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Hiking trails & Routes

Vale of Glamorgan

Porthkerry Viaduct – The Knap loop from Rhoose Cardiff International Airport

Hiking trails & Routes

Vale of Glamorgan

Porthkerry Viaduct – The Knap loop from Rhoose Cardiff International Airport

Moderate

4.9

(7)

56

hikers

Porthkerry Viaduct – The Knap loop from Rhoose Cardiff International Airport

03:34

13.1km

200m

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: August 2, 2026

Waypoints

A

Start point

Train Station

1

880 m

Bench with View of Rhoose Lagoon

Highlight • Lake

Perfect bench for enjoying lunch and looking out over the cliffs

Tip by

2

1.00 km

Rhoose Point – Southernmost Point of Mainland Wales

Highlight • Viewpoint

Located near the village of Rhoose in the stunning Vale of Glamorgan, Rhoose Point (Welsh: Trwyn y Rhws) stands as a captivating headland and settlement. Nestled in the southernmost reaches …

Tip by

3

3.93 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

4

5.32 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

5

7.35 km

The Knap

Highlight • Settlement

I love a duck so stood tall. Lovely area

Tip by

6

7.50 km

View of Knap Gardens Marine Lake

Highlight • Lake

7

11.3 km

Bench With a View of the Sea

Highlight • Viewpoint

8

11.9 km

Rhoose Point

Highlight • Natural Monument

B

13.1 km

End point

Train Station

Way Types & Surfaces

Way Types

6.39 km

4.31 km

2.31 km

< 100 m

< 100 m

Surfaces

8.18 km

2.32 km

2.14 km

< 100 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

Saturday 10 October

16°C

9°C

30 %

Additional weather tips

Max wind speed: 16.0 km/h

to get more detailed weather forecasts along your route

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