The best gravel rides around Llyn Brianne
4.8
(4)
85
riders
6
rides
Gravel biking around Llyn Brianne offers extensive networks of wide, accessible gravel roads within the Cambrian Mountains. The terrain is characterized by rolling hills, natural woodlands, and the Llyn Brianne reservoir, situated almost 300 meters above sea level. These routes often feature undulating profiles with few sharp climbs, providing varied experiences through the Welsh wilderness. The area's hardpacked surfaces are suitable for gravel biking across different conditions.
Best gravel bike trails around Llyn Brianne
- The most popular gravel bike trail…
Last updated: May 5, 2026
5.0
(1)
5
riders
38.0km
02:44
730m
730m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
65.3km
05:07
1,370m
1,370m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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4.0
(1)
38
riders
50.4km
04:05
1,120m
1,110m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
1
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
28.7km
02:08
640m
640m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Tips from the Community
Cwm R MTB trail is completely blocked at top end due to hundreds of wind fallen trees this winter. Please consider before as you can not navigate loop.
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It was a truly stunning spot to take in the scenery from this elevated panoramic viewpoint. Highly recommended.
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A short climb up from the road brings you to the Dam and carpark, there is no access over the Dam itself. But you do get a good view over the spillway and valley below.
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Built in 1913 the Rhandirmwyn Bridge links the two sides of the Towy valley by this rivetted girder road bridge. On the southern side you'll find the Towy Bridge Inn, a lovely riverside pub.
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THE TALE OF THE WELSH “ROBIN HOOD” Known as Twm Siôn Cati Twm Siôn Cati is a historically known figure in Welsh folklore. A tale recounted by Meyrick recalls how Twm was asked by a poor man to steal a pitcher for him. They went together to a merchant where Twm started belittling the man's wares. Having told his friend secretly to take the pitcher of his choice, Twm distracted the merchant by telling him there was a hole in one of the pitchers, which the man denied. Twm desired him to put his hand in the pitcher to test it and the man still denied there was a hole. Twm then asked him how, if there was no hole, could he have put his hand inside? By this time his friend had disappeared with his pitcher, undetected. A tale from Prichard's book involves an occasion when Twm is staying in an inn overnight and realises other people are planning to rob him the following day after he sets off. He has a large sum of money with him. The following morning he behaves as though his money is in the pack-saddle of his horse. When the highwayman catches up, Twm drops the saddle in the middle of a pool. The highwayman wades into the pool to fetch it, Twm takes the opportunity to make off with the highwayman's horse. A complication arises because the horse responds to the voice of the highwayman crying "Stop!" Luckily Twm, in terror, happens to shout a word which makes the horse gallop on again, and he is conveyed to safety. Another tale recounts how Twm waylaid a rich squire, who was accompanied by his daughter, Twm was so smitten with her that he returned her jewellery to her and attempted to woo her, against her father's opposition and, initially, her own. One full moon shortly after the robbery, he crept to her window, roused her from sleep, caught her hand at the window and kissed it, refusing to let her go until she promised to marry him. She wouldn't promise so Twm drew his dagger, drew blood on her wrist and threatened to sever her hand unless she assented to marriage forthwith. She agreed to marry him and she kept her hand. Their marriage followed soon after, despite her father's views and the directness of Twm's courtship methods. The girl was supposedly the widow of the sheriff of Carmarthen. Through this marriage Twm is supposed to have gained respectability, eventually becoming a justice of the peace, sitting in judgement on others, a position he held until his death aged 79.
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More stunning forestry gravel that links the Tregaron mountain road over towards Tyn y Cornel hostel.
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maybe ok on a mountain bike, and maybe even ok coming down on a gravel bike, but going up with loaded bikepacking bags we were pushing all the way!
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Frequently Asked Questions
What kind of terrain can I expect on gravel bike trails around Llyn Brianne?
The Llyn Brianne area is known for its extensive network of wide, accessible gravel roads. You'll find mostly hardpacked surfaces, with routes that are generally gently undulating and feature few sharp climbs. This makes for an enjoyable experience through the wild Welsh landscapes, suitable for various fitness levels.
Are there any challenging gravel bike routes in Llyn Brianne?
Yes, Llyn Brianne offers several challenging routes. For instance, the View of Llyn Brianne – Llyn Brianne Dam loop from Rhandirmwyn is a difficult 44.2-mile (71.2 km) path that provides extensive views of the reservoir and its dam. Another demanding option is the Super Steep Climb – Forest Track loop from Pwll Yr Hyddod, which covers 31.3 miles (50.4 km) through natural woodlands.
What are some notable natural features or landmarks to see while gravel biking in the region?
The centrepiece is the spectacular Llyn Brianne reservoir and its dam, which is the UK's tallest at 91 meters (300 ft). You'll also ride through the wild Welsh landscapes of the Cambrian Mountains and extensive natural woodlands. The area is also a designated Dark Sky Discovery Site, offering exceptional stargazing opportunities.
Are there any routes that feature waterfalls?
Yes, the Bwlch Easgair Gelli Climb – Old Drovers' Road to Tregaron loop from Ffrwd Camddwr Waterfall is a 16.7-mile (26.8 km) route that starts near the Ffrwd Camddwr Waterfall, offering a chance to experience this natural feature.
What do other gravel bikers say about the trails in Llyn Brianne?
The gravel biking routes in Llyn Brianne are highly rated by the komoot community, with an average score of 5.0 stars. Reviewers often praise the stunning scenery, the extensive network of gravel roads, and the sense of wilderness found in the Cambrian Mountains.
Are there any circular gravel bike routes available?
Yes, many of the gravel bike routes in Llyn Brianne are designed as loops. For example, the Capel Soar y Mynydd – Old Drovers' Road to Tregaron loop from Rhandirmwyn is a popular 23.6-mile (37.9 km) circular trail exploring an old drovers' road. Another option is the Llyn Brianne Dam – The Towy Bridge Inn loop from Pwll Yr Hyddod, a 17.7-mile (28.5 km) loop.
What is the best time of year to go gravel biking in Llyn Brianne?
The hardpacked surfaces of the gravel roads in Llyn Brianne are generally capable of withstanding various weather conditions, making it accessible for much of the year. However, spring and autumn often offer pleasant temperatures and vibrant landscapes, while summer provides longer daylight hours. Always check local weather forecasts before heading out.
Are there opportunities to see wildlife while gravel biking?
Yes, the Llyn Brianne region is a haven for wildlife. You might spot red kites, buzzards, and otters, especially near the reservoir and rivers. The woodlands are also home to diverse species, including red squirrels. The RSPB Gwenffrwd-Dinas Nature Reserve, known for its birdlife, is also nearby.
How long do the gravel bike routes typically take to complete?
The duration of routes varies depending on their length and your pace. Some routes, like the Capel Soar y Mynydd – Old Drovers' Road to Tregaron loop from Rhandirmwyn, can take around 3 hours 31 minutes. Longer routes, such as the View of Llyn Brianne – Llyn Brianne Dam loop from Rhandirmwyn, may take over 7 hours to complete.
What other outdoor activities are available in the Llyn Brianne area besides gravel biking?
Beyond gravel biking, Llyn Brianne is excellent for walking and hiking, with trails like the Llyn Brianne Circular Walk. It's also a popular spot for fishing, particularly for brown and rainbow trout. Its status as a Dark Sky Discovery Site makes it ideal for stargazing, and the region is fantastic for wildlife watching.
Are there any nearby attractions or points of interest to visit?
While in the vicinity, you can explore the nearby Dolaucothi Gold Mines, which offer guided tours into Wales' mining history. A unique local landmark is also a famous red telephone box located on the mountain road between Tregaron and Abergwesyn.
Most popular routes around Llyn Brianne
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