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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

4.3

(6)

130

riders

Radyr Weir – Cardiff Bay Barrage loop from Trehafod

03:51

63.7km

340m

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: February 12, 2026

Tips

Cycling is not permitted along parts of this route

After 33.9 km for 113 m

After 39.3 km for 90 m

Waypoints

A

Start point

Train Station

Get Directions

1

1.29 km

Barry Sidings Café

Highlight • Cafe

16.6 km

River Taff

Lake

3

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

4

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

6

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

8

37.1 km

Cardiff Castle

Highlight • Historical Site

Cardiff Castle is situated within picturesque parklands at the heart of the Welsh capital. The site has a rich 2,000-year history; from Roman fort, to Norman keep and eventually to stone-built castle. You experience great views from the castle.

Tip by

9

43.5 km

Melingriffith Water Wheel

Highlight • Historical Site

10

49.1 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

51.9 km

Coed Caedyrys

Forest

12

52.3 km

View of the Taff Valley

Highlight • Forest

So much gravel to wave a stick at...

Tip by

B

63.7 km

End point

Train Station

Way Types & Surfaces

Way Types

52.3 km

3.33 km

3.16 km

2.53 km

1.21 km

964 m

295 m

Surfaces

52.5 km

7.97 km

1.57 km

1.12 km

658 m

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Elevation

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

Saturday 9 May

13°C

6°C

0 %

Additional weather tips

Max wind speed: 24.0 km/h

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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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