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Routes
MTB trails
United Kingdom
Wales
Powys

Cors Y Llyn National Nature Reserve

Routes
MTB trails
United Kingdom
Wales
Powys

Cors Y Llyn National Nature Reserve

The best MTB trails around Cors Y Llyn National Nature Reserve

4.5

(10)

267

riders

18

rides

Mountain biking around Cors Y Llyn National Nature Reserve offers a network of trails through varied Welsh countryside. The region is characterized by rolling hills, dense woodlands, and open moorland, providing diverse terrain for mountain bikers. Many routes utilize existing bridleways and forest tracks, making it suitable for exploring the natural landscape. The area's elevation changes provide both challenging climbs and rewarding descents.

Best mountain bike trails around Cors Y Llyn National Nature Reserve

  • The most popular mountain bike trail…

Last updated: August 29, 2026

5.0

(3)

81

riders

#1.

Builth Wells – Builth Bull Statue loop from Builth Road

63.7km

05:33

1,150m

1,150m

Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

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Hard

Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

Hard
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Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate
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Popular around Cors Y Llyn National Nature Reserve

Cycling around Cors Y Llyn National Nature Reserve

Hiking around Cors Y Llyn National Nature Reserve

Running Trails around Cors Y Llyn National Nature Reserve

Road Cycling Routes around Cors Y Llyn National Nature Reserve

Tips from the Community

William Powrie
August 18, 2026, Builth Wells

Route 8 comes into Builth Wells through a lovely park along the river. The Asda Express at the petrol station, visible from Route 8, is also a useful place to pick up supplies.

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A highlight for all the wrong reasons. as you head around the hairpin turn you will soon notice the ferns plus the terrain are not ridable. Get bars caught and down you will fall. Plus half of what you are stood on is just flattened ferns rather than soil which fell away underfoot. Managed to walk it while dragging my bike alongside me dangling down the hill. Please check your routes with a map as this is the 2nd komoot route that has directed me through areas that you currently just cant ride

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Great views far and wide & also the Fforest Fields campsite we stayed at which was very friendly and relaxed. Amazingly organised, clean and great amenities such as a lake, bar / cafe, guest food vans during the week and 24 hour shop.

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This life-size statue of a Welsh Black bull stands near the town's Wye Bridge. Made from bronze, the Builth Bull weighs 1.5 tons and was created by Gavin Fifield, a local sculptor. It was unveiled on 28 November 2005 to coincide with the first day of that year's Royal Welsh Winter Fair.

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Great picturesque trail cutting out the road and yes gates

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Burial place of an unknown person. Was he a pedlar buried on the hillside where he died? Or a villain buried away from the church in un-consecrated ground?

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Hotswells
January 31, 2023, Builth Wells

A good place to stock up with supplies on Route 8. Friday is market day.

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Adie
January 23, 2023, Glascwm Climb

By my reckoning it's about a 103m elevation gain, topping out at 392m, over a distance of a fraction over 1km - an overall 10% climb, with a short steeper section to test you out midway.

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Frequently Asked Questions

How many mountain bike trails are available around Cors Y Llyn National Nature Reserve?

There are 18 mountain bike trails recorded in the Cors Y Llyn National Nature Reserve area on komoot. These routes offer a variety of experiences across the region's rolling hills and woodlands.

What is the overall difficulty level of mountain biking in Cors Y Llyn National Nature Reserve?

The trails around Cors Y Llyn National Nature Reserve cater to various skill levels. There are 3 easy routes, 13 moderate routes, and 2 difficult routes, ensuring options for beginners to experienced riders.

Are there mountain bike trails suitable for beginners in Cors Y Llyn National Nature Reserve?

Yes, there are 3 easy mountain bike routes available, perfect for beginners or those looking for a more relaxed ride. These trails typically feature less challenging terrain and elevation changes.

What are some challenging mountain bike trails for experienced riders?

For experienced riders seeking a challenge, consider routes like Builth Wells Bridge – Co-op, Builth Wells loop from Builth Road. This difficult 32.3-mile (52.1 km) trail features significant elevation gain and demanding sections through the local landscape.

What is the typical length and duration of mountain bike trails in this area?

Trail lengths vary significantly. You can find shorter routes, but many trails are moderate to long, ranging from around 15 miles (24 km) up to nearly 40 miles (64 km). Durations can range from a couple of hours to over 5 hours for the longer, more challenging rides.

Are there any longer mountain bike routes for full-day adventures?

Yes, for a full-day adventure, the Co-op, Builth Wells – Bridleway Trail loop from Builth Road is a difficult 39.6-mile (63.8 km) trail that typically takes around 5 hours 34 minutes to complete, offering extensive exploration of the area.

Are the mountain bike trails around Cors Y Llyn National Nature Reserve family-friendly?

While some routes are challenging, there are easy and moderate trails that can be suitable for families, especially those with some mountain biking experience. It's best to check the specific route details for distance and elevation before heading out with children.

Can I bring my dog on the mountain bike trails?

Many routes in the area utilize existing bridleways and forest tracks, where dogs are generally permitted. However, as it's a National Nature Reserve, it's always advisable to keep dogs under close control, especially near livestock or sensitive wildlife areas, and to check local signage for any specific restrictions.

Where can I find parking for mountain biking near Cors Y Llyn National Nature Reserve?

Specific parking information for each trailhead is often available within the individual komoot tour descriptions. Generally, you can find parking in nearby villages or designated car parks that serve the wider area, often near the start points of popular routes.

What is the best time of year for mountain biking in Cors Y Llyn National Nature Reserve?

The spring, summer, and early autumn months generally offer the most favorable conditions for mountain biking, with milder weather and drier trails. However, the region's varied terrain means that conditions can change, and some trails may be rideable year-round, weather permitting.

Are there any mountain bike trails with good viewpoints?

The region's rolling hills and open moorland naturally offer numerous opportunities for scenic viewpoints. Routes like Viewpoint Above Fforest Fields – Co-op, Builth Wells loop from Builth Road explicitly mention viewpoints, providing rewarding vistas of the Welsh countryside.

What do other mountain bikers enjoy the most about mountain biking in Cors Y Llyn National Nature Reserve?

The area is highly rated by the komoot community, with an average score of 4.6 stars. Reviewers often praise the diverse terrain, the network of bridleways through dense woodlands and open moorland, and the challenging climbs followed by rewarding descents.

Are there any mountain bike trails that pass by a pub or cafe?

While specific routes may not directly pass a pub, many trails start or end near towns and villages like Builth Wells, where you can find local pubs and cafes to refuel after your ride. It's a good idea to check the route map for proximity to amenities.

Most popular routes around Cors Y Llyn National Nature Reserve

Cycling around Cors Y Llyn National Nature Reserve

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