Routes

Planner

Features

Updates

App

Login or Signup

Get the App

Login or Signup

Login or Signup

Hiking trails & Routes

Blackweir Bridge and Weir – Castell Coch loop from Cathays

Hiking trails & Routes

Blackweir Bridge and Weir – Castell Coch loop from Cathays

Hard

4.5

(6)

72

hikers

Blackweir Bridge and Weir – Castell Coch loop from Cathays

05:32

21.3km

130m

Hiking

Hard hike. Very good fitness required. Easily-accessible paths. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: March 19, 2026

Waypoints

A

Start point

Train Station

Get Directions

1.57 km

Blackweir Woods

Forest

2

2.02 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

3

2.04 km

Blackweir Weir on the River Taff

Highlight • Structure

This impressive weir lies on the River Taff in Cardiff. On its eastern bank lies Blackweir Woods, an important habitat for plenty of wildlife and birds. There's a bridge above …

Tip by

4

2.47 km

Pathway Along the River Taff

Highlight • Viewpoint

2.73 km

Gabalfa Woods

Forest

6

6.20 km

Melingriffith Water Wheel

Highlight • Historical Site

7

10.7 km

Castell Coch

Highlight • Castle

Castell Coch is a 19th-century castle overlooking the village of Tongwynlais. Whilst there has been a castle on the site since the Norman period, architect William Burges transformed the crumbling …

Tip by

13.0 km

River Taff

Lake

9

13.4 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

10

14.6 km

View of the River

Highlight • Viewpoint

Lots of lovely river views all down this trail. Great place for a daily run!

Tip by

11

20.4 km

Secret Garden Café, Bute Park

Highlight • Cafe

Friendly staff and the coffee is good too

Tip by

B

21.3 km

End point

Train Station

Way Types & Surfaces

Way Types

7.88 km

5.96 km

4.94 km

1.83 km

472 m

201 m

Surfaces

16.4 km

2.34 km

2.06 km

288 m

171 m

Sign up to see more specific route details

Sign up for free

Elevation

Elevation

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

Highest point (100 m)

Lowest point (10 m)

Sign up to see more specific route details

Sign up for free

Weather

Powered by Foreca

Friday 22 May

18°C

12°C

0 %

Additional weather tips

Max wind speed: 18.0 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.

Navigate

Send to Phone

Save

Edit route

Download GPX

Move start point

Print

Share

Embed on a website

Report an Issue

Nearby routes

4.8

710

Brean Down loop — English Coast Path

01:14h

4.33km

100m

4.5

238

Cwm George & Casehill Woods loop from Dinas Powys

02:45h

9.90km

180m

5.0

331

Roath Park loop via Roath Pleasure Gardens

01:27h

5.65km

20m

4.8

226

Llandegfedd Reservoir loop

02:41h

9.75km

160m

3.9

198

Castle Coch loop from Taffs Well

01:47h

6.16km

160m

3.8

125

Castle Coch and Craig Yr Allt loop

02:44h

9.18km

290m

4.4

70

The Garth from Taffs Wells via Pentrych Woods

02:26h

7.80km

300m

4.4

75

Caerphilly Mountain and Rhymney Ridgeway Loop

02:14h

7.78km

190m

4.5

81

Coed Craig Ruperra and The Iron Bridge loop

01:47h

6.25km

140m

4.3

82

Blaen Bran Trail loop

02:05h

6.66km

250m

4.5

53

Cardiff Bay to Penarth Pier loop

03:00h

11.2km

130m

4.6

101

East Usk Lighthouse and Wetland loop

01:34h

6.19km

10m