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Routes
Road cycling routes
United Kingdom
Wales
South Wales
Merthyr Tydfil

Cwm Cadlan Nature Reserve – Llwyn-on Reservoir Dam loop from Merthyr Vale

Routes
Road cycling routes
United Kingdom
Wales
South Wales
Merthyr Tydfil

Cwm Cadlan Nature Reserve – Llwyn-on Reservoir Dam loop from Merthyr Vale

Moderate

19

riders

Cwm Cadlan Nature Reserve – Llwyn-on Reservoir Dam loop from Merthyr Vale

04:15

82.2km

790m

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: April 19, 2026

Tips

The surface for a segment of your route may not be suitable

Some segments of your route comprise a surface that may not be suitable for your chosen sport.

After 55.6 km for 2.14 km

Waypoints

A

Start point

Train Station

Get Directions

1

38.3 km

Smooth Tarmac Cycleway

Highlight (Segment) • Cycleway

Perfect for your best summer bike

Tip by

2

48.0 km

Bradley's Coffee Shop

Highlight • Cafe

Great coffee shop.

Always welcoming, even in the dead of winter when you’re covered in mud and soaking wet.

Great coffee and cakes.

Tip by

3

59.2 km

Cwm Cadlan Nature Reserve

Highlight (Segment) • Trail

A climb and descent in any direction this takes you over the Cadlan Nature Reserve. Marshy grassland doesn't appear by accident, there's often cloud/drizzle in the air!

Tip by

4

66.9 km

Llwyn-on Reservoir Dam

Highlight • Structure

Llwyn-on reservoir, built in 1926, covers 150 acres and is the largest of the three in the Taff Fawr Valleys area. Walking along the shore you can be immersed in …

Tip by

5

80.7 km

Waterfall Along Cycle Route

Highlight • Cycleway

B

82.2 km

End point

Train Station

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Way Types & Surfaces

Way Types

36.3 km

22.1 km

18.1 km

3.18 km

2.56 km

123 m

< 100 m

Surfaces

67.6 km

10.5 km

2.12 km

1.83 km

215 m

123 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 (400 m)

Lowest point (50 m)

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Weather

Powered by Foreca

Monday 18 May

14°C

9°C

82 %

Additional weather tips

Max wind speed: 29.0 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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