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Hiking trails & Routes

Rhondda Cynon Taf

Lluest-wen Reservoir Dam Wall – Lluest-Wen Reservoir loop from Rhondda Cynon Taf

Hiking trails & Routes

Rhondda Cynon Taf

Lluest-wen Reservoir Dam Wall – Lluest-Wen Reservoir loop from Rhondda Cynon Taf

Moderate

13

hikers

Lluest-wen Reservoir Dam Wall – Lluest-Wen Reservoir loop from Rhondda Cynon Taf

03:53

14.5km

170m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Last updated: September 30, 2026

Waypoints

A

Start point

1

4.82 km

Castell Nos Reservoir

Highlight • Lake

2

5.97 km

Waterfall Pool Near Pontneddfechan

Highlight • Lake

3

6.27 km

Stone Bridge Over Stream

Highlight • Bridge

4

7.09 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.

Back in 1929 the place set a maximum daily rainfall record for Wales, with 211mm of rain recorded. You have been warned!

Tip by

5

7.22 km

Lluest-Wen Reservoir

Highlight • Viewpoint

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

Tip by

B

14.5 km

End point

Way Types & Surfaces

Way Types

9.57 km

1.72 km

1.56 km

1.24 km

379 m

Surfaces

8.42 km

2.14 km

2.02 km

1.63 km

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Elevation

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

Highest point (400 m)

Lowest point (270 m)

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Weather

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Thursday 8 October

15°C

8°C

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