4.6
(367)
2,718
hikers
58
hikes
Hiking around Treflys offers a variety of trails through the Elan Valley, characterized by its reservoirs, dams, and surrounding woodlands. The region features a landscape shaped by water, with routes often following reservoir shores and ascending gentle hills. This area provides opportunities for both easy hikes and more moderate walking trails, allowing exploration of its natural and historical features.
Last updated: May 7, 2026
4.7
(20)
191
hikers
10.3km
02:44
110m
110m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.3
(4)
34
hikers
14.2km
04:09
360m
360m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

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4.3
(4)
33
hikers
13.8km
03:55
290m
290m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.3
(3)
10
hikers
11.8km
03:24
290m
290m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
4.3
(3)
9
hikers
8.49km
02:33
260m
260m
Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.
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Beautiful church - well worth exploring
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Excellent cafe here. Ty Penbont.
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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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Very artistic processing of tree stumps with animal scenes https://treecarving.co.uk/elan-valley-sculpture-trail/
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Went rear brake only down the steepest part (slate section near the end) just to stop the fear of front end washing out.
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The old church, along with the manor house and nearby cottages, were enveloped by the waters and lost forever when Caban Coch dam was built. Among the lost houses was Cwm Elan, once the home of poet Percy Bysshe Shelley's uncle. Shelley visited on several occasions and fell in love with the area. In 1812 he tried to buy Nantgwyllt House, as a home to settle into with his wife Harriet. The old church at Nantgwyllt may have been lost, but in 1898 a new church was begun on high ground overlooking the Garreg-ddu viaduct. The architect was Stephen W Williams, who also built Elan Village to house workmen labouring to build the dams. The new church was erected at the southern end of the viaduct.
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One of the most iconic reservoir created to provide water to Birmingham
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Treflys and the surrounding Elan Valley offer a wide selection of hiking trails, with over 50 routes available. These range from easy strolls along reservoir shores to more challenging moderate paths through woodlands and hills.
Yes, Treflys has 16 easy hiking trails perfect for beginners or those looking for a relaxed walk. A great option is the Elan Valley Visitor Centre – Caban-Coch Dam and Reservoir loop from Garreg Ddu Dam, which is an easy 6.9 km route offering scenic views of the reservoir.
The Treflys area, particularly within the Elan Valley, is rich with impressive landmarks. You can explore the majestic Caban-Coch Dam and Reservoir, enjoy views from the Gravel Path Along Claerwen Reservoir, or discover the historic Nantgwyllt Church. The landscape is dominated by its reservoirs and dams, offering unique sights.
Many of the trails around Treflys are designed as circular routes, allowing you to start and finish at the same point. For example, the Llyn Brianne Reservoir loop from Abergwesyn is a moderate 11.8 km circular hike that explores the reservoir's surroundings.
The hiking trails in Treflys are highly regarded by the komoot community, holding an average rating of 4.6 stars from over 350 reviews. Hikers often praise the stunning reservoir views, the tranquility of the woodlands, and the well-maintained paths that make for an enjoyable experience.
Yes, Treflys offers several family-friendly options, especially among its 16 easy trails. These routes often follow gentler terrain along the reservoirs, providing accessible paths for all ages to enjoy the natural beauty of the Elan Valley.
The Elan Valley, including Treflys, is beautiful year-round. Spring brings fresh greenery and blooming wildflowers, while autumn offers spectacular foliage around the reservoirs. Summer is ideal for longer days and warmer weather, and even winter can be magical with crisp air and unique frosty landscapes, though some paths might be more challenging.
While many trails in Treflys focus on the natural landscape of the Elan Valley, some routes may lead close to villages or visitor centres where refreshments can be found. It's always a good idea to check the specific route details on komoot for points of interest like pubs or cafes along your chosen path.
Hiking around Treflys means exploring a landscape shaped by water. You'll encounter reservoir loops, valley paths, and extensive woodland trails. The terrain varies from relatively flat, well-surfaced paths along the water's edge to moderate ascents through forested areas, offering diverse scenery throughout your hike.
While popular routes like the Elan Valley Bridge – Nantgwyllt Church loop can see more visitors, the region has over 50 trails, including 7 difficult ones, which tend to be less frequented. Exploring some of the longer or more remote moderate trails, such as the Claerwen Dam – Llanerchi Woods loop, can offer a more secluded experience.
Access to the Elan Valley, where Treflys is located, can be limited by public transport. While some local bus services might operate to nearby towns, reaching specific trailheads often requires personal transportation. It's advisable to check local transport schedules in advance if you plan to rely on public options.


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