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United Kingdom

Wales

South Wales

Radyr and Morganstown

Llandaff Weir – Blackweir Bridge and Weir loop from Radyr

Routes

Running trails & routes

United Kingdom

Wales

South Wales

Radyr and Morganstown

Llandaff Weir – Blackweir Bridge and Weir loop from Radyr

Hard

752

runners

Llandaff Weir – Blackweir Bridge and Weir loop from Radyr

02:09

20.6km

90m

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: March 30, 2026

Waypoints

Start point

Bus stop

Get Directions

4.26 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

6.70 km

Blackweir Woods

Forest

8.55 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

8.75 km

The Summerhouse Café

Highlight • Cafe

"The Summerhouse cafe offers a wide selection of locally sourced drinks and snacks. The outdoor seating area provides views of the Herbaceous Border. The café is popular with families with …

Tip by

11.3 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

12.8 km

View of the River Taff from the Millennium Bridge

Highlight • River

13.2 km

Gorsedd Stone Circle, Bute Park

Highlight • Monument

Although it might look like an ancient monument, it was actually installed in 1978 to celebrate Cardiff hosting the Welsh National Eisteddfod.
The central table stone was moved from the …

Tip by

15.9 km

Gabalfa Woods

Forest

19.0 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!

Tip by

20.6 km

End point

Bus stop

Way Types & Surfaces

Way Types

11.3 km

7.59 km

875 m

677 m

116 m

< 100 m

Surfaces

15.3 km

2.45 km

1.82 km

770 m

116 m

108 m

Elevation

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

Weather

Saturday 13 June

22°C

9°C

-- %

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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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Llandaff Weir – Blackweir Bridge and Weir loop from Radyr

Llandaff Weir

Bute Park Flower Display

The Summerhouse Café

Blackweir Bridge and Weir

View of the River Taff from the Millennium Bridge

Gorsedd Stone Circle, Bute Park

View of the River Taff from the Bridge

Nearby routes

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