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South Wales

Merthyr Tydfil

The best dog-friendly hikes and walks around Merthyr Tydfil

4.5

(5120)

47,718

hikers

27

hikes

Dog friendly hiking trails around Merthyr Tydfil offer access to diverse landscapes at the southern edge of the Bannau Brycheiniog (Brecon Beacons) National Park. The region features wild moorland, high peaks, and a network of trails traversing river valleys and forested areas. Numerous reservoirs, such as Llwyn-on and Pontsticill, provide scenic waterside routes. Hills like Cefn Cil-Sanws offer elevated views across the surrounding terrain.

Best dog friendly hiking trails around Merthyr Tydfil

  • The most popular dog friendly hiking route is…

Last updated: May 16, 2026

4.7

(3)

23

hikers

#1.

Pant y Creigiau Summit – Pant y Creigiau Trig Point loop from wild camp

11.6km

03:19

290m

290m

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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Moderate

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy
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Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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Tips from the Community

David Howells
April 22, 2026, Torpantau Railway Tunnel

Torpantau Tunnel is a closed-down, 666-yard-long abandoned masonry railway tunnel in Wales that was opened in 1863 and closed down in 1963. It was part of the Brecon and Merthyr Railway line and, at 1,313 feet above sea level, was the highest tunnel on the UK railway network. Now it is disused but is often used as part of team building and adventure walks by local activity providers. If you are thinking of using it, you will need wellingtons (which will just about keep you dry) and a head torch. It is a brilliant place to lead a group of kids through and jump out to scare them half to death.

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Pant y Creigiau is a 565-metre trig-pointed summit in what is locally called the 'Glyn' area of the Brecon Beacons, which is the area between Talybont-on-Usk and Pontsticill villages. It is a moderate walk to get to it from either the Blaen-y-Glyn car park or some easy roadside parking. There are panoramic views of the Talybont Reservoir and surrounding peaks from the top.

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Pentwyn Reservoir is the smaller sister to Pontsticill Reservoir, both being separated by a causeway going towards the old Dolygaer outdoor centre. It is a very popular spot with fishermen and outdoor enthusiasts alike. The reservoir is used daily for a mix of watersports such as paddle boarding, kayaking, canoeing and raft building. It is in a beautiful setting, and you have great views north towards Pen y Fan and nice walks nearby.

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Really...best view for miles!!!

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One of my favourite places in the Beacons for cycling or hammock camping.

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Nice, cool and peaceful

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The ideal selfie spot

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A reward for all your hard work.

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Frequently Asked Questions

How many dog-friendly hiking trails are available around Merthyr Tydfil?

There are over 25 dog-friendly hiking trails around Merthyr Tydfil, offering a variety of distances and difficulties suitable for you and your canine companion. These routes are highly rated by the komoot community, with an average score of 4.4 stars from over 2,100 reviews.

Are there easy dog-friendly walks suitable for all fitness levels?

Yes, Merthyr Tydfil offers several easy dog-friendly walks. For example, the Pentwyn Reservoir loop from Dol-y-gaer is an easy 7.2 km route, perfect for a relaxed stroll with your dog. Many reservoir paths, like those around Llwyn-on Reservoir, also provide gentle, accessible options.

What kind of terrain can I expect on dog-friendly hikes in Merthyr Tydfil?

The terrain varies widely, from well-maintained paths around reservoirs like Pontsticill and Llwyn-on, to more rugged trails in the Brecon Beacons foothills. You'll encounter river valleys, forested sections, and open moorland. Some routes, such as the Cefn Tarenni Cochion – Pant y Creigiau Summit loop, involve moderate ascents and descents.

Are there any circular dog walks in the area?

Yes, many dog-friendly routes in Merthyr Tydfil are circular, allowing for varied scenery without retracing your steps. The Pentwyn Reservoir loop and the Pant y Creigiau Summit – Cefn Tarenni Cochion loop are excellent examples of circular trails. Pontsticill Reservoir also offers popular circular walks.

What natural features or landmarks can I see on these dog-friendly trails?

You and your dog can explore a variety of natural and historical landmarks. Many trails offer views of the Bannau Brycheiniog (Brecon Beacons) National Park, including distant glimpses of Pen y Fan. You'll also encounter picturesque reservoirs like Pontsticill Reservoir and Llwyn-on Reservoir Dam. The historic Pontsarn Viaduct and the remains of Morlais Castle are also notable points of interest along some routes.

Are there any dog-friendly trails with good viewpoints?

Absolutely. Trails leading to summits or higher ground often provide stunning panoramic views. The Cefn Tarenni Cochion – Pant y Creigiau Summit loop offers rewarding vistas. Additionally, Cefn Cil-Sanws, located just above Merthyr Tydfil, provides incredibly peaceful hiking with extraordinary views towards the Brecon Beacons, including Pen y Fan.

What is the best time of year for dog-friendly hiking in Merthyr Tydfil?

Spring and autumn are particularly pleasant for hiking in Merthyr Tydfil, with vibrant foliage and comfortable temperatures. Summer offers longer daylight hours, but trails can be busier. Winter walks can be beautiful, especially around the reservoirs, but be prepared for potentially muddy or icy conditions, particularly at higher elevations.

Are there any specific considerations for dogs on trails in the Brecon Beacons area?

When hiking with your dog, especially in or near the Bannau Brycheiniog (Brecon Beacons) National Park, it's important to keep them under close control, particularly around livestock. Many areas are working farmland. Always carry water for your dog, and be mindful of ground nesting birds during spring and early summer. Some trails may have stiles that require lifting your dog over.

Where can I find parking for dog-friendly trails?

Many popular trailheads and visitor centers, such as Garwnant Visitor Centre and areas around the reservoirs (e.g., Pontsticill and Llwyn-on), offer dedicated parking facilities. It's always advisable to check specific route details on komoot for parking information relevant to your chosen starting point.

Are there any dog-friendly pubs or cafes near the hiking routes?

Merthyr Tydfil and its surrounding villages have a growing number of dog-friendly establishments. While specific recommendations depend on your chosen route, many local pubs and cafes welcome well-behaved dogs, especially those with outdoor seating. It's always a good idea to check with the establishment beforehand.

What is the longest dog-friendly hike available?

Among the longer dog-friendly options, the View of Talybont Reservoir loop from wild camp covers approximately 16.6 km, offering a substantial outing for you and your dog. Another notable route is the Twyn Brynbychan Trig Point – Giant's Bite loop from Mountain Ash, which is around 14.6 km.

Can I find trails that are suitable for families with dogs?

Yes, many of the easier and moderate trails are suitable for families with dogs. The reservoir walks, such as the Llwyn-on Reservoir loop, are generally flat and well-maintained, making them ideal for a family outing. Garwnant Visitor Centre also offers various walking trails with play areas, perfect for families with children and dogs.

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