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Road cycling routes

Quaker's Yard Viaduct – Radyr Weir loop from Cathays

Road cycling routes

Quaker's Yard Viaduct – Radyr Weir loop from Cathays

Moderate

3.5

(2)

190

riders

Quaker's Yard Viaduct – Radyr Weir loop from Cathays

04:24

87.1km

630m

Road cycling

Moderate road ride. Good fitness required. Some segments of this route may be unpaved and difficult to ride. The starting point of the route is accessible with public transport.

Last updated: August 27, 2026

Tips

Cycling is not permitted along parts of this route

After 63.5 km for 98 m

After 83.7 km for 90 m

Waypoints

A

Start point

Train Station

1

4.90 km

Flower Lodge

Highlight • Cafe

Great coffee, cakes and food. Open now for coffee and cakes with social distancing.

Tip by

2

13.6 km

Taff Trail: Nantgarw to Pontypridd

Highlight (Segment) • Forest

The Taff Trail has some fantastic gravel stretches.

The section from the top of Bwlch Mountain is probably best ridden on a full suspension MTB, but the road down is …

Tip by

3

29.9 km

Quaker's Yard Viaduct

Highlight • Historical Site

One of IK Brunels many bridges. Still very much in use carrying the Merthyr to Barry valley lines passenger train.

Tip by

4

35.2 km

Waterfall Along Cycle Route

Highlight • Cycleway

77.4 km

River Taff

Lake

6

77.9 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

7

79.6 km

Melingriffith Water Wheel

Highlight • Historical Site

8

81.6 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

83.1 km

Gabalfa Woods

Forest

10

83.8 km

River Taff and Footbridge

Highlight (Segment) • Cycleway

B

87.1 km

End point

Train Station

Way Types & Surfaces

Way Types

57.6 km

16.5 km

5.75 km

4.50 km

2.45 km

305 m

< 100 m

Surfaces

72.2 km

11.5 km

1.89 km

1.51 km

< 100 m

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Elevation

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

Highest point (210 m)

Lowest point (10 m)

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Weather

Powered by Foreca

Sunday 11 October

19°C

14°C

31 %

Additional weather tips

Max wind speed: 19.0 km/h

to get more detailed weather forecasts along your route

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