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Bike touring routes & trails

Rhondda Cynon Taf

Radyr Weir – Cardiff Bay Barrage loop from Trehafod

Bike touring routes & trails

Rhondda Cynon Taf

Radyr Weir – Cardiff Bay Barrage loop from Trehafod

Moderate

4.4

(9)

125

riders

Radyr Weir – Cardiff Bay Barrage loop from Trehafod

03:49

63.8km

350m

Cycling

Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: October 16, 2026

Tips

Includes a segment in which cycling is not permitted

After 33.9 km for 113 m

Waypoints

A

Start point

Train Station

1

1.29 km

Barry Sidings Café

Highlight • Cafe

2

15.3 km

The Lewis Arms

Highlight • Pub

Always a good place to stop for refreshments. It’s a popular pub and can be busy at times.

Tip by

16.7 km

River Taff

Lake

4

17.1 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

5

20.8 km

Llandaff Weir

Highlight • Natural

Llandaff Weir on the River Taff was built in the mid 1800s to help control the flow and water levels upstream. It was built in a dangerous rapid part of the river which had previously claimed several lives.

Tip by

23.2 km

Blackweir Woods

Forest

7

32.2 km

Cardiff Bay Barrage

Highlight • Structure

Cardiff Bay Barrage was completed in 1999, following a huge construction project. Stretching from Cardiff Docks to Penarth, the barrage impounds freshwater from the rivers Ely and Taff to create a large freshwater lake, providing permanent high water.

Tip by

33.9 km

Roath Sea Lock

Lake

9

43.3 km

Melingriffith Water Wheel

Highlight • Historical Site

10

48.9 km

Wooded section of the Taff Trail

Highlight (Segment) • Trail

taff trail is lovely . small sections can be industrial, however I found this section through the trees particularly beautiful 🌳

Tip by

51.7 km

Coed Caedyrys

Forest

12

52.1 km

View of the Taff Valley

Highlight • Forest

So much gravel to wave a stick at...

Tip by

B

63.8 km

End point

Train Station

Way Types & Surfaces

Way Types

52.0 km

3.49 km

2.93 km

2.57 km

1.48 km

944 m

460 m

Surfaces

54.3 km

7.29 km

1.50 km

601 m

224 m

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Elevation

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

Highest point (100 m)

Lowest point (undefined)

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Weather

Powered by Foreca

Sunday 18 October

12°C

4°C

81 %

Additional weather tips

Max wind speed: 21.0 km/h

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