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United Kingdom
Wales
South Wales

Gelligaer

The best walks and hikes around Gelligaer

4.4

(394)

3,894

hikers

21

hikes

Hiking around Gelligaer offers diverse landscapes, from expansive upland moorland to narrow, steep-sided river valleys. The region features exposed, windswept hills like Gelligaer Common, providing views of the Taf Bargoed area. Contrasting with the open moorlands are the wooded valleys of the Rhymney and Sirhowy rivers. Nearby hills such as Twmbarlwm and Mynydd Machen also provide panoramic vistas.

Best hiking trails around Gelligaer

  • The most popular hiking route is Hengoed Viaduct – Hengoed Viaduct loop from Hengoed, a 11.7…

Last updated: April 23, 2026

9

hikers

#1.

Penallta Park signpost loop from Ystrad Mynach

3.40km

00:58

80m

80m

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

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Easy

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

Moderate
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Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

Hard

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.

Hard

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

Moderate
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Popular around Gelligaer

Hilltops, castles and viewpoints — Rhymney Valley Ridgeway Walk

Road Cycling Routes around Gelligaer

Cycling around Gelligaer

Running Trails around Gelligaer

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Gravel biking around Gelligaer

Other adventures around Gelligaer

Hilltops, castles and viewpoints — Rhymney Valley Ridgeway Walk

Hiking Collection by

Kit P

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!

1

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Lovely path to ride on. A gentle incline and suitable for most abilities

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Some great views of the valley below once you get on the viaduct

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Odin
April 6, 2025, Hengoed Viaduct

Great views nice ride

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0

Rowan
March 27, 2025, Hengoed Viaduct

better in the daytime but well lit at night.

0

0

Colin Renwick
September 6, 2023, Hengoed Viaduct

Along with some magnificent views the end place Goytre Wharf definitely worth visiting

0

0

Stop for a while and enjoy the views

1

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Adie
November 16, 2022, Hengoed Viaduct

Hengoed Viaduct is an old railway viaduct that’s now a walkway and extension of NCN Route 47. It offers a nice view over the valley. The "Wheel o Drams" sculpture (locally known as "The Stargate") by Andy Hazell, is formed from a circle of coalmining dram trucks.

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Frequently Asked Questions

How many hiking trails are available in Gelligaer?

Gelligaer offers a diverse selection of over 20 hiking trails. These routes cater to various fitness levels, ranging from easy strolls to more challenging, difficult hikes.

Are there easy hiking options suitable for beginners or families in Gelligaer?

Yes, Gelligaer has 8 easy hiking routes, perfect for beginners or families. A good option is the Penallta Park signpost loop from Ystrad Mynach, which is a shorter, gentle walk.

What kind of terrain can I expect on Gelligaer's hiking trails?

The terrain in Gelligaer is quite varied. You'll find expansive upland moorland, such as Gelligaer Common, which offers exposed, windswept hills. In contrast, there are also narrow, steep-sided river valleys, often extensively wooded, particularly along the Rhymney and Sirhowy rivers.

What are some notable landmarks or natural features to see while hiking in Gelligaer?

Gelligaer is rich in both natural beauty and historical sites. You can explore the impressive Twmbarlwm Hill and Iron Age hillfort, offering stunning views, or visit the historic Hengoed Viaduct. The area also features Roman remains, prehistoric burial mounds, and the unique "Wheel o Drams" sculpture near the viaduct.

Are there any circular hiking routes in Gelligaer?

Many of Gelligaer's trails are circular, allowing you to start and end at the same point. For example, the Twyn Castell – Hengoed Viaduct loop from Gelligaer is a moderate circular route that takes you through varied terrain and past historical sites.

What do other hikers enjoy most about hiking in Gelligaer?

The komoot community highly rates Gelligaer's trails, with an average score of 4.5 stars from over 140 reviews. Hikers often praise the diverse landscapes, from open moorlands to wooded valleys, and the rewarding panoramic views from elevated points like Mynydd Machen.

Are Gelligaer's hiking trails accessible by public transport?

Yes, some trails in Gelligaer are accessible via public transport, particularly those starting from towns like Hengoed or Ystrad Mynach, which have train stations. The Hengoed Viaduct, for instance, is well-connected and forms part of National Cycle Network Route 47, making it a good starting point for walks.

Is there parking available near the trailheads in Gelligaer?

Parking is generally available near popular trailheads and attractions in Gelligaer. For example, routes around Penallta Park or those incorporating the Hengoed Viaduct often have designated parking areas nearby, making access convenient for hikers.

What is the best time of year to go hiking in Gelligaer?

Gelligaer offers hiking opportunities year-round, but the best time often depends on your preference. Spring and autumn provide pleasant temperatures and beautiful scenery, with vibrant foliage or blooming wildflowers. Summer is great for longer days, while winter can offer crisp, clear views, though some exposed areas like Gelligaer Common can be very windswept.

Are there any challenging hikes in Gelligaer for experienced hikers?

Absolutely. For experienced hikers seeking a challenge, Gelligaer offers difficult routes with significant elevation gain. The Mynydd Machen Summit – Hengoed Viaduct loop from Hengoed is a demanding 23.6 km path that includes a challenging ascent to Mynydd Machen Summit, providing extensive panoramic views.

Can I spot any unique wildlife or birds while hiking in Gelligaer?

Gelligaer is known for its natural beauty, and you might spot various wildlife. The area is particularly famous for sightings of the Red Kite (Barcud Coch in Welsh), which even has a dedicated Red Kite Trail. Keep an eye out for these magnificent birds of prey soaring overhead.

Are there any places to eat or drink near the hiking trails in Gelligaer?

While specific cafes or pubs directly on every trailhead might vary, Gelligaer and its surrounding villages offer amenities where hikers can find refreshments. You'll find pubs and cafes in nearby settlements like Hengoed, Ystrad Mynach, or Gelligaer village itself, perfect for a post-hike meal or drink.

Most popular routes around Gelligaer

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