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Road cycling routes

Blaen-y-Glyn Climb – Talybont Reservoir loop from Merthyr Tydfil

Road cycling routes

Blaen-y-Glyn Climb – Talybont Reservoir loop from Merthyr Tydfil

Moderate

4.5

(4)

45

riders

Blaen-y-Glyn Climb – Talybont Reservoir loop from Merthyr Tydfil

02:19

44.0km

750m

Road cycling

Moderate road ride. Good fitness required. Mostly well-paved surfaces and easy to ride. The starting point of the route is accessible with public transport.

Last updated: August 20, 2026

Tips

Includes a segment that goes up or down a series of steps

You may need to carry your bike.

After 43.9 km for 17 m

Waypoints

A

Start point

Train Station

Get Directions

1.89 km

Morlais Brook

Forest

2

8.38 km

West Shore Road, Pontsticill Reservoir

Highlight (Segment) • Trail

If you're not equipped for the gravel track on the East shore of Pontsticill Reservoir, the road on the West shore offers a fun tarmac alternative. A nice long straight …

Tip by

3

9.29 km

View of the Lake in Bannau Brycheiniog National Park

Highlight • Lake

11.8 km

Taf Fechan Forest

Forest

5

13.2 km

Blaen-y-Glyn Climb

Highlight (Segment) • Trail

Blaen-y-glyn climb gives beautiful views of the Brecon Beacons on a clear day! Big descent on the other side! If you're not in a rush, pull over into the car …

Tip by

19.3 km

Talybont Reservoir Nature Reserve

Nature Reserve

7

21.4 km

Talybont Reservoir

Highlight • Structure

The largest reservoir in the Brecons, Talybont reservoir was completed in 1939. It supplies water to Newport, further south.

Seventeen dwellings (including farms) were co-opted during its construction.

Despite its …

Tip by

8

24.6 km

Talybont Reservoir West Shore

Highlight • Viewpoint

If you don't fancy the long gravel trail on the East shore, this is your tarmac option.

Tip by

9

29.3 km

Blaen y Glyn Climb

Highlight • Trail

Stop at the Tea Rooms for a well earned break after you've tackled this tough climb.

Tip by

10

34.1 km

Pontsticill Lake Canoe Launch

Highlight • Rest Area

This jetty on Pintsticill’s west side is used as a launching point for kayakers and canoers.

Tip by

11

38.0 km

View of the Viaduct in Bannau Brycheiniog National Park

Highlight • Bridge

B

44.0 km

End point

Train Station

Way Types & Surfaces

Way Types

37.8 km

3.25 km

2.07 km

287 m

276 m

244 m

126 m

Surfaces

43.0 km

704 m

243 m

< 100 m

< 100 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 (440 m)

Lowest point (170 m)

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Weather

Powered by Foreca

Wednesday 2 September

20°C

14°C

31 %

Additional weather tips

Max wind speed: 26.0 km/h

to get more detailed weather forecasts along your route

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