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Running trails & routes

Vale of Glamorgan

Porthkerry Viaduct – Porthkerry Viaduct loop from Dinas Powys

Running trails & routes

Vale of Glamorgan

Porthkerry Viaduct – Porthkerry Viaduct loop from Dinas Powys

Hard

22

runners

Porthkerry Viaduct – Porthkerry Viaduct loop from Dinas Powys

03:23

32.2km

250m

Running

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 21, 2026

Waypoints

A

Start point

Train Station

1

7.78 km

Barry Dock Office

Highlight • Other

The offices were constructed between 1897 and 1900 and bear the date 1898. The development was part of the industrialist David Davies's scheme for Barry Docks and was intended to …

Tip by

2

11.3 km

Barry Island Promenade and Beach

Highlight • Beach

Of course it's touristy and commercial - but wonderful to see families out for the day enjoying sand and icecream and all things childhood

Tip by

12.1 km

Beach

Beach

4

14.8 km

The Knap

Highlight • Settlement

I love a duck so stood tall. Lovely area

Tip by

5

15.2 km

Cold Knap Roman Site

Highlight • Historical Site

The monument consists of the remains of a Roman rectangular courtyard building dating to the 2nd or 3rd centuries AD.

It is located close to the beach at Cold Knap …

Tip by

6

16.6 km

Porthkerry Viaduct

Highlight • Historical Site

The marvellous 16-arch Porthkerrry Viaduct stands at a whopping 110 feet (33m) high. It was designed and engineered by James and William Szlumper and was originally built to carry coal …

Tip by

7

16.7 km

Porthkerry Pebble Beach

Highlight • Beach

8

17.0 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

9

19.1 km

View of Knap Gardens Marine Lake

Highlight • Lake

B

32.2 km

End point

Train Station

Way Types & Surfaces

Way Types

17.8 km

6.41 km

2.84 km

2.81 km

1.33 km

830 m

224 m

Surfaces

16.6 km

7.55 km

5.99 km

1.48 km

596 m

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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

Sunday 11 October

18°C

14°C

62 %

Additional weather tips

Max wind speed: 18.0 km/h

to get more detailed weather forecasts along your route

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