4.4
(15)
168
riders
20
rides
Touring cycling routes around Llanidloes are set within the heart of Mid Wales, characterized by the rolling hills of the Cambrian Mountains. The region features expansive forests like Hafren Forest and the striking Llyn Clywedog reservoir, offering varied terrain for cyclists. The upper reaches of the River Severn also flow through the area, providing additional natural features. This landscape provides a mix of gradients and scenic backdrops for touring cyclists.
Last updated: June 23, 2026
4.6
(7)
34
riders
28.5km
02:01
530m
530m
Embark on a difficult touring bicycle journey through the heart of Wales with the Llyn Clywedog & Hafren Forest loop from Llanidloes. This challenging route spans 17.7 miles (28.5 km) and involves a significant climb of 1744 feet (532 metres), typically taking about 2 hours and 1 minute to complete. As you pedal, you will navigate through dense woodlands of Hafren Forest, offering a deep immersion into diverse Welsh landscapes. The trail also skirts the expansive Llyn Clywedog reservoir, where you can enjoy panoramic views across the water. Look out for the impressive Severn Break-its-Neck waterfall, a natural highlight along your ride.
Planning your visit is straightforward, as the route is known for its relatively traffic-free roads, providing a peaceful cycling experience. You will find several opportunities to pause and rest, such as at the Afon Biga picnic area or a scenic viewpoint situated above the Clywedog dam. The path is predominantly paved, ensuring a smooth ride for most of its duration, with only short unpaved sections to navigate. Consider starting your ride early to make the most of the tranquil conditions.
This area is rich in both natural beauty and historical intrigue. Beyond the stunning reservoir and forest, you might spot local wildlife, including majestic red kites and buzzards soaring overhead. The route also passes the historic abandoned Bryntail mine buildings, offering a glimpse into the region's industrial past. This combination of natural and historical elements makes the Llyn Clywedog & Hafren Forest loop a distinctive and rewarding touring bicycle adventure in Mid Wales.
2.0
(1)
16
riders
31.7km
02:10
510m
510m
Embark on a challenging touring bicycle ride around the Llyn Clywedog loop, starting from Llanidloes. This route covers 19.7 miles (31.7 km) and features a significant elevation gain of 1681 feet (512 metres), making it a difficult journey that takes approximately 2 hours and 10 minutes to complete. As you pedal, you will experience the varied contours of the Welsh hills, cycling closely alongside the striking Llyn Clywedog reservoir. Keep an eye out for the Hafren Forest Waterfall as you pass through the expansive Hafren Forest, enjoying panoramic views of the Upper Severn Valley from higher elevations. The atmosphere is one of serene natural beauty, with rolling hills stretching into the distance.
Your touring bicycle adventure begins and ends in Llanidloes, a welcoming town known for its distinctive Old Market Hall. Parking is generally available in Llanidloes, making it a convenient spot to start your ride. The roads along this loop are typically traffic-free, which contributes to a more pleasant cycling experience. Plan your visit to allow ample time to enjoy the scenery without feeling rushed.
This route offers a unique opportunity to explore the engineering marvel of the Llyn Clywedog reservoir, which was created by damming the Clywedog river. The reservoir is a central feature of the landscape, providing ever-changing views as you cycle its perimeter. Beyond the reservoir, the trail showcases the broader natural beauty of the region, from the dense Hafren Forest to the sweeping vistas of the Upper Severn Valley. It is a journey through both natural and man-made landscapes.

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5.0
(1)
17
riders
30.1km
02:14
660m
660m
Embark on a difficult touring bicycle adventure around the Llyn Clywedog loop from Llanidloes, covering 18.7 miles (30.1 km) with a substantial 2172 feet (662 metres) of elevation gain. This challenging route, typically completed in about 2 hours and 13 minutes, takes you through varied terrain, including paved roads, single-track, and short unpaved sections. You will experience a long, gentle climb out of Llanidloes, followed by undulating sections and two steep ascents near the reservoir, all while enjoying expansive views of the Welsh countryside.
Planning your ride requires good to very good fitness levels, as the sustained ascents make this loop less suitable for beginners. The route starts and finishes in the scenic town of Llanidloes, offering a convenient base for your journey. Be ready for the demanding climbs, especially one away from the lake that rewards you with spectacular vistas extending towards the English border.
Along the way, you will encounter several notable features that enrich the experience. Marvel at the impressive Llyn Clywedog Reservoir and its 72-meter high dam, a central landmark of the loop. Cycle through the beautiful Hafren Forest, known for its natural beauty, and pass the historic abandoned Bryntail Mine Buildings, offering a glimpse into the region's industrial past. Keep an eye out for local wildlife, including ospreys, red kites, buzzards, and ravens, particularly within the forest.
6
riders
61.8km
03:59
740m
740m
Embark on a challenging touring bicycle adventure with the Llyn Clywedog & Llanbrynmair loop from Llanidloes. This difficult route spans 38.4 miles (61.8 km) and features a significant elevation gain of 2420 feet (737 metres), taking you around 3 hours and 59 minutes to complete. You will experience truly wonderful scenery as you cycle along the expansive Llyn Clywedog reservoir, offering views of dense forests, rolling mountains, and the impressive Clywedog Dam. The trail often follows the water's edge and winds through the tranquil Hafren Forest, providing a rewarding experience for cyclists with very good fitness.
When planning your visit, be aware that while much of the route uses quiet, paved country roads, some sections may be unpaved and quite difficult, potentially requiring you to push your bike. This loop is demanding, featuring both long, gradual climbs and steep ascents, with some gradients reaching 25 percent or more. Parking is generally available in Llanidloes, which serves as the convenient starting point for this remote and scenic journey.
Beyond the physical challenge, this route offers a chance to immerse yourself in the natural and historical richness of Mid Wales. As you cycle through the Hafren Forest, keep an eye out for opportunities for bird watching, including sightings of ospreys and red kites. Near the Clywedog Dam, you will also pass the historical Bryntail Lead Mines, providing a fascinating glimpse into the region's industrial past set against a backdrop of stunning natural beauty.
3
riders
48.3km
03:15
720m
720m
This difficult touring bicycle loop from Llanidloes takes you on a 30.0-mile (48.3 km) journey through the scenic Upper Severn Valley and Hafren Forest. You will gain 2350 feet (716 metres) in elevation over approximately 3 hours and 14 minutes of riding. Expect a mix of gentle long climbs, undulating sections, and two steep ascents, all on mostly paved, traffic-free roads. A highlight is the Hafren Forest Waterfall, where the River Severn dramatically descends, and the expansive views over Llyn Clywedog.
To plan your ride, start in Llanidloes, where you can find food and drink options before you set off. The route features a peaceful descent back into Llanidloes at the end. You will also find toilet facilities available at the Rhyd-y-Benwch car park and picnic area within Hafren Forest. Consider a short diversion to the Afon Biga picnic area for a break.
The Hafren Forest, named after the Welsh for the River Severn, is a significant feature, originally planted for timber but now a popular outdoor destination. Part of your ride through the forest follows National Cycle Network Route 8, also known as Lôn Las Cymru. You can also visit the viewing area above the Llyn Clywedog dam and the abandoned mine buildings at Bryntail for a glimpse into the area's history.
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This cycle section is a bike tourer's dream road. A minor road which descends through the natural beautiful woodland that is Hafren forest to Llanidloes.
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Llanidloes is built on an area of flat land around the river Severn confluence where it is joined by the Afon Clywedog. The town bridge area is particularly scenic as is the town itself.
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Llani Bikes bike hire and sales, spares and repairs. Opening Times Tuesday – Saturday 10am – 4pm (closed Sunday).
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Small local bike shop. Pop in for a chat or for any spares or repairs. They also sell new bikes and second hand bikes so do have a look, you may find a bit of a beauty to add to your collection! You can also hire if you need to borrow a bike. Open Tuesday to Saturday 10:00 - 16:00.
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Bike shop and hire really good here if you need a repair in the middle of Wales
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The touring cycling routes around Llanidloes primarily cater to cyclists looking for a challenge. Most routes are classified as difficult, with a few options rated as moderate. This reflects the region's hilly terrain within the Cambrian Mountains, offering rewarding climbs and descents.
Yes, Llanidloes serves as a great starting point for longer rides. For example, the Llyn Clywedog & Llanbrynmair loop from Llanidloes covers over 61 km (38 miles). Additionally, Llanidloes is connected to wider networks, with Sustrans National Cycle Routes 8 (Lôn Las Cymru) and 81 (Lon Cambria) passing through the town, offering opportunities for extended touring across Wales.
Touring cyclists in Llanidloes can enjoy a variety of stunning natural features and landmarks. Routes often pass through the expansive Hafren Forest, offering serene environments and the chance to see the Hafren Cascades Boardwalk. The striking Llyn Clywedog reservoir, with its impressive dam, is a prominent feature on many loops. You'll also encounter the upper reaches of the River Severn, which originates nearby, and the rolling hills of the Cambrian Mountains.
Yes, you can incorporate waterfalls into your touring cycling experience. The Caersws & Hafren Forest Waterfall loop from Llanidloes specifically highlights the waterfalls within Hafren Forest, such as the Severn Break-its-Neck. The Hafren Cascades Boardwalk is also a notable point of interest.
The touring cycling routes around Llanidloes are highly rated by the komoot community, with an average score of 4.75 stars from over 13 reviews. Cyclists often praise the stunning natural scenery, particularly the quiet forest environments of Hafren Forest and the breathtaking views around Llyn Clywedog. The challenging yet rewarding terrain of the Cambrian Mountains is also a frequently mentioned highlight.
Yes, many of the touring cycling routes around Llanidloes are circular, making them convenient for day trips. Popular options include the Llyn Clywedog & Hafren Forest loop from Llanidloes and the Llyn Clywedog loop from Llanidloes, both offering scenic circuits starting and ending in the town.
Absolutely. The region around Llanidloes has a rich history. While cycling, you can discover remnants of past lead and silver mining industries, such as the abandoned Bryntail Lead Mine buildings near Llyn Clywedog. The town of Llanidloes itself offers historical attractions like the 17th-century timber-framed Old Market Hall and St. Idloes Church.
Yes, Llanidloes is an excellent base for touring cyclists looking to explore Mid Wales. Its central location in the Cambrian Mountains, combined with access to National Cycle Routes 8 and 81, allows for diverse cycling adventures. The town also offers support for cyclists, including bike hire and repair services.
The natural environments around Llanidloes are rich in wildlife. When cycling through Hafren Forest, you have a good chance of spotting red kites, which are frequently seen in the area. The Glaslyn Nature Reserve, also nearby, features trails ideal for exploring rare flora, adding to the biodiversity you might observe.
After a day of cycling, Llanidloes offers charming attractions. You can explore the distinctive 17th-century timber-framed Old Market Hall, visit St. Idloes Church with its 15th-century hammer-beam roof, or follow the fun Llanidloes Dragon Trail through the streets. For more information on the town, you can visit Visit Mid Wales.
While touring cycling is possible year-round, the spring, summer, and early autumn months generally offer the most favorable conditions in Llanidloes. During these seasons, the weather is typically milder, and the natural landscapes are at their most vibrant. The Cambrian Mountains are also renowned for stargazing, offering incredible night sky views on clear evenings, particularly outside of peak summer.


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