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Abergwesyn Valley – Claerwen Dam loop from Cilmeri

Routes

Abergwesyn Valley – Claerwen Dam loop from Cilmeri

Hard

riders

Abergwesyn Valley – Claerwen Dam loop from Cilmeri

07:08

108km

1,800m

Gravel riding

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: June 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Nant Irfon National Nature Reserve

Claerwen National Nature Reserve

Elenydd SSSI

Waypoints

Start point

Train Station

Get Directions

21.2 km

Abergwesyn Valley

Highlight (Segment) • Gorge

One of the most beautiful stretches of road in Wales or maybe the world, this valley from Abergwesyn to the well-known and much feared Devil's Staircase is an incredible place …

Tip by

41.5 km

View of Strata Florida

Highlight • Trail

Gravel or mountain bike best for the descent down the fire road. Best on a clear day with a few clouds for that dramatic scene,

Tip by

58.1 km

Gravel Trail Along Claerwen Reservoir

Highlight • Viewpoint

Here it is simply fantastically beautiful!
The trails are sometimes really demanding, sometimes slippery and sometimes so exposed that you have to push your bike a few meters.

Pure adventure, …

Tip by

62.6 km

View of Claerwen Reservoir

Highlight • Trail

One of the most beautiful gravel roads I’ve ridden in Wales. Not suitable for road bikes as gravel is pretty rough in places.

Tip by

66.1 km

Gravel Path Along Claerwen Reservoir

Highlight • Viewpoint

The Claerwen Reservoir is the largest and the newest of the four Elan Valley Reservoirs. Once you reach the top, another "wow“ experience awaits you!

The view over the huge …

Tip by

69.9 km

Claerwen Dam

Highlight • Structure

Lovely views along the Clarewen reservoir & down along the valley. Great in good weather - harsh in inclement weather!

Tip by

77.7 km

Caban Coch Dam and Viaduct, Elan Valley

Highlight • Bridge

Made long time ago and still looking stunning

Tip by

78.9 km

Caban-Coch Dam and Reservoir

Highlight • Structure

The Caban-Coch Reservoir is one of four reservoirs in the Elan Valley Reservoirs, which supply the city of Birmingham in particular with drinking water. This one is the second largest …

Tip by

92.0 km

Ty'n-y-lon Wood

Forest

108 km

End point

Train Station

Way Types & Surfaces

Way Types

70.9 km

30.1 km

3.85 km

1.75 km

743 m

208 m

< 100 m

Surfaces

55.7 km

27.6 km

19.6 km

2.71 km

2.04 km

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (520 m)

Lowest point (140 m)

Weather

Thursday 30 July

18°C

6°C

0 %

Additional weather tips

Max wind speed: 17.0 km/h

to get more detailed weather forecasts along your route

Comments

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

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Abergwesyn Valley – Claerwen Dam loop from Cilmeri

Abergwesyn Valley

View of Strata Florida

Gravel Trail Along Claerwen Reservoir

View of Claerwen Reservoir

Gravel Path Along Claerwen Reservoir

Claerwen Dam

Caban Coch Dam and Viaduct, Elan Valley

Caban-Coch Dam and Reservoir

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