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Routes
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United Kingdom
Wales
Powys

Claerwen National Nature Reserve

Routes
Cycling routes
United Kingdom
Wales
Powys

Claerwen National Nature Reserve

The best traffic-free bike rides around Claerwen National Nature Reserve

4.8

(26)

498

riders

10

rides

No traffic touring cycling routes around Claerwen National Nature Reserve traverse a landscape characterized by rugged mountains, expansive moorland, and picturesque reservoir paths. The region features an 800-hectare upland plateau with gently rolling hills and extensive blanket bogs. This remote Welsh environment offers panoramic vistas, particularly around the Claerwen Dam and its vast reservoir. The area's unique habitats support diverse plant and bird life, making it a distinctive destination for outdoor exploration.

Best no traffic touring cycling routes around Claerwen…

Last updated: May 13, 2026

7

riders

#1.

Claerwen Dam – Craig Goch Dam loop from Craig Ddu Fach

42.7km

04:04

670m

670m

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Hard

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate
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Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard

Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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Popular around Claerwen National Nature Reserve

Traffic-free bike rides around Claerwen National Nature Reserve

Traffic-free bike rides around Claerwen National Nature Reserve

Tips from the Community

Steve Haskew
April 9, 2026, Singletrack Through Cambrian Mountains

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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Eoghain
August 18, 2025, Craig Goch Dam

Craig Goch Dam Information Board

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cycling paradise for everyone

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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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The Craig Goch Dam, often called the Top dam, is a masonry dam in the Elan Valley of Wales and creates the upper-most of the Elan Valley Reservoirs. Construction on the dam began in 1897, and it was completed in 1904. The primary purpose of the dam and the other reservoirs is to supply Birmingham with water. In 1997, a 480 kW hydroelectric generator began operation at the dam.

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A very rocky steep descent, be wary on gravel bikes

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Frequently Asked Questions

How many no-traffic touring cycling routes are available in Claerwen National Nature Reserve?

There are over 10 dedicated no-traffic touring cycling routes in Claerwen National Nature Reserve, offering a range of difficulties from easy to difficult. This guide specifically highlights 11 routes for you to explore.

What kind of terrain can I expect on the no-traffic cycling routes in Claerwen?

The routes in Claerwen National Nature Reserve feature varied terrain. While many sections are paved, you should expect some unpaved, gravel, eroded, or rocky segments. These can sometimes be wet, requiring good fitness and advanced riding skills for the more challenging parts. The landscape includes rugged mountains, expansive moorland, and picturesque reservoir paths.

Are there any family-friendly no-traffic cycling routes in Claerwen National Nature Reserve?

Yes, there are routes suitable for families. For a moderate option, consider the Llanerchi Wood loop from Claewen Dam, which is 12.4 km long and winds through woodland and along the Claerwen Dam. It's a great way to experience the scenery without extreme difficulty.

What are the best times of year to go touring cycling in Claerwen National Nature Reserve?

Claerwen offers beautiful cycling experiences throughout the year, but spring and autumn often provide the most comfortable conditions with milder weather and stunning seasonal colours. Summer is also popular, though can be busier. Winter cycling is possible but be prepared for potentially cold, wet, and windy conditions, and check forecasts as some routes may become more challenging.

What natural features or landmarks can I see along the no-traffic cycling routes?

The routes offer breathtaking panoramic vistas, especially around the Claerwen Dam and its vast reservoir. The Claerwen Dam itself is a significant attraction, being the largest and youngest of the Elan Valley dams. During winter, when the reservoir is full, excess water cascading over the dam's stepped face creates impressive waterfalls. You'll also encounter rugged mountains, expansive moorland, and the Claerddu River on some trails, such as the Claerwen Dam – Claerddu River Crossing loop.

Are there any circular no-traffic cycling routes available?

Yes, many of the touring cycling routes in Claerwen National Nature Reserve are designed as loops, allowing you to start and finish at the same point. Examples include the Claerwen Dam – Craig Goch Dam loop and the Llanerchi Wood loop, providing convenient options for your ride.

What do other touring cyclists enjoy most about cycling in Claerwen National Nature Reserve?

The area is highly rated by the komoot community, with an average score of 4.8 stars from 25 ratings. Reviewers often praise the stunning and varied landscapes, the sense of remoteness and tranquility, and the lack of traffic, making it ideal for immersive outdoor experiences and gravel biking adventures.

What kind of wildlife might I spot while cycling in Claerwen?

Claerwen is renowned for its abundant birdlife, with over 180 species recorded. Cyclists might spot red kites, buzzards, ravens, and golden plovers. The reserve's unique habitats also support special plant life, including carnivorous plants like round-leaved sundew and rare mosses in former lead-mining sites.

Are there any particularly challenging no-traffic routes for experienced touring cyclists?

Absolutely. For experienced touring cyclists seeking a challenge, routes like the Nant Rhys Bothy – Jubilee Arch loop from Hafod Estate offer significant elevation gain (over 1000m) and cover more than 40 km, traversing remote and rugged landscapes. These routes often feature unpaved or rocky sections requiring advanced riding skills.

Is there cell phone signal along the no-traffic routes in Claerwen National Nature Reserve?

Due to the remote nature of Claerwen National Nature Reserve, cell phone signal can be limited or non-existent in many areas. It's advisable to download offline maps and inform someone of your route and expected return time before heading out.

Where can I find parking and access points for these no-traffic cycling routes?

Many routes, such as the Llanerchi Wood loop, start from the vicinity of Claerwen Dam, which typically offers parking facilities. Other routes may begin from locations like Hafod Estate. It's always recommended to check the specific route details on komoot for precise starting points and parking information.

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