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Running trails & routes

Carmarthenshire

Cwm Lliedi Reservoir – Swiss Valley Trail loop from Five Roads

Running trails & routes

Carmarthenshire

Cwm Lliedi Reservoir – Swiss Valley Trail loop from Five Roads

Hard

5

runners

Cwm Lliedi Reservoir – Swiss Valley Trail loop from Five Roads

01:42

15.9km

180m

Running

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: April 16, 2026

Waypoints

A

Start point

Parking

Get Directions

4.98 km

Stradey Wood

Forest

2

11.3 km

Cwm Lliedi Reservoir

Highlight • Lake

This beautiful reservoir is framed by the stunning mountain scenery of the Brecon Beacons. From the vantage point of the Swidd Valley Trail, you can enjoy a great view of the reservoir and its picturesque surroundings.

Tip by

3

11.3 km

Swiss Valley Reservoir (Lower Lliedi Reservoir)

Highlight • Cycleway

Great place to canoe or SUP. Organised tours can be arranged or you can self-launch, with permission.

Tip by

4

11.5 km

Swiss Valley Trail

Highlight • Cycleway

You get a temperature drop as your ride through this cutting in the rocks. Great on a warm day but can be chilly at other times.

Tip by

5

12.6 km

Swiss Valley Reservoir

Highlight • Structure

6

14.2 km

Disused Kiln and Chimney

Highlight • Historical Site

disused kiln, hidden in wood to side of trail very overgrown but worth a look,

Tip by

B

15.9 km

End point

Parking

Way Types & Surfaces

Way Types

5.89 km

5.34 km

2.18 km

1.41 km

582 m

508 m

Surfaces

11.5 km

1.66 km

1.64 km

955 m

109 m

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Elevation

Elevation

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

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Weather

Powered by Foreca

Saturday 27 June

20°C

13°C

49 %

Additional weather tips

Max wind speed: 26.0 km/h

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