Routes Planner Features Updates

Login or Signup

Login or Signup

Login or Signup

Running trails & routes

View of Castell Coch – Radyr Weir loop from Aber

Running trails & routes

View of Castell Coch – Radyr Weir loop from Aber

Hard

57

runners

View of Castell Coch – Radyr Weir loop from Aber

02:18

21.4km

160m

Running

Hard run. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels. The starting point of the route is accessible with public transport.

Last updated: October 15, 2026

Waypoints

A

Start point

Train Station

1

5.15 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

2

7.28 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

8.60 km

River Taff

Lake

4

9.04 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

5

10.8 km

Melingriffith Water Wheel

Highlight • Historical Site

6

10.8 km

Melingriffith Watermill and Radyr Weir

Highlight (Segment) • Monument

2 pieces of Cardiff / River Taff history. The old watermill & the weir.

Tip by

7

14.3 km

First Light Coffee Shop

Highlight • Cafe

Great coffee in this tiny coffeehouse that loves walkers, runners & riders

Tip by

8

16.4 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

B

21.4 km

End point

Train Station

Way Types & Surfaces

Way Types

11.5 km

4.08 km

2.40 km

1.94 km

821 m

630 m

Surfaces

15.7 km

4.34 km

1.15 km

155 m

< 100 m

Sign up to see more specific route details

Sign up for free

Elevation

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

Highest point (120 m)

Lowest point (20 m)

Sign up to see more specific route details

Sign up for free

Weather

Powered by Foreca

Friday 23 October

16°C

7°C

98 %

Additional weather tips

It’s set to rain on your activity. Pack a waterproof jacket.

to get more detailed weather forecasts along your route

Comments

Want to know more?

Sign up for a free komoot account to join the conversation.

Sign up for free

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

Navigate Send to Phone

Move start point

Embed on a website

Report an Issue

Report restricted access

Nearby routes

3.9

544

Cardiff Bay Trail

00:47h

7.51km

40m

5.0

155

Poet's Path coastal path from Clevedon Lido

00:42h

7.27km

40m

4.9

136

Running loop through Bute Park along the River Taff from Cardiff Castle

00:41h

6.52km

20m

4.7

114

Caerleon Roman Amphitheatre running loop — Newport

01:24h

13.4km

70m

5.0

18

Wentwood Forest and Wentwood Ridge running loop

01:24h

11.5km

190m

5.0

7

Pontsticill Reservoir loop

01:22h

11.8km

250m

5

Rhondda Fach and Lluest-wen Reservoir Loop

02:23h

21.1km

380m

3

Tredegar House Park loop

00:21h

3.25km

10m

1,272

The Summerhouse Café – Secret Garden Café, Bute Park loop from Gabalfa

00:28h

4.48km

20m

3,336

Principality Stadium – Roath Park Lake loop from Cathays

02:25h

23.3km

90m

4.0

785

People's Bridge – The Senedd loop from Cogan

01:14h

12.0km

60m

5.0

839

Llandaff Weir – Blackweir Bridge and Weir loop from Radyr

02:10h

20.9km

90m