Radyr Weir – Blackweir Bridge and Weir loop from Tongwynlais

Bike touring routes & trails

Radyr Weir – Blackweir Bridge and Weir loop from Tongwynlais

Easy

4.5

(13)

254

riders

Radyr Weir – Blackweir Bridge and Weir loop from Tongwynlais

00:55

15.4km

50m

Cycling

Easy bike ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: September 10, 2026

Tips

Includes a segment in which cycling is not permitted

After 7.82 km for 188 m

Waypoints

Start point

Bus stop

Get Directions

816 m

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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2.81 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.

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5.74 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.

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7.10 km

Heron Spot

Highlight • Viewpoint

be quiet (unlike me who didn't get a picture of the heron)

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7.30 km

Mountain Bike Ramps

Highlight • Structure

There good ramps but a bit bumpy

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7.91 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!

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