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Routes
Road cycling routes
United Kingdom
Wales
South Wales
Rhondda Cynon Taf
Porth

Radyr Weir – Porthkerry Viaduct loop from Porth

Moderate

3.0

(1)

23

riders

Radyr Weir – Porthkerry Viaduct loop from Porth

04:17

93.7km

810m

Road cycling

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: February 22, 2026

Waypoints

A

Start point

Train Station

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18.0 km

River Taff

Lake

2

18.4 km

Radyr Weir

Highlight • Structure

A pretty weir of the River Taff, the Radyr Weir runs today as a hydro power scheme and a focal point of Radyr town. Many wild salmon and sea trout …

Tip by

3

40.9 km

Porthkerry Viaduct

Highlight • Historical Site

Porthkerry Viaduct has 16 arches and was eventually re-opened in 1900 after a faltering start when numerous supporting piers settled and had to be underpinned and reconstructed. It's been pretty solid since and now it's a Grade II listed building.

Tip by

4

54.7 km

Café Velo

Highlight • Cafe

Great little café, very bike friendly. There's a load of bike locks hanging on the wall just inside the door that the owner provides to allow you to secure your …

Tip by

5

81.5 km

B

93.7 km

End point

Train Station

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Way Types & Surfaces

Way Types

43.5 km

27.3 km

18.6 km

4.12 km

226 m

< 100 m

Surfaces

88.2 km

4.65 km

860 m

< 100 m

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Elevation

Elevation

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

Highest point (180 m)

Lowest point (0 m)

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Weather

Powered by Foreca

Wednesday 20 May

19°C

11°C

19 %

Additional weather tips

Max wind speed: 15.0 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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3.4

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