Blackweir Bridge and Weir – Radyr Weir loop from Ninian Park

Bike touring routes & trails

Blackweir Bridge and Weir – Radyr Weir loop from Ninian Park

Moderate

4.3

(6)

riders

Blackweir Bridge and Weir – Radyr Weir loop from Ninian Park

02:48

44.8km

410m

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: August 6, 2026

Tips

Cycling is not permitted along parts of this route

After 99 m for 88 m

After 3.45 km for 90 m

After 44.7 km for 88 m

Waypoints

Start point

Train Station

Get Directions

3.44 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

4.16 km

Gabalfa Woods

Forest

5.62 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

7.63 km

Melingriffith Water Wheel

Highlight • Historical Site

12.2 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

14.0 km

Wooded section of the Taff Trail

Highlight (Segment) • Trail

taff trail is lovely . small sections can be industrial, however I found this section through the trees particularly beautiful 🌳

Tip by

28.6 km

Forest Cycle Path

Highlight • Cycleway

Great steady cycle way, good for getting the kids out

Tip by

33.6 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

35.0 km

River Taff

Lake

35.4 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

41.6 km

Blackweir Woods

Forest

44.8 km

End point

Train Station

Way Types & Surfaces

Way Types

27.9 km

12.2 km

2.23 km

1.40 km

848 m

203 m

Surfaces

40.8 km

3.24 km

410 m

335 m

< 100 m

Elevation

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

Highest point (260 m)

Lowest point (10 m)

Weather

Tuesday 6 October

16°C

8°C

-- %

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Comments

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Blackweir Bridge and Weir – Radyr Weir loop from Ninian Park

Blackweir Bridge and Weir

Llandaff Weir

Melingriffith Water Wheel

View from Ynys Bridge

Wooded section of the Taff Trail

Forest Cycle Path

The Lewis Arms

Radyr Weir

Nearby routes

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