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Routes
Road cycling routes
United Kingdom
Wales
South Wales
Carmarthenshire
Llandovery

Brecon, Merthyr Tydfil & Black Mountain loop from Llandovery — Bannau Brycheiniog (Brecon Beacons) National Park

Routes
Road cycling routes
United Kingdom
Wales
South Wales
Carmarthenshire
Llandovery

Brecon, Merthyr Tydfil & Black Mountain loop from Llandovery — Bannau Brycheiniog (Brecon Beacons) National Park

Hard

2

riders

Brecon, Merthyr Tydfil & Black Mountain loop from Llandovery — Bannau Brycheiniog (Brecon Beacons) National Park

07:21

142km

2,250m

Road cycling

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

Last updated: June 8, 2024

Tips

Your route passes through protected areas

Please check local regulations for:

Bannau Brycheiniog National Park

Waypoints

A

Start point

Train Station

Get Directions

1

52.6 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

2

61.7 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 to crank out some speed, or if it's the views you're after a nice viewpoint from the lay-by.

Tip by

3

87.0 km

Glynneath Hill Climb

Highlight (Segment) • Climb

This climb appears minor in the grand scheme of things, but underestimate it at your peril.

Once you’ve negotiated the junctions in Glynneath the road bends right then rears up to disappear into the cover of trees where, with the last house behind you the reasonably busy road, lined with thick foliage either side, settles into its solid 6% gradient.

Heading in a direct straight line there’s no let up in the degree of the slope, nor in the amount of trees that obscure the view you are working so hard to enjoy. At roughly half distance there’s a left hand kink in the road and you enter the next long straight that will take you to the summit.

Ahead almost the entirety of the remainder of the climb is in view which gives you an idea of the work needed but could also be a hefty psychological blow.

Tip by

4

110 km

Brynaman Bike Path

Highlight (Segment) • Trail

Really well surfaced bike path that avoids the main road. Totally quiet and empty, I love infrastructure like this!

Tip by

5

117 km

Black Mountain Climb from Pont Aber

Highlight (Segment) • Climb

Although not the classic side of the Black Mountain, this is still a fantastic road to climb that crosses the spine of the mountain and immerses you in some of the best scenery Wales has to offer.

It’s a kilometre into the slope before you escape Brynamman and enter the open land but from then on it is pure bliss. After two kilometres the road bends left as it rises above the valley below on your right. Meandering across the featureless landscape, exposed to whatever mother nature has in store the majestic strip of tarmac gradually makes its way towards the summit.

With no markers on the horizon, no sharp bends or features to focus on the ascent is a test for the mind and body. Grind out whatever gear you can on the consistent 6-7% slope all the way to the exposed plateau then get ready for the exhilarating descent.

Tip by

B

142 km

End point

Train Station

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Way Types & Surfaces

Way Types

83.6 km

43.6 km

12.6 km

2.14 km

406 m

Surfaces

122 km

20.5 km

233 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 (490 m)

Lowest point (60 m)

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Weather

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Thursday 16 July

26°C

12°C

0 %

Additional weather tips

Max wind speed: 17.0 km/h

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