Radyr Weir – Blackweir Bridge and Weir loop from Rhiwbina

Bike touring routes & trails

Radyr Weir – Blackweir Bridge and Weir loop from Rhiwbina

Moderate

4.3

(25)

479

riders

Radyr Weir – Blackweir Bridge and Weir loop from Rhiwbina

02:06

34.0km

140m

Cycling

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

Last updated: August 20, 2026

Tips

Cycling is not permitted along parts of this route

After 10.6 km for 237 m

After 22.3 km for 68 m

After 27.3 km for 90 m

Waypoints

Start point

Train Station

Get Directions

4.25 km

River Taff

Lake

4.68 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

5.58 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

6.51 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

10.7 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

11.2 km

Blackweir Woods

Forest

19.0 km

Winding Path in Penarth

Highlight • Trail

This winding path down the side of Penarth is a lot fun to ride (down 😄)

Tip by

20.4 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

24.6 km