Blackweir Bridge and Weir – Radyr Weir loop from Cathays

Running trails & routes

Blackweir Bridge and Weir – Radyr Weir loop from Cathays

Hard

5.0

(2)

577

runners

Blackweir Bridge and Weir – Radyr Weir loop from Cathays

02:03

19.2km

70m

Running

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: August 23, 2026

Waypoints

Start point

Train Station

Get Directions

995 m

Bute Park Sculpture Trail

Highlight • Trail

This sculpture trail has an assortment of weird and whacky animals, and silhouettes of figures. The path also has interactive exhibits for the kids.

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1.19 km

View of the River Taff from the Millennium Bridge

Highlight • River

1.65 km

Bute Park

Highlight • Rest Area

A total of 56 hectares of park right in the city by the river and the castle. There are many hiking opportunities.

Translated by Google •

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3.69 km

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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7.40 km

River Taff

Lake

8.04 km

View of the River Taff from the Bridge

Highlight • River

I just wish there were even more bridges over the River Taff. Each crossing over has its unique and wonderful views. This one is no exception!

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9.06 km

Melingriffith Watermill and Radyr Weir

Highlight (Segment) • Monument

2 pieces of Cardiff / River Taff history. The old watermill & the weir.

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11.3 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 …

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15.0 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.

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