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Routes
Bike touring routes & trails
United Kingdom
Wales
South Wales
Vale of Glamorgan
Dinas Powys

Cardiff Bay Barrage – Radyr Weir loop from Eastbrook

Routes
Bike touring routes & trails
United Kingdom
Wales
South Wales
Vale of Glamorgan
Dinas Powys

Cardiff Bay Barrage – Radyr Weir loop from Eastbrook

Moderate

4.4

(17)

403

riders

Cardiff Bay Barrage – Radyr Weir loop from Eastbrook

02:36

43.3km

220m

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: April 19, 2026

Tips

Cycling is not permitted along parts of this route

After 6.02 km for 68 m

After 35.4 km for 68 m

Waypoints

A

Start point

Train Station

Get Directions

1

3.31 km

View of Cardiff Bay

Highlight • Viewpoint

Well worth getting up Penarth Hill for. Sunset is the best time to be here for.

Tip by

2

4.11 km

Cardiff Bay Barrage

Highlight • Structure

Cardiff Bay Barrage was completed in 1999, following a huge construction project. Stretching from Cardiff Docks to Penarth, the barrage impounds freshwater from the rivers Ely and Taff to create a large freshwater lake, providing permanent high water.

Tip by

3

14.7 km

Cardiff Castle

Highlight • Historical Site

Cardiff Castle is situated within picturesque parklands at the heart of the Welsh capital. The site has a rich 2,000-year history; from Roman fort, to Norman keep and eventually to stone-built castle. You experience great views from the castle.

Entry costs £14.50 for adults, £10 for children, £12 for concessions, and £42 for families. For more information, visit: cardiffcastle.com.

Tip by

16.6 km

Blackweir Woods

Forest

17.6 km

Gabalfa Woods

Forest

6

19.1 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

21.1 km

Melingriffith Water Wheel

Highlight • Historical Site

23.4 km

River Taff

Lake

9

23.8 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 can be found at the Weir, as well as grey herons and cormorants.

Tip by

10

31.8 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

11

38.7 km

Winding Path in Penarth

Highlight • Trail

This winding path down the side of Penarth is a lot fun to ride (down 😄)

Tip by

B

43.3 km

End point

Train Station

Loading

Way Types & Surfaces

Way Types

29.5 km

4.45 km

3.25 km

2.98 km

2.80 km

251 m

< 100 m

Surfaces

37.3 km

4.04 km

1.28 km

335 m

304 m

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Elevation

Elevation

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

Highest point (50 m)

Lowest point (undefined)

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Weather

Powered by Foreca

Saturday 16 May

14°C

7°C

73 %

Additional weather tips

Max wind speed: 27.0 km/h

to get more detailed weather forecasts along your route

Our route recommendations are based on thousands of hikes, rides, and runs completed by other people on komoot.

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