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Radyr Weir – Blackweir Bridge and Weir loop from Cathays

Routes

Bike touring routes & trails

Radyr Weir – Blackweir Bridge and Weir loop from Cathays

Moderate

4.0

(1)

riders

Radyr Weir – Blackweir Bridge and Weir loop from Cathays

01:48

28.7km

250m

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: July 18, 2026

Tips

Includes a segment in which cycling is not permitted

After 26.9 km for 197 m

Waypoints

Start point

Train Station

Get Directions

1.41 km

Bute Park Flower Display

Highlight • Viewpoint

This little stretch of Bute Park has stunning flowers on display of all kinds. Well worth slowing down to enjoy the views

Tip by

17.7 km

View from Ynys Bridge

Highlight • Bridge

Unfortunately, the road over this bridge ends in a builder's yard. To access the Taff Trail from here you will have to negotiate the A470 junction.

Tip by

18.9 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

20.3 km

River Taff

Lake

20.7 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

21.6 km

Wooden Sculptures at Forest Farm Country Park

Highlight • Structure

Very close to the Taff Trail. A great little spot to see this incredible carved structure and a great photo opportunity.

Tip by

22.7 km

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

26.9 km

Blackweir Bridge and Weir

Highlight • Structure

Blackweir Bridge crossing the River Taff, was designed and constructed in the 1980s by engineering students at nearby Cardiff University. The students evidently liked the feel of the earth moving under their feet, it can be a bit bouncy!

Tip by

28.7 km

End point

Train Station

Way Types & Surfaces

Way Types

14.0 km

11.1 km

2.17 km

656 m

332 m

328 m

< 100 m

Surfaces

25.8 km

2.34 km

326 m

201 m

< 100 m

Elevation

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

Highest point (170 m)

Lowest point (10 m)

Weather

Thursday 3 September

21°C

15°C

0 %

Additional weather tips

Max wind speed: 27.0 km/h

to get more detailed weather forecasts along your route

Comments

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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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Radyr Weir – Blackweir Bridge and Weir loop from Cathays

Bute Park Flower Display

View from Ynys Bridge

The Lewis Arms

Radyr Weir

Wooden Sculptures at Forest Farm Country Park

Melingriffith Water Wheel

Llandaff Weir

Blackweir Bridge and Weir

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