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Mountain biking trails

Blackweir Bridge and Weir – View of Castell Coch loop from Cogan

Routes

Mountain biking trails

Blackweir Bridge and Weir – View of Castell Coch loop from Cogan

Moderate

riders

Blackweir Bridge and Weir – View of Castell Coch loop from Cogan

03:40

67.8km

340m

Mountain biking

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: May 23, 2026

Tips

Includes a segment in which cycling is not permitted

After 9.49 km for 90 m

Waypoints

Start point

Train Station

Get Directions

2.00 km

Cardiff Bay Barrage Locks

Highlight • Bridge

Each lock is crossed by a Bascule bridge, to carry pedestrians and vehicles across. These are lifted for boats to pass. The weight of the bridge deck is counterbalanced by an overhead weight on the opposite side of the pivot.

Tip by

3.91 km

Roath Basin Bridge

Highlight • Rest Area

with Folded artitecture

Tip by

9.48 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

10.2 km

Gabalfa Woods

Forest

11.7 km

River Taff Weir

Highlight • Monument

Great view of the weir from the bridge

Tip by

14.9 km

Blue Bridge, Radyr

Highlight • Bridge

Narrow bridge which is next to Radyr train station.
Becareful of other users.

Tip by

15.9 km

River Taff

Lake

17.2 km

View of Castell Coch

Highlight • Viewpoint

Castell Coch, or the ‘Red Castle’, rises up from the ancient beech woods of Fforest Fawr like a vision from a fairy tale. Yet these great towers with their unmistakable conical roofs only hint at the splendour within.

Tip by

19.4 km

Taff Trail Junction

Highlight • Cycleway

The Taff Trail runs for 55 miles between Cardiff and Brecon along a mixture of riverside paths, railway paths and forest roads.

Tip by

67.8 km

End point

Train Station

Way Types & Surfaces

Way Types

37.1 km

19.4 km

7.60 km

2.79 km

655 m

202 m

128 m

Surfaces

56.7 km

10.3 km

331 m

329 m

145 m

Elevation

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

Highest point (120 m)

Lowest point (undefined)

Weather

Monday 25 May

32°C

18°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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Blackweir Bridge and Weir – View of Castell Coch loop from Cogan

Cardiff Bay Barrage Locks

Roath Basin Bridge

Blackweir Bridge and Weir

River Taff Weir

Blue Bridge, Radyr

View of Castell Coch

Taff Trail Junction

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