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Hiking trails & Routes

Rhondda Cynon Taf

Lluest-wen Reservoir Dam Wall – Lluest-Wen Reservoir loop from Llyn Fawr

Hiking trails & Routes

Rhondda Cynon Taf

Lluest-wen Reservoir Dam Wall – Lluest-Wen Reservoir loop from Llyn Fawr

Moderate

4.4

(5)

27

hikers

Lluest-wen Reservoir Dam Wall – Lluest-Wen Reservoir loop from Llyn Fawr

02:32

9.15km

160m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is right next to a parking lot.

Last updated: October 14, 2026

Waypoints

A

Start point

Parking

1

3.28 km

View of the Wind Farm

Highlight • Viewpoint

2

4.26 km

Climb from Bryn Llechwedd-ddu Reservoir Dam

Highlight • Viewpoint

The climb towards Bryn Llechwenddiddos and Bryn Gelli rewards you with great views of the reservoir.

Tip by

3

4.36 km

Path to the Dam

Highlight • Trail

4

4.36 km

View of Bryn Gelli Reservoir and Wind Farm

Highlight • Lake

The climb towards Bryn Llechwenddiddos and Bryn Gelli rewards you with great views of the reservoir.

Tip by

5

4.76 km

Lluest-wen Reservoir Dam Wall

Highlight • Structure

Lluest-wen Reservoir was constructed in 1898, but came to national attention in 1969 when a major leak caused an evacuation of residents down-valley while emergency repair work was carried out. …

Tip by

6

4.89 km

Lluest-Wen Reservoir

Highlight • Viewpoint

A view point over the whole reservoir and a lovely spot for some lunch.

Tip by

7

5.16 km

Locked Gate at Wind Farm Entrance

Highlight • Structure

I had planned to descend into Hirwaun using the 'Fast and loose descent to Hirwaun' highlight but the gate at the top was locked with a sign forbidding cyclists and …

Tip by

8

5.92 km

Gravel Roads by Lluest-Wen Reservoir and Wind Farm

Highlight • Lake

Crossing the moorland from Rhigos towards Aberdare is a network of gravel forest roads.

Great in the sun, but not so good with the wind in your face, it's an …

Tip by

B

9.15 km

End point

Parking

Way Types & Surfaces

Way Types

7.88 km

1.05 km

158 m

< 100 m

Surfaces

7.88 km

1.05 km

158 m

< 100 m

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Elevation

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

Highest point (500 m)

Lowest point (400 m)

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Weather

Powered by Foreca

Tuesday 20 October

9°C

4°C

62 %

Additional weather tips

Max wind speed: 31.0 km/h

to get more detailed weather forecasts along your route

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