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Bedwas Trethomas & Machen

The 14 Most Amazing Peaks around Bedwas Trethomas & Machen

Best mountain peaks around Bedwas Trethomas & Machen offer a range of natural landscapes and historical points of interest in South Wales. The region features hills that provide expansive views of the surrounding valleys and the Severn Estuary. Visitors can explore sites with cultural significance, including Iron Age hill forts. This area presents 14 distinct peaks for exploration.

Best mountain peaks around Bedwas Trethomas & Machen

  • The most popular mountain peaks is Twmbarlwm Hill and Iron Age hillfort, a…

Last updated: June 23, 2026

Twmbarlwm Hill and Iron Age hillfort

Highlight • Historical Site

Twmbarlwm is a 1,375 foot (419 m) hill that is rich in beauty, history and folklore. From the summit, you are afforded wonderful views of the Severn Estuary. There is an Iron Age hill fort on the summit, too.

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Mynydd Machen Summit

Highlight • Viewpoint

Mynydd Machen is a 1,188-foot (362 m) hill in South Wales which affords glorious views over Newport, Cardiff, Steep Holm, Flat Holm, Brean Down, and the Severn Estuary. The summit …

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Garth Summit

Highlight • Viewpoint

Stunning little hill with commanding views just outside Cardiff with a trig pointed summit. It is a UK listed Marilyn.

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Caerphilly Mountain Summit

Highlight • Viewpoint

Great little view point with a nearby cafe and large car park. Top spot.

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Craig yr Allt

Highlight • Trail

Craig yr Allt is a hill in South Wales with an unmarked summit overlooking Caerphilly to the east and the villages of Nantgarw and Taff's Well to the west. The …

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Popular around Bedwas Trethomas & Machen

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Cambrian Way — Hike the highest, wildest and most beautiful trail in Wales

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Tips from the Community

Peter Turner
July 9, 2025, Mynydd Machen Summit

Nice ascent from Crosskeys, but watch out for very overgrown pathways on the Machen side. Great views from the top!

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The Garth has a nice flat top with views across the valleys. Lots of sheep grazing too (March). Also a number of mounds provide some cover from the wind if a break is in order

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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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Caerphilly Mountain is located in the Vale of Glamorgan in Caerphilly and stands at 271 m above sea level. There are some magnificent panoramic views on offer here across Cardiff and Caerphilly, Feet, and on a sunny day, even over to Flat Home and Steep Home Islands, a pair of welsh islands lying in the Bristol Channel.

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plenty of free parking in Machen next to the village hall and library

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Twmbarlwm is a 1,375 foot (419 m) hill that is rich in beauty, history and folklore. From the summit, you are afforded wonderful views of the Severn Estuary. There is an Iron Age hill fort on the summit, too.

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Mynydd Machen is a 1,188-foot (362 m) hill in South Wales which affords glorious views over Newport, Cardiff, Steep Holm, Flat Holm, Brean Down, and the Severn Estuary. The summit is marked by the rock 10 feet (3 m) northwest of the trig point.

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Frequently Asked Questions

What are the most prominent mountain peaks to visit around Bedwas Trethomas & Machen?

The region offers several notable peaks. Twmbarlwm Hill and Iron Age hillfort is highly regarded for its beauty, history, and folklore, offering expansive views of the Severn Estuary. Mynydd Machen Summit provides glorious panoramic views over Newport, Cardiff, and the Severn Estuary. Another popular spot is Garth Summit, known for its commanding views across the valleys.

Are there any mountain peaks with significant historical importance in the area?

Yes, Twmbarlwm Hill and Iron Age hillfort features a well-preserved Iron Age hill fort at its summit, adding a deep historical layer to your visit. Additionally, Caerphilly Mountain has historical significance from WWII, with craters still visible from bombs dropped during the war.

What kind of views can I expect from the summits in Bedwas Trethomas & Machen?

From peaks like Twmbarlwm Hill, you can enjoy wonderful views of the Severn Estuary. Mynydd Machen Summit offers panoramic vistas stretching over Newport, Cardiff, Steep Holm, Flat Holm, Brean Down, and the Severn Estuary. Garth Summit provides commanding views across the valleys surrounding Cardiff.

Are there easy hiking trails suitable for beginners or families around these peaks?

Yes, there are several easy hiking options. For example, the route 'Technical Singletrack Trail – View of Machen loop from Machen' is rated easy, as is 'St John's Church, Machen – Mynydd Machen Summit loop from Machen'. You can find more easy hikes in the area by visiting the Easy hikes around Bedwas Trethomas & Machen guide.

Where can I find parking for walks up Mynydd Machen?

Visitors have noted that there is plenty of free parking available in Machen, conveniently located next to the village hall and library, making it a good starting point for walks up Mynydd Machen Summit.

What other outdoor activities can I do near the mountain peaks in this region?

Beyond hiking, the area is also suitable for gravel biking. You can explore routes like 'River Rhymney Cycle Trail – Caerphilly Castle loop from Taffs Well' or 'Coed Craig Ruperra – Ruperra Castle loop from Rogerstone'. For more options, check out the Gravel biking around Bedwas Trethomas & Machen guide.

What do visitors particularly enjoy about the peaks around Bedwas Trethomas & Machen?

Visitors appreciate the diverse natural landscapes and historical points of interest. The community has shared 26 photos and given 59 upvotes to the peaks, highlighting the beautiful views, the historical significance of sites like the Iron Age fort on Twmbarlwm, and the overall scenic experience.

Are there any challenging trails for experienced hikers?

Yes, some peaks and trails offer a more challenging experience. Mynydd Machen Summit is categorized as challenging, and Craig yr Allt also features challenging sections. For longer and more strenuous hikes, consider routes like 'Dreathen to Ruperra castle loop' found in the Hiking around Bedwas Trethomas & Machen guide.

Can I find circular walks around the mountain peaks?

Yes, many routes in the area are designed as loops. For instance, 'Mynydd Machen Summit – St John's Church, Machen loop from Machen' and 'Picnic Area with Benches – Winding Forest Gravel Trails loop from Machen' are popular circular options for exploring the peaks and surrounding areas.

Is there public transport access to the mountain peaks?

While specific public transport routes directly to all trailheads are not detailed, the region of Bedwas, Trethomas & Machen is generally accessible. It's advisable to check local bus services for routes that stop near the villages, from which you can often access the hills on foot. For example, Machen village has parking and is a common starting point.

What is <a href="https://www.komoot.com/highlight/2811099" target="_blank" rel="noopener">Craig yr Allt</a> and what does it offer?

Craig yr Allt is a hill in South Wales with an unmarked summit that provides views overlooking Caerphilly to the east and the villages of Nantgarw and Taff's Well to the west. The Taff Ely Ridgeway Walk passes over this hill, making it a good spot for those looking to combine a peak visit with a longer trail.

Are the trails on the peaks around Bedwas Trethomas & Machen generally dog-friendly?

Most outdoor trails in the Bedwas, Trethomas & Machen area are generally dog-friendly, allowing you to enjoy walks with your canine companion. However, always ensure dogs are kept under control, especially in areas with livestock like the sheep often found grazing on Garth Summit.

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