4.7
(80)
1,638
riders
53
rides
Mountain biking around Corris offers access to a landscape shaped by the Dyfi Forest and its historic slate mining past. The region features a network of gravel tracks, natural slate trails, and technical descents through steep, forested valleys. Situated near Eryri (Snowdonia) National Park, the area provides a dramatic backdrop for mountain bike routes. This diverse terrain caters to various skill levels, from cross-country to challenging enduro riding.
Last updated: April 25, 2026
4.4
(14)
351
riders
14.8km
01:26
340m
340m
Get ready to mountain bike the ClimachX MTB Trail, a moderate route that takes you deep into the Dyfi Forest. This 9.2-mile (14.8 km) trail features a mix of natural…
5.0
(1)
11
riders
43.6km
04:21
960m
960m
The Mach 3 Trail offers a difficult mountain biking experience, taking you deep into the remote hills of Eryri (Snowdonia) National Park. You will cover 27.1 miles (43.6 km) with…

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5.0
(2)
53
riders
15.2km
01:38
520m
520m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.0
(2)
50
riders
15.9km
01:35
440m
440m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(1)
19
riders
18.5km
01:33
410m
410m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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the hills will wear you down and the trails may be blocked but don't let that stop you
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Stayed at The Wynnstay, perfect place to prepare for starting the Traws Eryri the following day...
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A former slate village with a certain type of raw beauty, Corris is a little tourist honeypot. It is set within the Dyfi Forest and boasts a few attractions such as a craft centre, a centre for alternative technology, along with a narrow-gauge railway and museum. Ohhh did I mention bike trails? It has a never ending supply of them!
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Machynlleth is a very popular, pretty and historic market town at the head of the beautiful Dyfi estuary. It is a mecca for its never ending supply of bike trails. It is also an ideal base for exploring the neighbouring countryside. The Dyfi Valley, Snowdonia National Park, Tal-y-Llyn Railway, Clywedog Reservoir, the Vale of Rheidol Railway and Devil's Bridge gorge are all within easy reach of Machynlleth.
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Like many villages in the region, Corris owes much of its existence to the former slate industry. It enjoys a tranquil setting in the Dulas Valley, not far from the boundary of Eryri (Snowdonia) National Park. Visitors can enjoy the narrow gauge railway and museum or explore the hills of the surrounding Dyfi Forest. There are a couple of cafes and a number of accommodation options.
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A prominent landmark in the centre of Machynlleth, the Clock Tower was built in 1874 to mark the coming of age of the eldest son of the Fifth Marquess of Londonderry. It marks the southern termination of the Snowdonia Way long-distance trail. For supplies, there are plenty of places to stock up in the town.
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Corris offers a wide selection of mountain biking opportunities, with over 50 routes available on komoot. These trails cater to various skill levels, from moderate cross-country rides to demanding technical descents through the Dyfi Forest and historic slate mining landscapes.
Yes, Corris has several options suitable for families. While many trails offer a challenge, there are 9 easy routes and 35 moderate routes that can be enjoyed by those with good fitness. For a moderate option, consider the Mountainbike loop from Centre for Alternative Technology, which is 7.6 km long and leads through forested areas.
The terrain around Corris is diverse, shaped by the Dyfi Forest and its industrial heritage. You'll encounter a mix of gravel tracks, old drovers roads, quiet back roads, and natural slate trails. Many routes feature technical descents through steep, forested valleys, with natural features like rock, loam, roots, and drops. The area is particularly known for its aggressive enduro riding opportunities.
Many trails in the Corris area, especially those through Dyfi Forest, are generally dog-friendly, but it's always best to check specific route details on komoot for any restrictions or recommendations. Be mindful of livestock in open areas and keep dogs under control, especially in nature reserves like Abercorris, which features old broad-leaved woodland and serves as a spawning ground for salmon.
The Corris area is rich in natural beauty. You can expect dramatic scenery with numerous waterfalls and mountain passes. The majestic Cadair Idris mountain, often called the 'Snowdon of southern Eryri (Snowdonia)', offers imperious cliffs and enticing ridges. For breathtaking views, consider routes that pass by highlights such as Penygadair summit, Cadair Idris, or View of Llyn Cau from Craig Cwm Amarch. You might also discover secret waterfalls within old slate quarries.
Yes, many of the mountain bike trails around Corris are designed as loops, offering a complete experience without retracing your steps. An example is the Corris Village – Corris loop from Esgairgeiliog Ceinws, a moderate 15.2 km ride. Another is the Tony the Tiger Trail – Idris Stores loop from Aberllefenni, which is a moderate 15.9 km loop.
Beyond mountain biking, Corris offers a glimpse into its rich history and culture. You can explore the Corris Craft Centre, delve into Welsh legends at King Arthur's Labyrinth, or discover the abandoned workings of the Braichgoch Slate Mine with Corris Mine Explorers. The preserved Corris Railway also offers a historical journey, and the Centre for Alternative Technology demonstrates sustainable practices.
The Corris region offers mountain biking opportunities throughout much of the year. However, the diverse terrain, including natural slate trails and forested valleys, can be particularly challenging in wet conditions. Spring and autumn often provide pleasant temperatures and vibrant scenery, while summer offers longer daylight hours. Always check local weather conditions before heading out, especially during winter when trails can be more demanding.
The mountain bike trails around Corris are highly regarded by the komoot community, with an impressive average rating of 4.7 stars from over 70 reviews. More than 1,500 mountain bikers have used komoot to explore the varied terrain, often praising the challenging descents, stunning natural landscapes, and the extensive network of trails within Dyfi Forest.
Absolutely. Corris is well-known for its challenging trails, particularly suited for aggressive enduro riding. The region features technical descents through trees, roots, rocks, and drops. For experienced riders seeking a demanding adventure, the South Machynlleth and Glaslyn loop — Eryri (Snowdonia) National Park is a difficult 43.6 km path requiring very good fitness and advanced skills.
Corris is nestled in mid-Wales, and while public transport options exist, they may be less frequent than in urban areas. Machynlleth, a nearby town, serves as a local hub with train and bus connections. From Machynlleth, local bus services can connect you to Corris. Planning your journey in advance and checking schedules is recommended, especially if you're bringing a bike.
While specific designated mountain bike parking areas may vary, Corris and the surrounding Dyfi Forest region generally offer parking options. Many trailheads or nearby villages will have public car parks. It's advisable to check local signage and regulations, especially when parking near popular trail access points or within the Snowdonia National Park boundaries, to ensure responsible parking.


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