5.0
(3)
62
riders
6
rides
Gravel biking around Llyn Clywedog offers varied terrain across rolling hills, dense forests, and winding valleys in Mid Wales. The region is characterized by the expansive Llyn Clywedog reservoir and the surrounding Hafren Forest, providing a network of paths and quiet roads. Riders can expect a mix of paved and unpaved sections, with gentle to steep climbs and undulating landscapes. The area's remote nature ensures a focus on no traffic gravel bike trails, ideal for exploration.
Last updated: July 12, 2026
2
riders
24.5km
02:16
760m
760m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
21.2km
01:38
430m
430m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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30
riders
117km
08:06
2,140m
2,140m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(3)
21
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
34.1km
02:39
780m
780m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Llyn Clywedog
tap was rusted shut when I was there last, but if someone is in you might be able to ask for some. The toilets down the road don't have running water taps.
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A good way into the valley. A flat out gravel surface that winds around the dams for miles
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Brilliant place to Cycle , either on road or Trails ...just Brill !!!
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From the gully to halfway along this section this is all very poached, windy and hike a bikey. Then you get over the hump of the hill and it all opens up. Hafren to your right with the first sight of Llyn Clywedog around the corner. Mid-Wales is a beautiful place to be on a sunny day, but bring some big and/or knobbly tyres and a good attitude whatever the weather.
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Our guide features 6 dedicated no-traffic gravel bike trails around Llyn Clywedog. These routes are carefully selected to offer a serene cycling experience away from vehicular traffic, allowing you to fully immerse yourself in the stunning Welsh landscape.
The gravel trails around Llyn Clywedog offer a varied experience. You'll encounter a mix of rocky gravel roads, forest paths, and single-track sections. While some routes feature gentle, undulating terrain, others include significant climbs. For example, the Slate Bridleway Descent – Dylife Gorge Viewpoint loop from Staylittle is rated difficult with over 750m of elevation gain, whereas the Hafren Forest Boardwalk – Hafren Forest Lane loop from Staylittle is a moderate option with around 430m of ascent.
While many routes in the area are rated moderate to difficult, the Hafren Forest offers some gentler sections that can be suitable for families, especially if you adapt the longer loops. The region's quiet forest paths and single-track roads provide a safe environment away from traffic, perfect for a family adventure. Always check the specific route details for elevation and distance to ensure it matches your family's capabilities.
Many routes provide breathtaking vistas. The area is known for its dramatic hills, dense forests, and the expansive Llyn Clywedog reservoir itself. Look out for trails that pass by the impressive Clywedog Dam, Britain's tallest concrete dam, or offer views from spots like 'The Look Out'. The Wind Turbine Trail – View of the Cambrian Mountains loop from Llangurig, for instance, promises panoramic views of the Cambrian Mountains.
Llyn Clywedog is suitable for gravel biking year-round, thanks to its predominantly rocky rather than muddy gravel roads. However, spring and autumn offer particularly pleasant conditions with vibrant foliage and comfortable temperatures. Winter riding is possible, but be prepared for colder weather and potentially shorter daylight hours. Always check local weather forecasts before heading out.
Parking is generally available at key access points for the trails. For routes starting near Staylittle, you'll find parking options in the village. If you're beginning your ride from Llanidloes, there are public car parks available. For trails within Hafren Forest, designated forest car parks are usually provided. Always check for specific parking information on individual route pages.
Yes, several of the no-traffic gravel bike routes in this guide are circular, allowing you to start and end at the same point. For example, the Slate Bridleway Descent – Dylife Gorge Viewpoint loop from Staylittle and the Hafren Forest Boardwalk – Hafren Forest Lane loop from Staylittle are both excellent circular options, perfect for a full day's adventure.
Many of the trails around Llyn Clywedog pass through public access land and forests where dogs are generally welcome, often on a lead. However, always be mindful of livestock, especially during lambing season, and ground-nesting birds. It's advisable to check specific local regulations for Hafren Forest or any other protected areas you plan to visit with your dog.
Beyond the natural beauty, the region offers glimpses into its past. The impressive Clywedog Dam itself is a significant landmark. You can also find the historical remains of the Bryntail Lead Mines, which are integrated into some walking and cycling routes like the Clywedog Gorge Trail. These sites provide a fascinating insight into the area's industrial heritage.
While the trails themselves offer a remote experience, you'll find amenities in nearby towns and villages. Llanidloes, a charming market town, offers a selection of cafes, pubs, and accommodation options. Staylittle also has some local facilities. It's a good idea to plan your route to pass through these spots if you're looking for a refreshment stop.
The routes vary significantly in length to cater to different preferences and fitness levels. They range from approximately 21 km, like the Hafren Forest Boardwalk – Hafren Forest Lane loop from Staylittle, up to a challenging 116 km for the extensive Craig Goch Dam – Caban-Coch Dam and Reservoir loop from Llanidloes. This variety ensures there's a suitable option whether you're looking for a shorter ride or a full-day epic.


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