Porthkerry Viaduct – The Knap loop from Rhoose Cardiff International Airport
Porthkerry Viaduct – The Knap loop from Rhoose Cardiff International Airport
4.8
(5)
49
hikers
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: May 15, 2026
Waypoints
Start point
Train Station
Get Directions
880 m
Highlight • Lake
Tip by
1.00 km
Highlight • Viewpoint
Tip by
3.93 km
Highlight • Historical Site
Tip by
5.32 km
Highlight • Historical Site
Tip by
7.35 km
Highlight • Settlement
Tip by
7.50 km
Highlight • Lake
11.3 km
Highlight • Viewpoint
11.9 km
Highlight • Natural Monument
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
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Weather
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Thursday 2 July
22°C
11°C
-- %
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Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.
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