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South Wales
Rhondda Cynon Taf

Mountain Ash West

The best dog-friendly hikes and walks around Mountain Ash West

4.3

(229)

2,162

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3

hikes

Dog friendly hiking trails around Mountain Ash West are characterized by diverse landscapes within the Rhondda Cynon Taf county borough of Wales. The region features river valleys, including the Cynon and Taff, flanked by steep hillsides. Former industrial areas have been reclaimed by nature, offering unique pathways that blend historical elements with natural beauty. Hikers can explore areas with varied terrain, from riverside paths to more challenging ascents through forests and open country.

Best dog friendly hiking trails around Mountain…

Last updated: June 23, 2026

4.8

(5)

14

hikers

#1.

Twyn Brynbychan Trig Point – Giant's Bite loop from Mountain Ash

14.6km

04:26

470m

470m

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

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Moderate

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

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

Moderate

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Tips from the Community

Zoe Evans
August 25, 2023, Gillies Trail Waterfall

Gillies Trail and Waterfall in Caegarw, Mountain Ash. Not many people are aware of the path that leads up to the mountain behind Caegarw and the impressive waterfall that is only a short 10 minute walk from the start of the trail. The path is accompanied by a beautiful river which follows alongside for a good part of the trial and there is a fair share of wildlife to spot too! If you’re looking for a new place to visit in Mountain Ash or a place to go with your dogs off the lead, this is ideal!

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Zoe Evans
February 12, 2023, Giant's Bite

High above the A470 to the north of Quaker’s Yard, the Giant’s Bite is a dramatic gap in the skyline quarried from the ridge top at the former Cefn Glas mine and quarry. ❤️👌 The site was intensively grazed up to the mid-1990s when a large belt of native trees were planted on the lower slopes. These trees are now maturing and have helped to heal the visible mining scares. The shales forming the upper soil horizons support a wide variety of native flowering grassland species including wild strawberry, cowslip, foxglove and wild thyme, and the site is increasingly becoming re-vegetated by scrub species. Incredibly Fine views of the Taff and Cynon valleys are afforded from the summit ridge, while the line of the former Glamorganshire Canal is also discernible.

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this has seating so you can take a break and take in the beauty of the stunning views.

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stunning views of Merthyr Tydfil, Merthyr Vale and Aberfan .

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We walked miles. Up to the waterfall on Gillies trail, followed the path up onto the rocky and then to the trig point on Twyn Brynbychan, above the cynnon valleys. Enjoyed a breather on top, before trekking around the back forestry where you can see Aberfan and Merthyr Vale and headed over to the bronze age sight before descending down to Cwmaman and back to the car.

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Frequently Asked Questions

How many dog-friendly hiking trails are available in Mountain Ash West?

You'll find a selection of 3 dog-friendly hiking trails around Mountain Ash West. These routes are specifically curated to be suitable for you and your canine companion, offering diverse landscapes and experiences.

Are there any circular dog-friendly walks in Mountain Ash West?

Yes, all the dog-friendly routes listed are circular, allowing for convenient starting and ending points. For example, the Twyn Brynbychan Trig Point – Giant's Bite loop from Mountain Ash offers a substantial circular journey, while the Gillies Trail Waterfall loop from Mountain Ash provides a shorter, scenic option.

Can I find trails with waterfalls suitable for dogs in Mountain Ash West?

Absolutely! The region is known for its impressive waterfalls. The Gillies Trail Waterfall loop from Mountain Ash and the Forest Path – Gillies Trail Waterfall loop from Mountain Ash both incorporate these picturesque natural spectacles, offering a refreshing experience for both you and your dog.

What kind of terrain can I expect on dog-friendly hikes in this area?

The dog-friendly trails in Mountain Ash West offer varied terrain. You can expect paths that traverse river valleys, steep hillsides, and areas reclaimed from former industrial landscapes. Some routes may include forestry, birchwoods, and open country, often with streams and waterfalls. All listed routes are of moderate difficulty, indicating a mix of ascents and descents.

Are there any historical or natural landmarks to see with my dog along the trails?

Yes, the area is rich in history and natural beauty. You can explore remnants of former mining operations and enjoy expansive views across the Cynon and Taff Valleys. The Twyn Brynbychan Trig Point – Giant's Bite loop from Mountain Ash, for instance, takes you past the Giant's Bite Quarry, a former quarry on Daren y Celyn offering panoramic views. You might also encounter highlights like the Lluest-wen Reservoir Dam Wall or the tranquil Pontsarn Blue Pool near some routes.

What are the parking options for dog-friendly trails in Mountain Ash West?

While specific parking details for each trailhead are best checked on the individual route pages, many trails in the Rhondda Cynon Taf area, including those around Mountain Ash West, offer designated parking areas. For general information on walking routes and potential parking facilities in the wider county borough, you may find resources on the local council's website.

Can I reach dog-friendly trails using public transport in Mountain Ash West?

Mountain Ash West is served by local public transport, including bus and train services, which can provide access to the town center. From there, some trailheads may be within walking distance or a short local bus ride. We recommend checking local transport schedules and route starting points for the most accurate information on accessibility.

What is the best time of year to hike with my dog in Mountain Ash West?

The diverse landscapes of Mountain Ash West can be enjoyed year-round. Spring brings blooming flora, while autumn offers vibrant colors. Summer is ideal for longer days, and winter can provide crisp, clear views, though some paths might be muddy or slippery. Always check local weather conditions before heading out, especially with your dog.

Are there any dog-friendly pubs or cafes in Mountain Ash West for after a walk?

Mountain Ash and the surrounding areas have a growing number of establishments that welcome well-behaved dogs. While specific recommendations are outside the scope of this guide, it's always a good idea to check with individual pubs or cafes beforehand to confirm their dog-friendly policies and any specific rules they may have.

What do other hikers enjoy most about dog-friendly trails in Mountain Ash West?

The dog-friendly trails in Mountain Ash West are highly rated by the komoot community, with an average score of 4.3 stars. Reviewers often praise the diverse scenery, the opportunity to explore both natural beauty and industrial heritage, and the well-maintained paths that make for enjoyable walks with their canine companions.

Are there any longer dog-friendly routes for a full day out?

Yes, for a longer adventure, the Twyn Brynbychan Trig Point – Giant's Bite loop from Mountain Ash is a great option. This moderate route spans over 14 kilometers and involves significant elevation gain, making it suitable for a full day's hike with an energetic dog.

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