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South Wales

Gelligaer

Twyn Castell – Hengoed Viaduct loop from Gelligaer

Routes

Hiking trails & Routes

South Wales

Gelligaer

Twyn Castell – Hengoed Viaduct loop from Gelligaer

Moderate

5.0

(1)

hikers

Twyn Castell – Hengoed Viaduct loop from Gelligaer

02:23

8.62km

160m

Hiking

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: May 13, 2026

Waypoints

Start point

Bus stop

Get Directions

1.99 km

Twyn Castell

Highlight • Summit

5.56 km

Hengoed Viaduct

Highlight • Monument

The coal mining industry transformed the landscape of South Wales and one of the ways it did that was bringing about the construction of railways and, to span valleys, their …

Tip by

8.62 km

End point

Bus stop

Way Types & Surfaces

Way Types

5.04 km

2.45 km

944 m

111 m

< 100 m

Surfaces

5.47 km

1.26 km

1.03 km

254 m

Elevation

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

Highest point (220 m)

Lowest point (130 m)

Weather

Monday 18 May

14°C

9°C

79 %

Additional weather tips

Max wind speed: 24.0 km/h

to get more detailed weather forecasts along your route

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

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Twyn Castell – Hengoed Viaduct loop from Gelligaer

Twyn Castell

Hengoed Viaduct

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