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United Kingdom
Wales
Powys

Claerwen National Nature Reserve

The best road cycling routes around Claerwen National Nature Reserve

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(6)

649

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Road cycling routes around Claerwen National Nature Reserve traverse a landscape defined by expansive reservoirs, rolling hills, and open moorland. The region features winding roads that follow the contours of the valleys, with ascents offering views over the water and surrounding uplands. Road cycling routes here often include sections alongside the Claerwen and Elan Valley reservoirs, with some challenging climbs. The terrain is predominantly rural, with a mix of quiet country roads and reservoir access roads.

Best road cycling routes…

Last updated: July 5, 2026

17

riders

#1.

Elan Valley Reservoirs – Craig Goch Dam loop from Welsh Water Elan Trust

42.8km

02:07

550m

550m

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

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Moderate

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate
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Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride.

Moderate

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride.

Moderate

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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Popular around Claerwen National Nature Reserve

Hiking around Claerwen National Nature Reserve

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Cycling around Claerwen National Nature Reserve

Gravel biking around Claerwen National Nature Reserve

Tips from the Community

Eoghain
August 18, 2025, Craig Goch Dam

Craig Goch Dam Information Board

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Pierre
August 30, 2024, The Tea Shed

self service cafe, make your own coffee, lovely cakes and a honesty box. quirky decor. really lovely place. If you are lucky enough to meet the owner, she is lovely to.

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PBertson
August 17, 2024, The Tea Shed

This place is a gem. A bit of an oasis in a desert if you are on your bike and want a hot drink or to fill your water bottles. It is an honesty cafe in a house opposite Moduron Hafod Garage. Especially helpful if you are doing the Trans Cambrian Way in 3 days, just stay on the road at Ysbyty Ystwyth and drop down to Pont-rhyd-y-groes. You will have to climb back up to rejoin the route though (Hafodty road is most direct but steep!)

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The Elan Valley (Welsh: Cwm Elan) is a river valley situated to the west of Rhayader, in Powys, Wales, sometimes known as the "Welsh Lake District". It covers 70 square miles (180 km2) of lake and countryside. Caban Coch Dam.

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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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Fun gravel track through the nature reserve

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Small and nice campsite with very friendly owners, next to the Teifi Inn

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Lovely valley views as you climb the switchbacks

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Frequently Asked Questions

How many road cycling routes are available in Claerwen National Nature Reserve?

Claerwen National Nature Reserve offers a selection of road cycling routes, with at least five distinct tours available on komoot. These routes cater to various preferences, from moderate loops around the reservoirs to more challenging rides through the Welsh countryside.

Are there any challenging road bike climbs in the Elan Valley and Claerwen area?

Yes, the region is known for its undulating terrain and offers significant climbs. For a challenging experience, consider the Aberystwyth Castle Ruins – Devil's Bridge and Waterfalls loop from Devil's Bridge, which features substantial ascents and descents over its 34.6 miles.

What is the best time of year for road cycling in Claerwen National Nature Reserve?

The spring and summer months generally offer the most favorable conditions for road cycling in Claerwen National Nature Reserve, with milder weather and longer daylight hours. However, the landscape is beautiful year-round, and autumn provides stunning colors. Always check the local weather forecast before heading out, as conditions can change rapidly in this upland environment.

Are there any family-friendly road bike routes around Claerwen?

While many routes in the Claerwen area feature significant elevation, some sections along the reservoir roads can be enjoyed by families with older children or those comfortable with moderate distances. For a taste of the reservoir scenery, a portion of the Craig Goch Dam – Elan Valley Reservoirs loop from Llannerch y Cawr offers a moderate experience.

Where can I find viewpoints on Claerwen road bike routes?

Many road cycling routes in the Claerwen National Nature Reserve offer stunning viewpoints, particularly those that traverse the higher ground or follow the contours above the reservoirs. The Craig Goch Dam – Elan Valley Reservoirs loop from Welsh water Elan Valley Trust, for instance, provides panoramic views over the water and surrounding moorland as you cycle.

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

The area is highly rated by the komoot community, with an average score of 5.0 stars from 6 reviews. Reviewers often praise the quiet country roads, the dramatic reservoir scenery, and the sense of remoteness and natural beauty found within the reserve.

Are there any circular road cycling routes around Claerwen Reservoir?

Yes, several routes offer circular options, allowing you to start and finish at the same point. The Craig Goch Dam – Elan Valley Reservoirs loop from Welsh water Elan Valley Trust is a popular circular route that takes you around the reservoirs, offering a comprehensive experience of the area's unique landscape.

Are there any historical sites or landmarks to explore along the road cycling routes?

Yes, the region is rich in history. The Ystrad Meurig Castle – Lisburne Metal Mine Waterwheel loop from Devil's Bridge takes you past historical sites, including the ruins of Ystrad Meurig Castle and the Lisburne Metal Mine Waterwheel, offering a glimpse into the area's past.

What is the typical distance for road cycling loops around Claerwen Reservoir?

Road cycling loops in the Claerwen and Elan Valley area vary in distance. For example, the popular Craig Goch Dam – Elan Valley Reservoirs loop from Welsh water Elan Valley Trust covers approximately 26.6 miles (42.8 km), while the Craig Goch Dam – Elan Valley Reservoirs loop from Llannerch y Cawr is a shorter option at around 13.8 miles (22.2 km).

Are there less crowded road bike trails in Claerwen National Nature Reserve?

The Claerwen National Nature Reserve is generally known for its quiet, rural roads, offering a peaceful cycling experience away from heavy traffic. While the main reservoir loops can see some visitors, many of the routes, especially those venturing further into the moorland, provide a sense of solitude and open space.

What kind of terrain can I expect on road cycling routes in Claerwen National Nature Reserve?

The terrain is predominantly rural, characterized by winding roads that follow the contours of valleys, expansive reservoirs, rolling hills, and open moorland. You can expect a mix of quiet country roads and reservoir access roads, with ascents offering rewarding views over the water and surrounding uplands.

Are there any routes that pass by waterfalls in the Claerwen area?

While the immediate Claerwen area is known for its reservoirs, the wider region, particularly near Devil's Bridge, is famous for its waterfalls. The Aberystwyth Castle Ruins – Devil's Bridge and Waterfalls loop from Devil's Bridge is a route that specifically highlights these natural attractions.

How long does it typically take to cycle the Claerwen reservoir loop?

The duration depends on the specific loop and your cycling pace. For instance, the Craig Goch Dam – Elan Valley Reservoirs loop from Welsh water Elan Valley Trust, which is 26.6 miles, typically takes around 2 hours and 5 minutes to complete for an average road cyclist.

Most popular routes around Claerwen National Nature Reserve

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