Brynaman Bike Path – Pentre Bethlehem loop from Ystradgynlais

Brynaman Bike Path – Pentre Bethlehem loop from Ystradgynlais

Hard

riders

Brynaman Bike Path – Pentre Bethlehem loop from Ystradgynlais

04:59

100km

1,250m

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: September 10, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Bannau Brycheiniog National Park

Waypoints

Start point

Bus stop

Get Directions

7.41 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!

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10.7 km

Black Mountain Climb from Brynaman

Highlight (Segment) • Viewpoint

The Black Mountain Category 3 Climb from Brynaman is a 5.5km climb with a total ascent of 312m, topping out at 495m. The average gradient is 5.8% with the steepest …

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16.2 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 …

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30.0 km

View of the River Sawdde at Llangadog Common

Highlight • River

Spend a few moments on the bridge over the River Sawdde river to take in the view. A great bird watching spot, if you are patient or lucky enough you may see Sandpipers, Dipper or Kingfisher here.

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33.6 km

Pentre Bethlehem

Highlight • Settlement

Small hamlet on the fringes of the Brecon Beacons. Perfect for a Christmas themed trip. Nearest places with pubs/shops are Llandelio and Llangadog

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56.6 km

Allt Y Rhos

Forest

59.7 km

Fountain at the National Botanic Garden of Wales

Highlight • Structure

Anyone who cycles to the Garden can, on handing in their helmets for safe keeping, get into the Garden for half price (based on the adult ticket price).

The Carmarthen-Llanelli …

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78.9 km

Coaltown Coffee Roasters

Highlight • Cafe

The coffee is hand roasted daily in small batches, watch the work in progress from the roastery espresso bar. On-site bike parking. Cake and coffee here is sure to super charge your ride!

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100 km

End point

Bus stop

Way Types & Surfaces

Way Types