4.4
(7)
935
runners
67
runs
Jogging around Dyfi Forest offers a diverse landscape for runners. The region is characterized by extensive woodlands, river valleys, and rolling hills, providing varied terrain for running. These natural features create a dynamic environment for both gentle jogs and more challenging running routes. The forest's composition makes it suitable for exploring different types of trails.
Last updated: May 11, 2026
58.1km
08:13
2,750m
2,760m
Hard run. Very good fitness required. Sure-footedness, sturdy shoes and alpine experience required.
5
runners
5.18km
00:40
180m
180m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5
runners
11.7km
01:25
340m
340m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
6
runners
9.98km
01:12
300m
300m
Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
7
runners
10.6km
01:09
200m
200m
Moderate run. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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According to legend, Cader is named after a giant called Idris Gawr. 'Cadair Idris' means 'Chair of Idris' in English, while 'Cader' can also refer to an ancient fortress. The place is known as Cader Idris rather than Cadair, but both names are used. The most famous local fable is that if you spend the night on the mountain, you will go mad or become a poet. (Visit Wales)
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It is worth the effort. At the top, you enjoy a beautiful view in all directions. It cannot be captured in photos.
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The walk to bag the 633m summit of Tarrenhendre is not as popular or busy as those on its more famous neighbour on Cadair Idris, but you do get a nice, lovely, scenic and historic walk out of it. There are nice views to be had from the summit too. If you want to add another hill to your tally, then you can easily extend your walk to take in nearby Tarren y Gesail.
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Almost surreal, what an achievement, it looks like an awful lot of painstaking work and love has gone into the creation of this unique attraction. A steep but short walk uphill from Corris.
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A hidden gem engulfed in the ancient welsh jungle and its greenery has revealed even more of its fascinating secrets and an the amount of incredible mysteries to be left for us to enjoy and explore and uncover the hundreds of ornate Mediterranean-style structures from world wide.
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Little Italy has to be the most beautiful incredible place I’ve ever seen to date. A hidden gem engulfed in the ancient welsh jungle and its greenery has revealed even more of its fascinating secrets and an the amount of incredible mysteries to be left for us to enjoy and explore and uncover the hundreds of ornate Mediterranean-style structures. Volunteers at the site, dubbed the "Little Italy" of southern Eryri , have been astounded by the amount of the number of the 100’s of these miniature of replica Italian buildings built and nestled within a small woodland. That’s now been dubbed as the “Welsh Jungle” Over a quarter of a century Mr Bourne hauled thousands of buckets of water and ballast from the Afon Deri in the valley below to be mixed with concrete to make mortar. A modest Datsun 4x4 and trailer did some of the heavy lifting but, for the final stretch, up through the garden, sheer physical strength was required. The area is dotted with iconic Italian structures ranging from the Duomo of Florence to the Rialto Bridge of Venice. Among the more recent finds are some unexpected elements a miniature Italian and English version of villages, a cat cemetery, and what appears to be a Venetian canal, which may have once carried flowing water. Each discovery further amplifies the admiration and dedication of Jonathan Fell holds and cares for the site's as creators, to honour the man who took over 25 years to build such an impressive site. His name Mark Bourne he and his wife Muriel both together had built. The incredible homage to one of that is an Italian architecture, located on the fringes of the village of Corris, located between Dolgellau and Machynlleth, as a testament to their obsession, perseverance, and creativity. To replica the renowned Italianate village of the Portmeirion village that’s located in Porthmadog.
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While Dyfi Forest is known for its challenging terrain, it does offer a good number of moderate running routes suitable for those looking for a less strenuous experience. There are 37 moderate routes available. For example, the Corris – Idris Stores loop from Corris Uchaf is a moderate 5.2 km path that offers a pleasant run through the local surroundings.
Yes, many of the running routes in Dyfi Forest are designed as loops, offering a convenient way to explore the area without retracing your steps. Examples include the moderate Corris – Idris Stores loop from Corris Uchaf and the more challenging Corris Village – Corris loop from Esgairgeiliog Ceinws.
The Dyfi Forest area is served by local bus services, particularly around towns like Machynlleth and Corris. Some routes, such as those starting near the Centre for Alternative Technology, might be more accessible by public transport. It's advisable to check local bus timetables for the specific starting points of your chosen running route.
Many of the moderate routes in Dyfi Forest can be suitable for families, especially those with older children who are accustomed to running or walking on varied terrain. The shorter, less steep loops are generally the best options. Always check the route's difficulty and length before heading out with children.
Dyfi Forest is generally dog-friendly, with many trails welcoming well-behaved dogs. However, it's crucial to keep dogs under close control, especially in areas with livestock or wildlife. Always follow the Countryside Code, keep dogs on a lead where required, and clean up after them.
You'll find amenities such as cafes and small shops in nearby villages like Corris and Machynlleth. The Centre for Alternative Technology, which is a starting point for some routes like the Corris – Idris Stores loop, also has a cafe and facilities.
The Dyfi River and its tributaries flow through the forest, offering opportunities for wild swimming in certain spots. Always exercise caution, check water conditions, and be aware of private land or restricted areas. Local knowledge or specific wild swimming guides for the region would provide the best recommendations.
While running in Dyfi Forest, you can encounter various natural and historical points of interest. The forest itself is a major attraction, with its dense woodlands and river valleys. You might also pass by former slate mining areas, offering glimpses into the region's industrial heritage. For specific highlights, consider exploring areas around the Climachx Trail, which features forest sections.
The running routes in Dyfi Forest vary significantly in length. You can find shorter loops around 5 km, such as the Corris – Idris Stores loop from Corris Uchaf, up to much longer and more challenging trails. The average length of the 69 available routes is approximately 10 km.
Spring and autumn are often considered the best times for running in Dyfi Forest, offering pleasant temperatures and beautiful scenery with changing foliage. Summer can be warm but provides longer daylight hours. Winter running is possible, but trails can be muddy or icy, requiring appropriate gear and caution.
There are over 60 dedicated running routes available in Dyfi Forest, offering a wide range of distances and difficulties to suit different preferences and fitness levels.
The running trails in Dyfi Forest are highly rated by the komoot community, with an average score of 4.4 stars from nearly 1,000 visitors. Runners often praise the diverse forest and hill landscapes, the variety of terrain, and the opportunity to explore both gentle jogs and more challenging trails.
Parking is generally available at key access points and trailheads around Dyfi Forest, particularly near villages like Corris and Machynlleth, or at specific visitor centers such as the Centre for Alternative Technology. Always look for designated parking areas and be mindful of local residents.


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