The best walks and hikes around Ynysddu
4.4
(549)
5,025
hikers
360
hikes
Hiking around Ynysddu is set within the South Wales Valleys, offering a blend of reclaimed industrial heritage and vibrant natural beauty. The region is characterized by prominent hills such as Mynydd Machen and Twmbarlwm, alongside extensive woodlands like Cwmcarn Forest. Many routes follow the River Sirhowy through the valley or climb to viewpoints offering panoramic views over the surrounding area. This diverse terrain provides options for various abilities and interests.
Best hiking trails around Ynysddu
- The most popular hiking route…
Last updated: September 28, 2026
3.7
(6)
85
hikers
13.6km
03:53
320m
320m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.0
(1)
30
hikers
9.43km
02:58
350m
350m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(1)
27
hikers
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(1)
27
hikers
13.4km
03:32
120m
120m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
5.0
(4)
25
hikers
7.09km
01:58
120m
120m
Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.
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Tips from the Community
This area is also great for some technical trail running. Plenty of footpaths meander around the hills.
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Some gates are pain to get the bike through loud easy turn handapbares lift front wheel
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Cwmcarn Visitor Centre is located in the Cwmcarn Forest, near the town of Cwmcarn in South Wales. It serves as a hub for outdoor activities and a gateway to the beautiful natural surroundings of the area. Here are some key points about the visitor center: Key Features: Outdoor Activities: Cwmcarn Visitor Centre is popular for various outdoor activities, including walking, hiking, mountain biking, and nature observation. The surrounding forest offers a range of trails suitable for different skill levels. Mountain Biking: The area is particularly well-known for its mountain biking trails, which cater to both beginners and more experienced riders. The trails take advantage of the hilly terrain and scenic views. Facilities: The visitor center typically includes facilities such as a café, restrooms, and information about local attractions and activities. It serves as a comfortable spot for visitors to relax and plan their day. Wildlife and Nature: Cwmcarn Forest is rich in wildlife and biodiversity, making it a great place for nature enthusiasts. Visitors may spot various bird species and other wildlife during their explorations. Events and Education: The visitor center may host events, workshops, and educational programs related to nature conservation, outdoor skills, and local history. Scenic Views: The surrounding area boasts stunning views of the valleys and hills of South Wales, making it a great location for photography and enjoying the natural landscape. Visiting: Cwmcarn Visitor Centre is easily accessible by car, and there are parking facilities available (paid). It's advisable to check the center's opening hours and any specific events or activities planned during your visit.
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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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Very helpful staff who kindly refilled our water bottles - also pointed out that on entering the main carpark there is a public tap next to the unit/toilets on the left.
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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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Take it easy, take in the countryside!
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Friendly staff, reasonable prices, very much recommended.
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Frequently Asked Questions
Are there any easy, family-friendly walks around Ynysddu?
Yes, the area offers several gentle walks perfect for families. The Sirhowy Walk loop from Cwmfelinfach is an excellent choice, offering a relatively flat path through the scenic Sirhowy Valley. Another great option is a stroll around Pen-y-fan Pond, which is one of the last remaining canal feeder reservoirs in Wales and provides a safe, open space for a family ramble.
Are the hiking trails around Ynysddu suitable for dogs?
Many trails in the Ynysddu area are dog-friendly, especially in open spaces like Cwmcarn Forest and the Sirhowy Valley Country Park. However, you may encounter livestock on routes that cross farmland, so it's important to keep your dog on a lead in these areas. Always check for local signage regarding dogs.
Can I find good circular walks in the area?
Absolutely. Most of the popular trails around Ynysddu are designed as loops, so you can start and finish in the same place. For a longer, more varied circular route, consider the Forest Pond and Path View loop from Crosskeys, which takes you through the beautiful Cwmcarn Forest.
Where can I find parking for walks in Cwmcarn Forest or Sirhowy Valley?
Cwmcarn Forest has dedicated visitor parking near the main trailhead and visitor centre. The Cwmcarn Forest Drive also offers eight stop-off points with parking, providing access to different trails. For walks in the Sirhowy Valley, you can find parking at the Sirhowy Valley Country Park and near access points in towns like Cwmfelinfach.
What are the trail conditions like around Ynysddu?
The trails offer a lot of variety. You'll find everything from paved canal towpaths and gentle forest tracks to steeper, uneven paths on the ascents to hills like Mynydd Machen. After rain, some of the woodland and moorland paths can become muddy, so waterproof hiking boots are recommended.
Are there any walks that explore the area's industrial history?
Yes, the landscape is rich with history. The Crumlin Arm Canal – Cwmcarn Trailhead Arch loop from Crosskeys combines a walk along a historic canal with forest trails. Additionally, a hike up Mynydd y Grug takes you to a summit that was once a spoil tip, offering a direct link to the region's mining past.
What kind of views can I expect on the hikes?
The region offers fantastic panoramic views. Hikes that climb to the summits of Mynydd Machen or Mynydd y Grug reward you with sweeping vistas across the South Wales Valleys. Even lower-level walks, such as those in Cwmcarn Forest, provide beautiful scenic viewpoints overlooking the wooded slopes and reservoirs.
Is it possible to reach the trailheads using public transport?
Yes, several trailheads are accessible via public transport. Towns like Risca and Crosskeys have train stations and are starting points for popular hikes, including routes into Cwmcarn Forest and up Mynydd Machen. Local bus services also connect the villages throughout the valleys, getting you closer to various footpaths.
How challenging are the hikes around Ynysddu?
There is a good mix of difficulties. You can find over 150 easy-rated walks that are mostly flat and suitable for all skill levels. For those seeking more of a challenge, there are over 200 moderate routes that typically involve significant elevation gain, such as the Mynydd Machen Summit loop from Risca.
What do other hikers enjoy most about the trails here?
The trails around Ynysddu are highly regarded by the komoot community. Reviewers often praise the mix of peaceful forest paths, the sense of history in the landscape, and the rewarding panoramic views from the hilltops. The well-maintained paths in Cwmcarn Forest are also a frequently mentioned highlight.
Besides hiking, are there other outdoor activities available?
Yes, the area is a hub for various outdoor pursuits. Cwmcarn Forest is famous for its mountain biking trails. The region is also on the Celtic Trail cycle route (National Cycle Route 47). For more adventure, the Ynys Hywel Activity Centre in the Sirhowy Valley offers activities like rock climbing and canoeing.
Are there any pubs or cafes on the walking routes?
While most trails are through natural landscapes, many routes start or finish in villages like Risca, Crosskeys, or Cwmfelinfach, where you can find traditional pubs and cafes for refreshments after your hike. It's best to plan your food and drink stops for before or after your walk.
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