4.4
(168)
2,697
riders
27
rides
No traffic touring cycling routes around Llyn Syfaddan traverse a landscape characterized by rolling hills, lush woodlands, and expansive meadows. This area, nestled within the Bannau Brycheiniog (Brecon Beacons) National Park, features the largest natural lake in South Wales. The terrain offers a mix of lakeside paths and routes that ascend into the surrounding hills, providing views over the Usk Valley and distant peaks.
Last updated: June 29, 2026
3
riders
20.0km
01:22
320m
320m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.0
(1)
4
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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2
riders
9.69km
00:53
230m
220m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
7
riders
32.6km
02:56
730m
730m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5.0
(1)
24
riders
49.3km
03:48
690m
690m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Llyn Syfaddan
Iconic part of the NCN, definitely one to visit to tick off the list!
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the lower reservoir has a nice flat road next to it, a welcome relief after the lumpy roads that lead to it from either direction.
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Great views and a very large plug hole at the end of the Dam
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This reservoir is located in the breathtaking Brecon Beacons of Wales. It is part of a series of reservoirs within the Taff Fechan Valley and was constructed between 1923 and 1927 to supply water to the South Wales Valleys and Cardiff. It's a gorgeous location to enjoy some time out in nature and features walking trails, woodland and lovely surrounding views.
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There are some lovely gravel rides around the reservoir starting from the base of the East bank, as well as a bumpier ride down the old coal track down into Talybont which conveniently ends at a pub!
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This is part of NCN route 8. Penyrallt hill itself is steep and climbs from 225 m in the west up to 294 m. It's a narrow, tree covered country lane so can be slippery and takes a while to dry. Fun though and not many cars.
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Llangasty (St Gastyn's Church). A lovely place to stop on the southern shore of the largest natural lake in south Wales.
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There are over 25 dedicated no traffic touring cycling routes around Llyn Syfaddan, offering a variety of experiences for different skill levels. You'll find a good mix of moderate and difficult options to explore the region's quiet lanes and scenic paths.
The best time for touring cycling around Llyn Syfaddan is generally from spring through autumn (April to October). During these months, the weather is milder, and the natural beauty of the Bannau Brycheiniog (Brecon Beacons) National Park is at its peak. Summer offers the longest daylight hours, while spring and autumn provide vibrant foliage and fewer crowds.
Yes, many of the no traffic touring cycling routes around Llyn Syfaddan are circular, allowing you to start and end in the same location. For example, the View of Llangorse Lake – Llangorse Lake (Llyn Syfaddan) loop from Llangors offers a moderate 29.4 km ride with beautiful lakeside views.
The routes around Llyn Syfaddan traverse diverse landscapes, including rolling hills, lush woodlands, and expansive meadows. You'll cycle along serene lakeside paths, enjoy views over the Usk Valley, and catch distant vistas of iconic peaks like Pen-y-Fan and the Black Mountains. The area is a Site of Special Scientific Interest (SSSI) and a Special Area of Conservation (SAC), known for its rich plant life and wildlife.
While there are no routes specifically graded as 'easy' in this selection, many of the moderate routes can be enjoyed by families with some cycling experience. Routes with less elevation gain, such as the Twmpan Motte – View from Allt-yr-Esgair loop from Pennorth (9.7 km with 226m elevation), offer a good introduction to the area's quiet lanes and scenic beauty.
Llyn Syfaddan is rich in history and natural beauty. You can discover the only known crannog (an ancient artificial island settlement) in Wales, located about 40 meters from the north shore of the lake. The Llangasty Nature Reserve is also a key attraction for wildlife, particularly water voles and rare damselfly species. Many routes offer continuous scenic views of these natural and historical points of interest.
Parking facilities are available in and around the village of Llangors, which serves as a convenient starting point for many routes. Specific parking information for individual routes can often be found on their respective komoot tour pages.
The touring cycling routes around Llyn Syfaddan are highly rated by the komoot community, with an average score of 4.36 stars. Reviewers often praise the quiet lanes, stunning natural beauty, and the variety of routes that cater to different fitness levels, making it an ideal destination for traffic-free cycling.
Yes, for experienced riders seeking a challenge, there are several difficult no traffic touring cycling routes. An example is the Bwlch Village – Castell Blaenllynfi loop from Bwlch, which covers 33.5 km with over 740m of elevation gain, offering significant ascents and rewarding views.
While public transport options to the immediate vicinity of Llyn Syfaddan can be limited, the Brecon Beacons National Park area is served by some bus routes. It's advisable to check local bus schedules and routes in advance, particularly for services connecting to villages like Llangors or Bwlch, which are common starting points for cycling tours.
Yes, you'll find facilities such as cafes and pubs, particularly in the village of Llangors and other small settlements along or near the routes. These provide convenient spots for refreshments and breaks during your ride.
The elevation gain varies significantly depending on the route's difficulty. Moderate routes might have around 200-400 meters of elevation, such as the Penyrallt Hill – View of the Welsh Countryside loop from Llangors with 318m. More difficult routes, like the Talybont Reservoir – Pontsticill Reservoir loop from Talybont-on-Usk, can feature over 690 meters of ascent, offering more strenuous climbs.


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