4.3
(159)
1,476
hikers
2
hikes
Bus station hiking trails around Llyn Clywedog explore the Cambrian Mountains in Mid Wales, an area characterized by rolling hills, dense forests, and open hilltops. The landscape features the man-made Llyn Clywedog reservoir, which integrates with the natural environment. Hikers encounter varied terrain, including narrow valleys and elevated viewpoints. The region offers routes that provide views across the water and towards features like the Clywedog Dam and Bryn y Fan summit.
Last updated: June 29, 2026
2.0
(1)
8
hikers
18.6km
05:12
360m
360m
Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.0
(1)
3
hikers
7.71km
02:12
180m
180m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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4.7
(3)
11
hikers
11.2km
03:18
330m
330m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Built primarily to regulate the flow of water in the River Severn, the Clywedog Dam is an impressive sight. It's the tallest concrete dam in Britain, at 236 feet (72 m) high, while it's also 750 feet (230 m) wide. There are two marked hiking trails on the reservoir.
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Starting from the western outskirts of Carno village, this open track, composed of a mix of grass and gravel, ascends steeply towards Bryn Amlwg. As you climb, enjoy the breathtaking vistas of the expansive moorland, punctuated by the towering turbines of the Carno Wind Farm.
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Perched atop the plateau-like summit of Bryn Amlwg, this trig point rises to 1,601 feet (488 m). From this vantage point, you can spot the numerous wind turbines of the Carno wind farm dotting the landscape in the distance.
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Llyn Clywedog was the Tallest in the British Isle built purposely to control the level of water to help prevent any future flooding from the source of the River Seven. By Building this absolutely incredible huge 6 mile long dam, one that was the tallest in the British isles, which is amazingly huge in actual size all around! This mammoth body of water is solely to take the huge pressure off the constant mass of floods which would fill up and submerge the surrounding valleys! At the foot of the dam there is a remains of a old lead mine! All structures you can see standing still today. HIGHLY RECOMMEND
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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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There are currently 4 hiking trails around Llyn Clywedog that are easily accessible from bus stations, primarily in Llanidloes. These routes offer a range of distances and difficulties, allowing you to explore the diverse landscapes of the Cambrian Mountains.
The town of Llanidloes is an excellent hub for bus-accessible hikes. Routes like the Llanidloes – Start of Climb Up the Severn loop, the challenging Llanidloes – Clywedog Dam loop, and the shorter Llanidloes – St Idloes Parish Church loop all begin conveniently from Llanidloes, which has regular bus services.
While many routes offer moderate challenges, the Llanidloes – Start of Climb Up the Severn loop is a moderate 9.5 km route with manageable elevation, making it suitable for those looking for a less strenuous option from a bus-accessible starting point. The area also features gentler paths like those in Hafren Forest, though direct bus access to all of these specific points might require further local transport planning.
Yes, all the listed bus-accessible hikes are circular routes, meaning you'll finish back at your starting point, which is convenient for public transport users. For example, the Llanidloes – Clywedog Dam loop is a challenging 18.5 km circular hike directly from Llanidloes.
Hikes in this area offer diverse scenery. You can expect rolling hills, dense forests, and panoramic views of the Llyn Clywedog reservoir. The impressive Clywedog Dam itself is a significant landmark, Britain's tallest concrete dam, and can be seen on routes like the Llanidloes – Clywedog Dam loop. You might also spot local wildlife, including red kites and buzzards.
Yes, the region is rich in history. The historic Bryntail Lead Mines, with their surviving buildings, offer a glimpse into the area's industrial past and are located dramatically beneath the Clywedog Dam. While not directly on every bus-accessible route, they are a significant point of interest in the wider Llyn Clywedog area.
The suitability for families depends on the route's length and difficulty. Shorter, moderate routes like the Llanidloes – Start of Climb Up the Severn loop (9.5 km) might be manageable for older children. For younger families, consider shorter sections or exploring the more accessible paths within Hafren Forest, though these might require a short taxi ride from a bus stop.
Generally, dogs are welcome on most public footpaths and trails around Llyn Clywedog. However, it's always best to keep them on a lead, especially near livestock, and to follow the Countryside Code. Be mindful that some areas, particularly nature reserves, may have specific restrictions. Always carry water for your dog.
Spring and autumn offer pleasant temperatures and beautiful scenery, with vibrant colours in the foliage. Summer is also popular, but trails can be busier. Winter hikes are possible, but be prepared for colder, potentially wet or icy conditions, especially on higher ground, and ensure you have appropriate gear and check local weather forecasts.
Llanidloes, being the primary bus-accessible starting point for many routes, offers several pubs, cafes, and shops where you can refuel before or after your hike. It's advisable to check opening times, especially if you're hiking outside of peak season.
The terrain varies from well-maintained paths and forest tracks to more rugged, undulating trails across open hillsides. You can expect some ascents and descents, offering panoramic views. Routes like the Bryn Amlwg Track – Bryn Amlwg Trig Point loop involve climbing to a trig point for expansive vistas, while others follow reservoir shores or woodland paths.
The trails around Llyn Clywedog are highly rated by the komoot community, with an average score of 4.2 stars. Reviewers often praise the tranquil atmosphere, the stunning reservoir views, the sense of remoteness, and the opportunity to experience the natural beauty of Mid Wales without needing a car.


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