Twmbarlwm Hill.
Last updated: April 26, 2026
4.4
(8)
79
hikers
6.66km
02:05
250m
250m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.0
(7)
43
hikers
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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4.5
(2)
20
hikers
15.9km
04:34
360m
370m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.5
(2)
22
hikers
7.76km
02:00
30m
30m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
18
hikers
4.22km
01:04
10m
10m
Easy hike. Great for any fitness level. Easily-accessible paths. 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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always take waterproofs .This is 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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highly recommend the iced coffee with vanilla and cream on the top...amazing
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Yes, the area is well-suited for circular hikes. Many trails loop through the Blaen Bran Community Woodland and around the reservoirs, offering varied scenery without the need to backtrack. A great example is the Blaen Bran Trail loop, which provides a comprehensive tour of the local landscape.
For a gentle introduction to the area's scenery, consider the walk from The Square through Blaen Bran Community Woodland. It's a relatively short and flat route that still offers the pleasant experience of walking through the woods and near the Blaen Bran Reservoir.
Many trails in the area are suitable for walking with dogs, especially through the woodlands and open moorland. The Henllys Local Nature Reserve is a particularly popular spot for dog walkers, offering enclosed spaces and easy paths. As always, please keep dogs under control, especially near livestock and on roads.
The trails around the Blaen Bran Reservoirs are a great choice for a family outing. The loop from Greenmeadow is an easy walk that combines pleasant woodland paths with views of the water, making it engaging for all ages.
For hikes centered around the Blaen Bran Community Woodland and reservoirs, the Blaen Bran Woodland Lower Car Park is a convenient starting point. It provides direct access to several popular trails. Be aware that parking can be limited during peak times.
Yes, you can find waterfalls in the area. The streams running through the Blaen Bran Community Woodland create small, scenic waterfalls, especially after rainfall. Exploring the trails that follow the watercourses up towards the reservoirs is the best way to spot them.
The hike to the summit of Twmbarlwm, known locally as 'The Tump', involves a significant and steep climb. While the distance may not be extreme, the ascent is challenging and requires a good level of fitness. The reward is panoramic views across the Severn Estuary and the surrounding valleys.
The landscape is a mix of steep-sided valleys, ancient woodlands like Blaen Bran, and open heather moorland on the higher ground. You'll also find historic features, including remnants of the area's industrial past and ancient highways. Many routes, such as the Blaen Bran Reservoir – View of Blaen Bran Reservoir loop from Greenmeadow, offer expansive views from the hillsides.
The trails are highly regarded by the komoot community, with an average rating of over 4 stars. Hikers often praise the mix of peaceful woodland walking and the rewarding views from the hilltops. The well-defined paths around the reservoirs are also frequently mentioned as a highlight.
There are over a dozen curated hiking routes available in the immediate area, ranging from easy woodland strolls to more demanding moderate climbs onto the moorland. This selection provides plenty of options for different fitness levels and time commitments.
Yes, the Torfaen Trail, a 35-mile figure-of-eight route, passes through the region, connecting Pontypool to Upper Cwmbran. For a substantial day hike, you could tackle a route like the long loop from The Square, which covers nearly 16 km and explores a large section of the local trail network.


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