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United Kingdom

Wales

South Wales

Radyr and Morganstown

Garth Summit – Castell Coch loop from Radyr

Routes

Hiking trails & Routes

United Kingdom

Wales

South Wales

Radyr and Morganstown

Garth Summit – Castell Coch loop from Radyr

Moderate

5.0

(5)

hikers

Garth Summit – Castell Coch loop from Radyr

04:36

15.8km

400m

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: March 18, 2026

Waypoints

Start point

Train Station

Get Directions

6.94 km

View of Garth Mountain from Route des Alpes

Highlight • Viewpoint

The road to the South of Garth Mountain is named the "Route Des Alpes" on Google maps. I'm thinking it isn't genuine, but I like it!

The views from the …

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7.38 km

Garth Summit

Highlight • Viewpoint

Stunning little hill with commanding views just outside Cardiff with a trig pointed summit. It is a UK listed Marilyn.

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8.58 km

View of Taff Vale and Nantgarw from Rocky Descent

Highlight • Viewpoint

Rocky, narrow, but very scenic, descent into the woods with some glorious views across the Taff Vale toward Nantgarw.

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9.10 km

Carved Tree Face

Highlight • Natural

A dead tree has had a carving added to it. At Christmas 2023 the trees here were decorated.

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9.49 km

Gwaelod Y Garth Inn

Highlight • Pub

Good food, super friendly and thirst quenching.

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12.3 km

Castell Coch

Highlight (Segment) • Castle

12.4 km

Castell Coch

Highlight • Castle

Castell Coch is a 19th-century castle overlooking the village of Tongwynlais. Whilst there has been a castle on the site since the Norman period, architect William Burges transformed the crumbling …

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14.5 km

River Taff

Lake

15.0 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 …

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15.8 km

End point

Train Station

Way Types & Surfaces

Way Types

8.02 km

4.10 km

2.24 km

935 m

484 m

Surfaces

6.54 km

5.52 km

1.64 km

1.08 km

875 m

< 100 m

Elevation

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

Highest point (300 m)

Lowest point (20 m)

Weather

Sunday 17 May

12°C

6°C

87 %

Additional weather tips

Max wind speed: 19.0 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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Garth Summit – Castell Coch loop from Radyr

View of Garth Mountain from Route des Alpes

Garth Summit

View of Taff Vale and Nantgarw from Rocky Descent

Carved Tree Face

Gwaelod Y Garth Inn

Castell Coch

Castell Coch

Radyr Weir

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