4.8
(26)
546
riders
13
rides
No traffic touring cycling routes around Claerwen Reservoir traverse a landscape characterized by vast open moorland, rolling hills, and quiet woodlands within the Cambrian Mountains. The area features smooth tarmac roads and largely traffic-free reservoir roads, offering varied terrain with gentle gradients. Claerwen Reservoir itself is the largest of the Elan Valley reservoirs, providing a remote setting for cycling. The region is also notable for its diverse lower plants and serves as a crucial habitat for various bird species.
Last updated: June 1, 2026
4
riders
14.8km
01:27
310m
310m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
3
riders
34.7km
03:26
570m
570m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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7
riders
42.7km
04:04
670m
670m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4
riders
14.7km
01:26
320m
310m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.7
(7)
79
riders
Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Claerwen Reservoir
Mostly rideable downhill on a gravel bike if you're confident, but fairly boggy at the top. Uphill would be significant amounts of hike-a-bike for all but the most capable!
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Beautiful church - well worth exploring
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Basic gift shop and toilets, along with a cafe.
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a place where you can learn a bit of Elan Valley history
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There are over a dozen dedicated no-traffic touring cycling routes around Claerwen Reservoir, offering a range of distances and difficulties. These routes allow you to explore the stunning Elan Valley without vehicle interference.
The best time to cycle around Claerwen Reservoir is typically from spring through autumn. During these seasons, the weather is generally milder, and the natural beauty of the Elan Valley, with its diverse flora and fauna, is at its peak. Winter can offer dramatic scenery, especially when the Claerwen Dam's spillway is active, but conditions can be challenging with colder temperatures and potential for ice or snow.
Yes, there is at least one easy, family-friendly no-traffic route. The Elan Valley Visitor Centre – Claerwen Dam loop from Elan Valley Visitor Center is a great option, offering gentle gradients and scenic views suitable for various skill levels. The Elan Valley Trail, a multi-use path on old railway lines, also provides an accessible way to explore the valley.
The no-traffic routes around Claerwen Reservoir feature a mix of smooth tarmac roads, gravel paths, and dedicated multi-use trails. You'll encounter varied terrain, from gentle gradients along the reservoir shores to more challenging climbs through the rolling hills and moorland of the Cambrian Mountains. The gravel path along Claerwen Reservoir itself offers breathtaking views in a remote setting.
Cyclists can enjoy a wealth of natural beauty and impressive landmarks. The routes often provide expansive views of the vast open moorland, rolling hills, and quiet woodlands. A major highlight is the Claerwen Dam, an impressive masonry-faced concrete structure. During winter, excess water creates cascading waterfalls over its stepped spillway. The region is also nationally important for its diverse lower plants and is a significant area for land birds like Red Kites and Buzzards.
Yes, many of the no-traffic routes around Claerwen Reservoir are circular, allowing you to start and finish at the same point. An example of a moderate circular route is the Llanerchi Wood loop from Claewen Dam, which offers a great way to experience the local scenery.
Parking is available at various points around the Elan Valley, including near the Elan Valley Visitor Centre and at designated car parks closer to the dams. These locations provide convenient access to the network of traffic-free roads and trails, allowing you to easily start your cycling adventure.
The area is highly rated by the komoot community, with an average score of 4.8 stars. Reviewers often praise the tranquility and remoteness of the traffic-free routes, the stunning views of the reservoirs and surrounding moorland, and the impressive engineering of the dams. The opportunity to spot diverse wildlife, including rare birds, is also a frequently mentioned highlight.
Absolutely. For experienced cyclists seeking a challenge, there are several difficult no-traffic routes. The Claerwen Dam – Claerddu River Crossing loop from Claewen Dam is a demanding option, featuring significant climbs and longer distances, rewarding riders with glorious views across the Elan and Claerwen Valleys.
While the routes are traffic-free, it's important to consider local regulations regarding dogs, especially in protected areas like the Claerwen National Nature Reserve, which is crucial for ground-nesting birds. Dogs should generally be kept on a lead to protect wildlife and livestock. Always check specific signage along your chosen route for any restrictions.
While the Claerwen Valley itself is quite remote, you can find facilities, including cafes and visitor centers, closer to the main Elan Valley Visitor Centre and around the other dams. It's advisable to plan your route and carry sufficient supplies, especially for longer rides into the more remote sections of the Claerwen Valley.


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